This document summarizes research on modeling wildfires and turbulent premixed combustion. It discusses how turbulence affects wildfire propagation through turbulent transport of hot air, making the fire front position random. It presents a level set method for modeling deterministic and random fire fronts, accounting for turbulence. It also discusses using a Lagrangian approach to model turbulent premixed combustion, describing how the burned mass fraction evolves due to particle motion, flame front velocity, and curvature.
Numerical Analysis of Turbulent Diffusion Combustion in Porous Mediadrboon
Turbulent methane-air combustion in porous burner is numerically investigated. Several computed field variables considered include temperature, stream function, and species mass fractions. The one-step reaction considered consists of 4 species. The analysis was done through a comparison with the gas-phase combustion. Porous combustion is found to level down the peak temperature while giving more uniform distribution throughout the domain. The porous combustion as in a burner is proved wider flame stability limits and can hold an extended range of firing capabilities due to an energy recirculation.
This document contains physics formulae related to mechanics, thermodynamics, electromagnetism, optics, modern physics and more. Some key formulae include:
Density = mass / volume, Force = rate of change of momentum, Kinetic energy = (1/2)mv^2, Ohm's law: V=IR, Index of refraction n=c/v, Half life of radioactive element t1/2=ln(2)/λ, Bohr's model: L=nh/2π.
Instantaneous Gelation in Smoluchwski's Coagulation Equation Revisited, Confe...Colm Connaughton
Invited talk given at "Boltzmann equation:
mathematics, modeling and simulations
In memory of Carlo Cercignani", Institut Henri Poincare, Paris, February 11, 2011.
Nonequilibrium Statistical Mechanics of Cluster-cluster Aggregation Warwick ...Colm Connaughton
This document summarizes a talk on nonequilibrium statistical mechanics of cluster-cluster aggregation. The talk focused on theoretical models of particle clustering, including simple models where particles perform random walks and merge upon contact, and more sophisticated models that track the distribution of cluster sizes over time using the Smoluchowski equation. It discussed self-similar solutions and stationary solutions of the Smoluchowski equation. It also described the gelation transition that can occur when clusters absorb smaller clusters rapidly, violating the assumption of mass conservation and leading to clusters of infinite size.
The document summarizes a lecture on the Ornstein-Uhlenbeck process. It describes how Ornstein and Uhlenbeck introduced this process in the 1930s as a more accurate model of Brownian motion than previous models. The process is defined as the unique solution to the stochastic differential equation dY(t) = -KY(t)dt + dX(t), where X(t) is a driving Lévy process and K is a matrix. Key properties are that Y(t) has càdlàg paths and is a Markov process. The process generalizes previous models where X(t) was Brownian motion.
Cluster-cluster aggregation with (complete) collisional fragmentationColm Connaughton
This document summarizes a presentation on cluster-cluster aggregation models with collisional fragmentation. It discusses mean-field theories of aggregation with a source of monomers and collision-induced fragmentation. Stationary solutions to the Smoluchowski equation are presented for both local and nonlocal aggregation kernels. While stationary nonlocal solutions exist, they are dynamically unstable. Simplified models with complete fragmentation and a source/sink of monomers produce exact solutions analogous to previous work. Nonlocality and the instability of stationary states require further study.
Talk given at the workshop "Multiphase turbulent flows in the atmosphere and ocean", National Centre for Atmospheric REsearch, Boulder CO, August 15 2012
Lesson 26: The Fundamental Theorem of Calculus (Section 021 slides)Matthew Leingang
The document outlines a calculus class lecture on the fundamental theorem of calculus, including recalling the second fundamental theorem, stating the first fundamental theorem, and providing examples of differentiating functions defined by integrals. It gives announcements for upcoming class sections and exam dates, lists the objectives of the current section, and provides an outline of topics to be covered including area as a function, statements and proofs of the theorems, and applications to differentiation.
Numerical Analysis of Turbulent Diffusion Combustion in Porous Mediadrboon
Turbulent methane-air combustion in porous burner is numerically investigated. Several computed field variables considered include temperature, stream function, and species mass fractions. The one-step reaction considered consists of 4 species. The analysis was done through a comparison with the gas-phase combustion. Porous combustion is found to level down the peak temperature while giving more uniform distribution throughout the domain. The porous combustion as in a burner is proved wider flame stability limits and can hold an extended range of firing capabilities due to an energy recirculation.
This document contains physics formulae related to mechanics, thermodynamics, electromagnetism, optics, modern physics and more. Some key formulae include:
Density = mass / volume, Force = rate of change of momentum, Kinetic energy = (1/2)mv^2, Ohm's law: V=IR, Index of refraction n=c/v, Half life of radioactive element t1/2=ln(2)/λ, Bohr's model: L=nh/2π.
Instantaneous Gelation in Smoluchwski's Coagulation Equation Revisited, Confe...Colm Connaughton
Invited talk given at "Boltzmann equation:
mathematics, modeling and simulations
In memory of Carlo Cercignani", Institut Henri Poincare, Paris, February 11, 2011.
Nonequilibrium Statistical Mechanics of Cluster-cluster Aggregation Warwick ...Colm Connaughton
This document summarizes a talk on nonequilibrium statistical mechanics of cluster-cluster aggregation. The talk focused on theoretical models of particle clustering, including simple models where particles perform random walks and merge upon contact, and more sophisticated models that track the distribution of cluster sizes over time using the Smoluchowski equation. It discussed self-similar solutions and stationary solutions of the Smoluchowski equation. It also described the gelation transition that can occur when clusters absorb smaller clusters rapidly, violating the assumption of mass conservation and leading to clusters of infinite size.
The document summarizes a lecture on the Ornstein-Uhlenbeck process. It describes how Ornstein and Uhlenbeck introduced this process in the 1930s as a more accurate model of Brownian motion than previous models. The process is defined as the unique solution to the stochastic differential equation dY(t) = -KY(t)dt + dX(t), where X(t) is a driving Lévy process and K is a matrix. Key properties are that Y(t) has càdlàg paths and is a Markov process. The process generalizes previous models where X(t) was Brownian motion.
Cluster-cluster aggregation with (complete) collisional fragmentationColm Connaughton
This document summarizes a presentation on cluster-cluster aggregation models with collisional fragmentation. It discusses mean-field theories of aggregation with a source of monomers and collision-induced fragmentation. Stationary solutions to the Smoluchowski equation are presented for both local and nonlocal aggregation kernels. While stationary nonlocal solutions exist, they are dynamically unstable. Simplified models with complete fragmentation and a source/sink of monomers produce exact solutions analogous to previous work. Nonlocality and the instability of stationary states require further study.
Talk given at the workshop "Multiphase turbulent flows in the atmosphere and ocean", National Centre for Atmospheric REsearch, Boulder CO, August 15 2012
Lesson 26: The Fundamental Theorem of Calculus (Section 021 slides)Matthew Leingang
The document outlines a calculus class lecture on the fundamental theorem of calculus, including recalling the second fundamental theorem, stating the first fundamental theorem, and providing examples of differentiating functions defined by integrals. It gives announcements for upcoming class sections and exam dates, lists the objectives of the current section, and provides an outline of topics to be covered including area as a function, statements and proofs of the theorems, and applications to differentiation.
Nonlinear transport phenomena: models, method of solving and unusual features...SSA KPI
AACIMP 2010 Summer School lecture by Vsevolod Vladimirov. "Applied Mathematics" stream. "Selected Models of Transport Processes. Methods of Solving and Properties of Solutions" course. Part 2.
More info at http://summerschool.ssa.org.ua
Welcome to International Journal of Engineering Research and Development (IJERD)IJERD Editor
The document presents a theorem that generalizes previous results on the L1-convergence of modified trigonometric cosine sums. Specifically, it obtains a necessary and sufficient condition for the L1-convergence of a modified cosine sum where the coefficients belong to the Fp class. This condition is that an log n = o(1) as n approaches infinity. The theorem also deduces Fomin's previous result as a corollary.
Lesson 26: The Fundamental Theorem of Calculus (Section 041 slides)Matthew Leingang
g(x) represents the area under the curve of f(t) from 0 to x. As x increases from 0 to 10, g(x) will increase, representing the accumulating area under f(t) over the interval [0,x].
Fractal dimensions of 2d quantum gravityTimothy Budd
After introducing 2d quantum gravity, both in its discretized form in
terms of random triangulations and its continuum description as
Quantum Liouville theory, I will give a (non-exhaustive) review of the
current understanding of its fractal dimensions. In particular, I will
discuss recent analytic and numerical results relating to the
Hausdorff dimension and spectral dimension of 2d gravity coupled to
conformal matter fields.
The document summarizes a talk given by Mark Girolami on manifold Monte Carlo methods. It discusses using stochastic diffusions and geometric concepts to improve MCMC methods. Specifically, it proposes using discretized Langevin and Hamiltonian diffusions across a Riemann manifold as an adaptive proposal mechanism. This is founded on deterministic geodesic flows on the manifold. Examples presented include a warped bivariate Gaussian, Gaussian mixture model, and log-Gaussian Cox process.
Here are the key points about g given f:
- g represents the area under the curve of f over successive intervals of the x-axis
- As x increases over an interval, g will increase if f is positive over that interval and decrease if f is negative
- The concavity (convexity or concavity) of g will match the concavity of f over each interval
In summary, the area function g, as defined by the integral of f, will have properties that correspond directly to the sign and concavity of f over successive intervals of integration.
A. Morozov - Black Hole Motion in Entropic Reformulation of General RelativitySEENET-MTP
1. The document considers describing the motion of black holes using an entropic action equal to the sum of the areas of black hole horizons.
2. It is shown that this description is consistent with Newton's laws of motion and gravity, up to unknown numerical coefficients.
3. Evaluating these dimensionless coefficients precisely is important for advancing the entropic reformulation of general relativity beyond pure dimensional arguments.
1. Important equations in physics for IGCSE courses include equations for constant motion, acceleration, work, energy, power, density, pressure, waves, light, electricity and more.
2. Key concepts covered include kinematics equations, Newton's laws of motion, energy equations, gas laws, wave properties, optics, electromagnetism, atomic structure and radiation.
3. Over 20 core physics topics are summarized with their most important equations for quick reference in studies for IGCSE physics exams.
Mann. .black.holes.of.negative.mass.(1997)Ispas Elena
1) The document demonstrates that regions of negative energy density can undergo gravitational collapse into black holes with negative mass.
2) These black holes would have event horizons that are negatively curved compact surfaces, implying a non-trivial topology for the spacetime.
3) As an example, the collapse of a cloud of freely falling negative energy dust is modeled, showing it can form a black hole with the exterior geometry of a negative mass Schwarzschild-de Sitter metric, provided the initial negative energy density is not too large.
Resolving the black-hole information paradoxFausto Intilla
This document proposes treating time equally with space to resolve the black hole information paradox in quantum mechanics. It suggests describing the universe with a "block time" or "block universe" model where the past, present, and future coexist equally. This allows information to be conserved by describing correlations between outgoing Hawking radiation particles emitted from an evaporating black hole in the future and the ingoing particles that formed the black hole in the past. The document reviews representing quantum states with "many-fingered" wave functions that depend on spacetime coordinates instead of time alone. This provides a framework to describe quantum field theories in a way that treats time as an equal partner to space and avoids issues like apparent information loss during black hole evaporation
PAC-Bayesian Bound for Gaussian Process Regression and Multiple Kernel Additi...Taiji Suzuki
The document discusses the aggregated estimator technique for sparse estimation. The aggregated estimator averages over multiple models, each weighted by their risk. This allows fast learning rates without strong assumptions on the design matrix. The technique is applied to sparse regression problems using an exponential screening estimator. The risk bound of this estimator is compared to other estimators like BIC and Lasso, showing it provides a tighter bound.
This document provides important equations in physics for the IGCSE course. It covers equations for general physics, thermal physics, waves, light and sound, and electricity and magnetism. Some key equations included are:
1) Velocity = Distance/Time for constant motion.
2) Acceleration = Change in Velocity/Time.
3) Hooke's Law: Force = Spring Constant x Extension.
4) Boyle's Law: Pressure x Volume = Constant for gases.
5) Wave Equation: Velocity = Wavelength x Frequency.
6) Refractive Index = Speed of Light in Medium / Speed of Light in Vacuum.
7) Ohm's Law: Voltage = Current x Resistance.
This document summarizes a lecture on modified gravity theories. It discusses scalar-tensor theories as a framework for modifying general relativity, and mentions specific theories like DGP and f(R) gravity. It outlines two screening mechanisms - chameleon screening, where the scalar field acquires an environment-dependent mass, and Vainshtein screening, where derivative interactions lead to a scale-dependent suppression of the scalar force. Tests of modified gravity theories are discussed at both large cosmological and small solar system scales.
The document discusses research on the growth of extreme fluctuations in stochastic differential equations (SDEs) with Markovian switching. It introduces the topic and outlines the following:
1) It considers the rate of growth of partial maxima of solutions to SDEs with mean-reverting drift and bounded or unbounded noise intensity.
2) The analysis uses regularly varying functions, which have useful properties for this type of analysis.
3) It will present main results and proofs for the case of bounded noise intensity, and discuss extensions and future work.
The document discusses multiple kernel learning approaches for classification. It introduces single kernel learning and describes the challenge of multiple kernel learning when using multiple reproducing kernel Hilbert spaces. The document then summarizes several regularization-based multiple kernel learning approaches, including L1-MKL, L2-MKL, Elasticnet-MKL, and proposes a new Mixed-Norm-Elasticnet-MKL approach.
Gianni Pagnini (Borsista Ras)
@CRS4 Seminar series
La comune esperienza dell’odore della pizza che cuoce nel forno, delle volute del fumo di sigaretta, così come della dispersione degli inquinanti o del calore che sale dall’asfalto ci mostra il fenomeno della turbolenza: l’ultimo problema irrisolto della meccanica classica, un problema fisico descritto da un’equazione di cui ancora non è stata provata l’esistenza della soluzione. Turbolenti sono i vortici che osserviamo in tutti questi processi caratterizzati da una grande efficacia di dispersione ed un moto irregolare ed impredicibile.
Lo studio della turbolenza parte dalle intuizioni fenomenologiche di Leonardo da Vinci e dalla derivazione, più di centocinquanta anni fa, delle equazioni che ne descrivono il moto: le equazioni di Navier-Stokes. L’aver scritto queste equazioni però non toglie al flusso turbolento il suo fascino, il suo mistero o il suo potere di sorprenderci. Tra i tanti che si sono confrontati con questo affascinate fenomeno troviamo Heisenberg, Landau e Kolmogorov, ma resta ancora valida la provocazione di Sir Horace Lamb: “Ormai sono diventato vecchio e quando morirò e sarò in paradiso ci saranno due cose sulle quali spero in un chiarimento. Una è l’elettrodinamica quantistica e l’altra la turbolenza. Sulla prima sono piuttosto ottimista.”
Bruno D'Aguanno
@ Seminar Series 2011 Novembter 9 2011
Il ruolo e la rilevanza della Tecnologia Solare a Concentrazione (CSP) nel panorama delle fonti energetiche rinnovabili è in crescita e il loro campo di applicabilità si fa via via più chiaro.
Queste condizioni sono il risultato degli sforzi congiunti di istituzioni pubbliche e organizzazioni non governative, centri di ricerca e imprese. Per restare al panorama italiano, un impianto CPS da 50 MW, dotato di specchi parabolici lineari, e oli minerali come fluido vettore, e con sali fusi per l'immagazzinamento del calore è in procinto di essere realizzato in Sardegna. Sempre nell'isola è in costruzione un dimostratore con fluido vettore a gas e un sistema innovativo per l'accumulo del calore. Altre installazioni a specchi parabolici lineari e sali fusi, finanziate dall'ENEA, sono in costruzione in Sicilia.
La crescita del CSP sta determinando il passaggio da un mercato fortemente sostenuto dalle istituzioni a un mercato competitivo e economicamente autosufficiente. Nel corso del seminario, tramite una rappresentazione schematica dei diversi sistemi, saranno illustrate le varie declinazioni della tecnologia CSP per la produzione di energia elettrica, di calore per usi industriali, di carburanti solari e di de-salinizzazione dell'acqua.
Si inquadrano lo stato dell'arte del settore ed il progressivo processo di informatizzazione. Si descrivono i più usati standard internazionali, le modalità di utilizzo e il loro ruolo fondamentale per l'interoperabilità e integrazione di sistemi informativi.
Nonlinear transport phenomena: models, method of solving and unusual features...SSA KPI
AACIMP 2010 Summer School lecture by Vsevolod Vladimirov. "Applied Mathematics" stream. "Selected Models of Transport Processes. Methods of Solving and Properties of Solutions" course. Part 2.
More info at http://summerschool.ssa.org.ua
Welcome to International Journal of Engineering Research and Development (IJERD)IJERD Editor
The document presents a theorem that generalizes previous results on the L1-convergence of modified trigonometric cosine sums. Specifically, it obtains a necessary and sufficient condition for the L1-convergence of a modified cosine sum where the coefficients belong to the Fp class. This condition is that an log n = o(1) as n approaches infinity. The theorem also deduces Fomin's previous result as a corollary.
Lesson 26: The Fundamental Theorem of Calculus (Section 041 slides)Matthew Leingang
g(x) represents the area under the curve of f(t) from 0 to x. As x increases from 0 to 10, g(x) will increase, representing the accumulating area under f(t) over the interval [0,x].
Fractal dimensions of 2d quantum gravityTimothy Budd
After introducing 2d quantum gravity, both in its discretized form in
terms of random triangulations and its continuum description as
Quantum Liouville theory, I will give a (non-exhaustive) review of the
current understanding of its fractal dimensions. In particular, I will
discuss recent analytic and numerical results relating to the
Hausdorff dimension and spectral dimension of 2d gravity coupled to
conformal matter fields.
The document summarizes a talk given by Mark Girolami on manifold Monte Carlo methods. It discusses using stochastic diffusions and geometric concepts to improve MCMC methods. Specifically, it proposes using discretized Langevin and Hamiltonian diffusions across a Riemann manifold as an adaptive proposal mechanism. This is founded on deterministic geodesic flows on the manifold. Examples presented include a warped bivariate Gaussian, Gaussian mixture model, and log-Gaussian Cox process.
Here are the key points about g given f:
- g represents the area under the curve of f over successive intervals of the x-axis
- As x increases over an interval, g will increase if f is positive over that interval and decrease if f is negative
- The concavity (convexity or concavity) of g will match the concavity of f over each interval
In summary, the area function g, as defined by the integral of f, will have properties that correspond directly to the sign and concavity of f over successive intervals of integration.
A. Morozov - Black Hole Motion in Entropic Reformulation of General RelativitySEENET-MTP
1. The document considers describing the motion of black holes using an entropic action equal to the sum of the areas of black hole horizons.
2. It is shown that this description is consistent with Newton's laws of motion and gravity, up to unknown numerical coefficients.
3. Evaluating these dimensionless coefficients precisely is important for advancing the entropic reformulation of general relativity beyond pure dimensional arguments.
1. Important equations in physics for IGCSE courses include equations for constant motion, acceleration, work, energy, power, density, pressure, waves, light, electricity and more.
2. Key concepts covered include kinematics equations, Newton's laws of motion, energy equations, gas laws, wave properties, optics, electromagnetism, atomic structure and radiation.
3. Over 20 core physics topics are summarized with their most important equations for quick reference in studies for IGCSE physics exams.
Mann. .black.holes.of.negative.mass.(1997)Ispas Elena
1) The document demonstrates that regions of negative energy density can undergo gravitational collapse into black holes with negative mass.
2) These black holes would have event horizons that are negatively curved compact surfaces, implying a non-trivial topology for the spacetime.
3) As an example, the collapse of a cloud of freely falling negative energy dust is modeled, showing it can form a black hole with the exterior geometry of a negative mass Schwarzschild-de Sitter metric, provided the initial negative energy density is not too large.
Resolving the black-hole information paradoxFausto Intilla
This document proposes treating time equally with space to resolve the black hole information paradox in quantum mechanics. It suggests describing the universe with a "block time" or "block universe" model where the past, present, and future coexist equally. This allows information to be conserved by describing correlations between outgoing Hawking radiation particles emitted from an evaporating black hole in the future and the ingoing particles that formed the black hole in the past. The document reviews representing quantum states with "many-fingered" wave functions that depend on spacetime coordinates instead of time alone. This provides a framework to describe quantum field theories in a way that treats time as an equal partner to space and avoids issues like apparent information loss during black hole evaporation
PAC-Bayesian Bound for Gaussian Process Regression and Multiple Kernel Additi...Taiji Suzuki
The document discusses the aggregated estimator technique for sparse estimation. The aggregated estimator averages over multiple models, each weighted by their risk. This allows fast learning rates without strong assumptions on the design matrix. The technique is applied to sparse regression problems using an exponential screening estimator. The risk bound of this estimator is compared to other estimators like BIC and Lasso, showing it provides a tighter bound.
This document provides important equations in physics for the IGCSE course. It covers equations for general physics, thermal physics, waves, light and sound, and electricity and magnetism. Some key equations included are:
1) Velocity = Distance/Time for constant motion.
2) Acceleration = Change in Velocity/Time.
3) Hooke's Law: Force = Spring Constant x Extension.
4) Boyle's Law: Pressure x Volume = Constant for gases.
5) Wave Equation: Velocity = Wavelength x Frequency.
6) Refractive Index = Speed of Light in Medium / Speed of Light in Vacuum.
7) Ohm's Law: Voltage = Current x Resistance.
This document summarizes a lecture on modified gravity theories. It discusses scalar-tensor theories as a framework for modifying general relativity, and mentions specific theories like DGP and f(R) gravity. It outlines two screening mechanisms - chameleon screening, where the scalar field acquires an environment-dependent mass, and Vainshtein screening, where derivative interactions lead to a scale-dependent suppression of the scalar force. Tests of modified gravity theories are discussed at both large cosmological and small solar system scales.
The document discusses research on the growth of extreme fluctuations in stochastic differential equations (SDEs) with Markovian switching. It introduces the topic and outlines the following:
1) It considers the rate of growth of partial maxima of solutions to SDEs with mean-reverting drift and bounded or unbounded noise intensity.
2) The analysis uses regularly varying functions, which have useful properties for this type of analysis.
3) It will present main results and proofs for the case of bounded noise intensity, and discuss extensions and future work.
The document discusses multiple kernel learning approaches for classification. It introduces single kernel learning and describes the challenge of multiple kernel learning when using multiple reproducing kernel Hilbert spaces. The document then summarizes several regularization-based multiple kernel learning approaches, including L1-MKL, L2-MKL, Elasticnet-MKL, and proposes a new Mixed-Norm-Elasticnet-MKL approach.
Gianni Pagnini (Borsista Ras)
@CRS4 Seminar series
La comune esperienza dell’odore della pizza che cuoce nel forno, delle volute del fumo di sigaretta, così come della dispersione degli inquinanti o del calore che sale dall’asfalto ci mostra il fenomeno della turbolenza: l’ultimo problema irrisolto della meccanica classica, un problema fisico descritto da un’equazione di cui ancora non è stata provata l’esistenza della soluzione. Turbolenti sono i vortici che osserviamo in tutti questi processi caratterizzati da una grande efficacia di dispersione ed un moto irregolare ed impredicibile.
Lo studio della turbolenza parte dalle intuizioni fenomenologiche di Leonardo da Vinci e dalla derivazione, più di centocinquanta anni fa, delle equazioni che ne descrivono il moto: le equazioni di Navier-Stokes. L’aver scritto queste equazioni però non toglie al flusso turbolento il suo fascino, il suo mistero o il suo potere di sorprenderci. Tra i tanti che si sono confrontati con questo affascinate fenomeno troviamo Heisenberg, Landau e Kolmogorov, ma resta ancora valida la provocazione di Sir Horace Lamb: “Ormai sono diventato vecchio e quando morirò e sarò in paradiso ci saranno due cose sulle quali spero in un chiarimento. Una è l’elettrodinamica quantistica e l’altra la turbolenza. Sulla prima sono piuttosto ottimista.”
Bruno D'Aguanno
@ Seminar Series 2011 Novembter 9 2011
Il ruolo e la rilevanza della Tecnologia Solare a Concentrazione (CSP) nel panorama delle fonti energetiche rinnovabili è in crescita e il loro campo di applicabilità si fa via via più chiaro.
Queste condizioni sono il risultato degli sforzi congiunti di istituzioni pubbliche e organizzazioni non governative, centri di ricerca e imprese. Per restare al panorama italiano, un impianto CPS da 50 MW, dotato di specchi parabolici lineari, e oli minerali come fluido vettore, e con sali fusi per l'immagazzinamento del calore è in procinto di essere realizzato in Sardegna. Sempre nell'isola è in costruzione un dimostratore con fluido vettore a gas e un sistema innovativo per l'accumulo del calore. Altre installazioni a specchi parabolici lineari e sali fusi, finanziate dall'ENEA, sono in costruzione in Sicilia.
La crescita del CSP sta determinando il passaggio da un mercato fortemente sostenuto dalle istituzioni a un mercato competitivo e economicamente autosufficiente. Nel corso del seminario, tramite una rappresentazione schematica dei diversi sistemi, saranno illustrate le varie declinazioni della tecnologia CSP per la produzione di energia elettrica, di calore per usi industriali, di carburanti solari e di de-salinizzazione dell'acqua.
Si inquadrano lo stato dell'arte del settore ed il progressivo processo di informatizzazione. Si descrivono i più usati standard internazionali, le modalità di utilizzo e il loro ruolo fondamentale per l'interoperabilità e integrazione di sistemi informativi.
The document discusses technologies for cultural heritage applications, focusing on accurate digitization of sites and artifacts. It describes how modern sensors produce large amounts of data that are difficult to process, store, distribute and visualize at scale. Research is needed into scalable enabling technologies for acquisition, geometric processing, visualization and more. The goal is to efficiently acquire and process 3D models' geometry and color from sites and objects, and to effectively archive, distribute and visualize the resulting models.
The document discusses security issues with VoIP systems. It notes that traditional phone systems could be tapped by connecting devices to phone lines, and that eavesdropping was also possible from PBX systems and trunks. It then discusses how early VoIP systems were attacked through brute force password attempts and falsified credentials. Examples are given of fraud cases where VoIP providers had their networks exploited. The document emphasizes that many routers used default passwords, making infiltration easy.
The document discusses using a remote grid computing environment to enable in-field optimization of seismic data acquisition through real-time subsurface imaging. It aims to provide a web-based user interface for on-the-fly processing of seismic field data and fast optimization of data analysis and imaging parameters through parallel processing. The proposed system would allow wireless transmission of data to a grid for preprocessing, visualization, and advanced imaging techniques to help optimize acquisition parameters in real-time.
On Decreasing of Dimensions of Field-Effect Transistors with Several Sourcesmsejjournal
We analyzed mass and heat transport during manufacturing field-effect heterotransistors with several
sources to decrease their dimensions. Framework the result of manufacturing it is necessary to manufacture
heterostructure with specific configuration. After that it is necessary to dope required areas of the heterostructure by diffusion or ion implantation to manufacture the required type of conductivity (p or n). After
the doping it is necessary to do optimize annealing. We introduce an analytical approach to prognosis mass
and heat transport during technological processes. Using the approach leads to take into account nonlinearity of mass and heat transport and variation in space and time (at one time) physical parameters of these
processes
ON DECREASING OF DIMENSIONS OF FIELDEFFECT TRANSISTORS WITH SEVERAL SOURCESmsejjournal
We analyzed mass and heat transport during manufacturing field-effect heterotransistors with several
sources to decrease their dimensions. Framework the result of manufacturing it is necessary to manufacture
heterostructure with specific configuration. After that it is necessary to dope required areas of the heterostructure by diffusion or ion implantation to manufacture the required type of conductivity (p or n). After
the doping it is necessary to do optimize annealing. We introduce an analytical approach to prognosis mass
and heat transport during technological processes. Using the approach leads to take into account nonlinearity of mass and heat transport and variation in space and time (at one time) physical parameters of these
processes
ON DECREASING OF DIMENSIONS OF FIELDEFFECT TRANSISTORS WITH SEVERAL SOURCESmsejjournal
This document analyzes mass and heat transport during manufacturing field-effect heterotransistors with several sources to decrease their dimensions. An analytical approach is introduced to model mass and heat transport during technological processes like doping and annealing. This approach accounts for nonlinearities in mass and heat transport and variations in physical parameters over space and time. The goal is to optimize doping distributions to increase compactness and homogeneity of transistor elements. Equations are developed to model concentration distributions of dopants and point defects over space and time during diffusion and ion implantation doping processes and subsequent annealing.
OPTIMIZATION OF MANUFACTURE OF FIELDEFFECT HETEROTRANSISTORS WITHOUT P-NJUNCT...ijrap
It has been recently shown, that manufacturing p-n-junctions, field-effect and bipolar transistors, thyristors
in a multilayer structure by diffusion or ion implantation under condition of optimization of dopant and/or
radiation defects leads to increasing of sharpness of p-n-junctions (both single p-n-junctions and p-njunctions,
which include into their system). In this situation one can also obtain increasing of homogeneity
of dopant in doped area. In this paper we consider manufacturing a field-effect heterotransistor without pn-
junction. Optimization of technological process with using inhomogeneity of heterostructure give us
possibility to manufacture the transistors as more compact.
ON OPTIMIZATION OF MANUFACTURING OF MULTICHANNEL HETEROTRANSISTORS TO INCREAS...ijrap
In this paper we consider an approach to increase integration rate of field-effect heterotransistors. Framework
the approach we consider a heterostructure with specific configuration. After manufacturing the
heterostructure we consider doping of required areas of the heterostructure by diffusion or ion implantation.
The doping finished by optimized annealing of dopant and/or radiation defects. Framework this paper
we consider a possibility to manufacture with several channels. Manufacturing multi-channel transistors
gives us a possibility the to increase integration rate of transistors and to increase electrical current
through the transistor.
Controlling of Depth of Dopant Diffusion Layer in a Material by Time Modulati...IJCI JOURNAL
In this paper as a development of recently introduced analytical approach for estimation of temporal characteristics of mass and heat transport we present analysis of diffusion depth of dopant in a material with time varying diffusion coefficient. It has been shown, that changing of time dependence of diffusion coefficient gives a possibility to accelerate or decelerate diffusion process. In this situation it is an actual question is control of diffusion depth during manufacturing p-n-junctions. The controlling gives a possibility to obtain required depth of the junctions, but not larger or smaller.
This document discusses likelihood methods for continuous-time models in finance. It describes approximating the transition density function pX of a continuous-time process through a series of transformations to get closer to a normal distribution. This allows representing pX as a series expansion involving Hermite polynomials. Computing the expansion coefficients allows obtaining an explicit closed-form approximation to pX. Maximizing the approximate likelihood results in an estimator that converges to the true MLE as the number of terms increases.
On Optimization of Manufacturing of Field-Effect Heterotransistors Frame-work...antjjournal
We consider an approach for increasing density of field-effect heterotransistors in a single-stage multi-path
operational amplifier. At the same time one can obtain decreasing of dimensions of the above transistors.
Dimensions of the elements could be decreased by manufacturing of these elements in a heterostructure
with specific structure. The manufacturing is doing by doping of required areas of the heterostructure by
diffusion or ion implantation with future optimization of annealing of dopant and/or radiation defects.
ON OPTIMIZATION OF MANUFACTURING OF FIELD EFFECT HETEROTRANSISTORS FRAMEWORK ...antjjournal
We consider an approach for increasing density of field-effect heterotransistors in a single-stage multi-path
operational amplifier. At the same time one can obtain decreasing of dimensions of the above transistors.
Dimensions of the elements could be decreased by manufacturing of these elements in a heterostructure
with specific structure. The manufacturing is doing by doping of required areas of the heterostructure by
diffusion or ion implantation with future optimization of annealing of dopant and/or radiation defects.
On Optimization of Manufacturing of Field-Effect Heterotransistors Frame-work...antjjournal
We consider an approach for increasing density of field-effect heterotransistors in a single-stage multi-path operational amplifier. At the same time one can obtain decreasing of dimensions of the above transistors.
Dimensions of the elements could be decreased by manufacturing of these elements in a heterostructure with specific structure. The manufacturing is doing by doping of required areas of the heterostructure by
diffusion or ion implantation with future optimization of annealing of dopant and/or radiation defects.
Here are the key points about g given f:
- g represents the area under the curve of f over successive intervals of the x-axis
- As x increases over an interval, g will increase if f is positive over that interval and decrease if f is negative
- The concavity (convexity or concavity) of g will match the concavity of f over each interval
In summary, the area function g, as defined by the integral of f, will have properties that correspond directly to the sign and concavity of f over successive intervals of integration.
Lesson 26: The Fundamental Theorem of Calculus (Section 021 slides)Mel Anthony Pepito
The document provides an overview of Section 5.4 on the Fundamental Theorem of Calculus from a Calculus I course at New York University. It outlines topics to be covered, including recalling the Second Fundamental Theorem, stating the First Fundamental Theorem, and differentiating functions defined by integrals. Examples are provided to illustrate using the theorems to find derivatives and integrals.
On estimating the integrated co volatility usingkkislas
This document proposes a method to estimate the integrated co-volatility of two asset prices using high-frequency data that contains both microstructure noise and jumps.
It considers two cases - when the jump processes of the two assets are independent, and when they are dependent. For the independent case, it proposes an estimator that is robust to jumps. For the dependent case, it proposes a threshold estimator that combines pre-averaging to remove noise with a threshold method to reduce the effect of jumps. It proves the estimators are consistent and establishes their central limit theorems. Simulation results are also presented to illustrate the performance of the proposed methods.
An Altering Distance Function in Fuzzy Metric Fixed Point Theoremsijtsrd
The aim of this paper is to improve conditions proposed in recently published fixed point results for complete and compact fuzzy metric spaces. For this purpose, the altering distance functions are used. Moreover, in some of the results presented the class of t-norms is extended by using the theory of countable extensions of t-norms. Dr C Vijender"An Altering Distance Function in Fuzzy Metric Fixed Point Theorems" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-1 | Issue-5 , August 2017, URL: http://www.ijtsrd.com/papers/ijtsrd2293.pdf http://www.ijtsrd.com/mathemetics/other/2293/an-altering-distance-function-in-fuzzy-metric-fixed-point-theorems/dr-c-vijender
Master Thesis on Rotating Cryostats and FFT, DRAFT VERSIONKaarle Kulvik
This thesis studied the vibrational and rotational aspects of the Cryo I Helsinki cryostat using Fourier analysis methods. Extensive Fourier analysis was performed to model the vibrations mathematically. The goal was to lower noise levels to improve cryostat operations. The second part of the work tested the homogeneity of a superconducting magnet. Significant preparation was required to build testing equipment for evaluating the magnet.
A common fixed point theorem in cone metric spacesAlexander Decker
This academic article summarizes a common fixed point theorem for continuous and asymptotically regular self-mappings on complete cone metric spaces. The theorem extends previous results to cone metric spaces, which generalize metric spaces by replacing real numbers with an ordered Banach space. It proves that under certain contractive conditions, the self-mapping has a unique fixed point. The proof constructs a Cauchy sequence that converges to the fixed point.
Lesson 26: The Fundamental Theorem of Calculus (Section 041 slides)Mel Anthony Pepito
The document discusses the fundamental theorem of calculus. It begins by outlining the topics to be covered, including a review of the second fundamental theorem of calculus, an explanation of the first fundamental theorem of calculus, and examples of differentiating functions defined by integrals. It then provides more details on these topics, such as defining the integral as a limit, stating the second fundamental theorem, using integrals to represent concepts like distance traveled and mass, and working through an example of finding the derivative of a function defined by an integral.
Application of stochastic lognormal diffusion model withAlexander Decker
This document describes a stochastic lognormal diffusion model that incorporates polynomial exogenous factors to model energy consumption in Ghana from 1999-2010. It presents:
1) A lognormal diffusion process model with drift and diffusion coefficients that depend on exogenous factors affecting consumption.
2) Maximum likelihood estimators for the drift and diffusion coefficients based on energy consumption data.
3) Hypothesis tests to evaluate the effect of exogenous factors on consumption patterns, showing Ghana's energy consumption has an upward trend over time.
ON APPROACH TO DECREASE DIMENSIONS OF FIELD-EFFECT TRANSISTORS FRAMEWORK ELEM...ijfcstjournal
In this paper we consider manufacturing of elements SRAM with increased density of field-effect transistors
consisting these elements. The approach based on manufacturing of the elements in heterostructure with
specific configuration. We consider doping of several required areas of the heterostructure by diffusion or
by ion implantation. After that dopant and radiation defects have been annealed framework optimized
scheme.
The document discusses finite speed approximations to the Navier-Stokes equations. It introduces relaxation approximations and a damped wave equation approximation as two methods to derive finite speed approximations. It then discusses a vector BGK approximation, which takes a kinetic approach using a system of hyperbolic equations that approximates the Boltzmann equation and can be shown to converge to the incompressible Navier-Stokes equations in the diffusive limit. The document provides details on the vector BGK model, including compatibility conditions, conservation laws, and proofs of consistency, stability, and existence of global solutions.
Similar to Sviluppi modellistici sulla propagazione degli incendi boschivi (20)
The document appears to be a list of numbers paired with "30° CRS4" repeated many times. It includes the phrases "Enjoy the reading!" and names Christian Solinas as the President of the Autonomous Region of Sardinia.
Tutti a Iscol@ 2017, presentazione della Linea B2: Laboratori Extracurriculari Didattici Tecnologici.
L'iniziativa è promossa da: Regione Autonoma della Sardegna (Assessorato della Pubblica Istruzione);
Agenzia Regionale Sardegna Ricerche;
CRS4.
Ulteriori informazioni: http://iscola-lineab2.crs4.it/
Sardegna Ricerche
CRS4
Presentazione del progetto "Iscol@ Linea B": laboratori didattici innovativi finalizzati all’apertura al territorio delle Istituzioni scolastiche. Regione Autonoma della Sardegna, Agenzia Sardegna Ricerche, CRS4
I progressi tecnologici raggiunti nel campo delle strategie di sequenziamento degli acidi nucleici ("Next Generation Sequencing", NGS) permettono oramai di ottenere con facilità le informazioni contenute all’interno dell’intero genoma umano. Ma solo una piccola percentuale (stimata a 1,6%) del genoma umano viene tradotto nelle proteine che fanno funzionare il corpo umano. Il sequenziamento esomico ("Whole exome sequencing") si concentra proprio sulle parti del genoma che codificano le proteine ("i geni") perché la ricerca di varianti in tali regioni permette di trovare le modificazioni funzionali delle proteine che sono associate a malattie. Dovendo sequenziare solo circa 1/60 dell’intero genoma si ha la possibilità di avere una migliore accuratezza e di ridurre tempi e costi del sequenziamento. Per questo motivo il sequenziamento esomico è diventato uno dei metodi di diagnosi genetica più utilizzato dai medici (sopratutto nel caso in cui non ci siano ipotesi sui geni coinvolti nella malattia).
1) The document presents a method for spatial velocity analysis of near-surface seismic data using a global simultaneous multi-parameter optimization approach.
2) It compares different implementations of spatial velocity analysis, including using common reflection surface (CRS) operators with 1x3, 3x1, and 1x2 parameter searches, and finds that using a 1x2 parameter diffraction operator for the global search followed by local 1x3 reflection optimization provides accurate results with less computational cost than other methods.
3) The method is demonstrated on an example of ultra-shallow seismic data from a field survey, and velocity models derived from the analysis are used for stacking, tomography, and migration, improving the quality and interpretability of
Valentina Spanu: esempi di applicazioni di GIS Partecipativo; gestione delle riserve idriche, energia solare, ristrutturazione di un edificio scolastico in Marocco; riduzione del rischio di disastro naturale in Georgia.
Alfonso Damiano (Università di Cagliari) Tecnologie ICT per le reti intelligenti di energia - evoluzione dei sistemi di distribuzione elettrica, anche con riferimento alla situazione della Regione; smart grid, micro grid e virtual power plant; stato della ricerca nel settore; potenzialità offerte dall'integrazione tra sistema elettrico e sistema della mobilità; reti intelligenti in una visione di smart city.
Workshop organizzato dal CRS4 nell'ambito della Collana di seminari per la valorizzazione e trasferimento dei risultati della Ricerca.
Viene illustrato il problema della raccolta efficiente e scalabile dei dati da potenziali sorgenti di Big Data. Inoltre verrà fatta una carrellata su alcuni tra i più popolari software utilizzabili in una pipeline di data streaming in realtime e/o batch analysis.
La caratterizzazione chimico-analitica del profilo metabolico di una serie di pazienti di sindrome fiobromialgica e di controlli, è stata integrata con un approccio modellistico per validare l'ipotesi che i lipidi sovra-rappresentati nei pazienti fossero in grado di interagire, attivandolo, con il recettore deputato alla modulazione dei meccanismi biologici del dolore, il PAFR, in maniera simile a quanto fatto dal ligando endogeno PAF. Al momento attuale non esistono test di laboratorio o marcatori biologici che possano confermare lo stato di malattia, per cui questo approccio rappresenta un primo passo verso la definizione di biomarcatori per la diagnosi e per il monitoraggio.
Innovazione e infrastrutture cloud per lo sviluppo di applicativi web e mobile orientato alla geomatica in contesto Smart City. Roberto Demontis (CRS4)
Questo corso riguarda gli aspetti teorici della propagazione delle onde sismiche e i principali legami tra caratteristiche di propagazione (velocità, attenuazione) e caratteristiche geometriche e fisico-meccaniche dei materiali del sottosuolo. Successivamente, saranno illustrati gli aspetti pratici dell'utilizzo dei metodi sismici a riflessione per la caratterizzazione dei suoli e delle rocce, delineando gli aspetti essenziali delle fasi di acquisizione, elaborazione ed interpretazione dei dati e le loro applicazioni in campo ingegneristico. Infine verranno dati alcuni cenni sul principio di funzionamento del GPR e sulle sue applicazioni pratiche.
Viene presentato e discusso (in inglese) in dettaglio l'utilizzo della piattaforma EIAGRID/SmartGEO in due casi studio significativi per le applicazioni geotecniche e ambientali. Al termine, l'utente interessato dovrebbe essere in grado di utilizzare in modo autonomo la piattaforma attraverso il portale SmartGEO.
Viene descritta la piattaforma EiAGRID/SmartGeo, un portale di calcolo e analisi dati per sismica a riflessione e acquisizioni GPR multioffset, che mette a disposizione dell'utente una serie di servizi di calcolo e di processing accessibili attraverso un'interfaccia Web basata su un'infrastruttura Grid. La piattaforma consente all'utente in campo, tramite un dispositivo client (laptop, PC, tablet, etc.), di usufruire di una serie di servizi computazionali che risiedono e girano su server remoti, secondo il paradigma SaaS (Software as a Service). Verranno illustrate le soluzioni modellistiche e tecnologiche adottate e alcuni risultati ottenuti su dati reali.
This document summarizes trends in mobile graphics presented by Marco Agus and Marcos Balsa at the Visual Computing conference at UniCa in June 2015. It discusses how mobile devices are using techniques like remote rendering, mixed mobile/remote rendering, image-based and model-based methods to render 3D graphics. It also explores hardware acceleration methods for mobile like parallel pipelines, real-time ray tracing, and multi-rate approaches to improve frame rates and rendering quality on mobile. The document focuses on visualization techniques for large meshes, complex lighting, and volume rendering on mobile devices.
This document provides an overview of mobile graphics and development. It discusses the evolution of mobile devices and graphics through movies and games. It outlines the increasing capabilities of mobile devices including processing power, memory, and connectivity. It covers operating systems, programming languages, CPU architectures including ARM and graphics processing unit architectures used in mobile devices. It provides details on graphics development for mobile systems.
TrustArc Webinar - 2024 Global Privacy SurveyTrustArc
How does your privacy program stack up against your peers? What challenges are privacy teams tackling and prioritizing in 2024?
In the fifth annual Global Privacy Benchmarks Survey, we asked over 1,800 global privacy professionals and business executives to share their perspectives on the current state of privacy inside and outside of their organizations. This year’s report focused on emerging areas of importance for privacy and compliance professionals, including considerations and implications of Artificial Intelligence (AI) technologies, building brand trust, and different approaches for achieving higher privacy competence scores.
See how organizational priorities and strategic approaches to data security and privacy are evolving around the globe.
This webinar will review:
- The top 10 privacy insights from the fifth annual Global Privacy Benchmarks Survey
- The top challenges for privacy leaders, practitioners, and organizations in 2024
- Key themes to consider in developing and maintaining your privacy program
Ocean lotus Threat actors project by John Sitima 2024 (1).pptxSitimaJohn
Ocean Lotus cyber threat actors represent a sophisticated, persistent, and politically motivated group that poses a significant risk to organizations and individuals in the Southeast Asian region. Their continuous evolution and adaptability underscore the need for robust cybersecurity measures and international cooperation to identify and mitigate the threats posed by such advanced persistent threat groups.
Driving Business Innovation: Latest Generative AI Advancements & Success StorySafe Software
Are you ready to revolutionize how you handle data? Join us for a webinar where we’ll bring you up to speed with the latest advancements in Generative AI technology and discover how leveraging FME with tools from giants like Google Gemini, Amazon, and Microsoft OpenAI can supercharge your workflow efficiency.
During the hour, we’ll take you through:
Guest Speaker Segment with Hannah Barrington: Dive into the world of dynamic real estate marketing with Hannah, the Marketing Manager at Workspace Group. Hear firsthand how their team generates engaging descriptions for thousands of office units by integrating diverse data sources—from PDF floorplans to web pages—using FME transformers, like OpenAIVisionConnector and AnthropicVisionConnector. This use case will show you how GenAI can streamline content creation for marketing across the board.
Ollama Use Case: Learn how Scenario Specialist Dmitri Bagh has utilized Ollama within FME to input data, create custom models, and enhance security protocols. This segment will include demos to illustrate the full capabilities of FME in AI-driven processes.
Custom AI Models: Discover how to leverage FME to build personalized AI models using your data. Whether it’s populating a model with local data for added security or integrating public AI tools, find out how FME facilitates a versatile and secure approach to AI.
We’ll wrap up with a live Q&A session where you can engage with our experts on your specific use cases, and learn more about optimizing your data workflows with AI.
This webinar is ideal for professionals seeking to harness the power of AI within their data management systems while ensuring high levels of customization and security. Whether you're a novice or an expert, gain actionable insights and strategies to elevate your data processes. Join us to see how FME and AI can revolutionize how you work with data!
Unlock the Future of Search with MongoDB Atlas_ Vector Search Unleashed.pdfMalak Abu Hammad
Discover how MongoDB Atlas and vector search technology can revolutionize your application's search capabilities. This comprehensive presentation covers:
* What is Vector Search?
* Importance and benefits of vector search
* Practical use cases across various industries
* Step-by-step implementation guide
* Live demos with code snippets
* Enhancing LLM capabilities with vector search
* Best practices and optimization strategies
Perfect for developers, AI enthusiasts, and tech leaders. Learn how to leverage MongoDB Atlas to deliver highly relevant, context-aware search results, transforming your data retrieval process. Stay ahead in tech innovation and maximize the potential of your applications.
#MongoDB #VectorSearch #AI #SemanticSearch #TechInnovation #DataScience #LLM #MachineLearning #SearchTechnology
How to Interpret Trends in the Kalyan Rajdhani Mix Chart.pdfChart Kalyan
A Mix Chart displays historical data of numbers in a graphical or tabular form. The Kalyan Rajdhani Mix Chart specifically shows the results of a sequence of numbers over different periods.
Programming Foundation Models with DSPy - Meetup SlidesZilliz
Prompting language models is hard, while programming language models is easy. In this talk, I will discuss the state-of-the-art framework DSPy for programming foundation models with its powerful optimizers and runtime constraint system.
A Comprehensive Guide to DeFi Development Services in 2024Intelisync
DeFi represents a paradigm shift in the financial industry. Instead of relying on traditional, centralized institutions like banks, DeFi leverages blockchain technology to create a decentralized network of financial services. This means that financial transactions can occur directly between parties, without intermediaries, using smart contracts on platforms like Ethereum.
In 2024, we are witnessing an explosion of new DeFi projects and protocols, each pushing the boundaries of what’s possible in finance.
In summary, DeFi in 2024 is not just a trend; it’s a revolution that democratizes finance, enhances security and transparency, and fosters continuous innovation. As we proceed through this presentation, we'll explore the various components and services of DeFi in detail, shedding light on how they are transforming the financial landscape.
At Intelisync, we specialize in providing comprehensive DeFi development services tailored to meet the unique needs of our clients. From smart contract development to dApp creation and security audits, we ensure that your DeFi project is built with innovation, security, and scalability in mind. Trust Intelisync to guide you through the intricate landscape of decentralized finance and unlock the full potential of blockchain technology.
Ready to take your DeFi project to the next level? Partner with Intelisync for expert DeFi development services today!
Letter and Document Automation for Bonterra Impact Management (fka Social Sol...Jeffrey Haguewood
Sidekick Solutions uses Bonterra Impact Management (fka Social Solutions Apricot) and automation solutions to integrate data for business workflows.
We believe integration and automation are essential to user experience and the promise of efficient work through technology. Automation is the critical ingredient to realizing that full vision. We develop integration products and services for Bonterra Case Management software to support the deployment of automations for a variety of use cases.
This video focuses on automated letter generation for Bonterra Impact Management using Google Workspace or Microsoft 365.
Interested in deploying letter generation automations for Bonterra Impact Management? Contact us at sales@sidekicksolutionsllc.com to discuss next steps.
HCL Notes and Domino License Cost Reduction in the World of DLAUpanagenda
Webinar Recording: https://www.panagenda.com/webinars/hcl-notes-and-domino-license-cost-reduction-in-the-world-of-dlau/
The introduction of DLAU and the CCB & CCX licensing model caused quite a stir in the HCL community. As a Notes and Domino customer, you may have faced challenges with unexpected user counts and license costs. You probably have questions on how this new licensing approach works and how to benefit from it. Most importantly, you likely have budget constraints and want to save money where possible. Don’t worry, we can help with all of this!
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Join HCL Ambassador Marc Thomas in this webinar with a special guest appearance from Franz Walder. It will give you the tools and know-how to stay on top of what is going on with Domino licensing. You will be able lower your cost through an optimized configuration and keep it low going forward.
These topics will be covered
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GraphRAG for Life Science to increase LLM accuracyTomaz Bratanic
GraphRAG for life science domain, where you retriever information from biomedical knowledge graphs using LLMs to increase the accuracy and performance of generated answers
Main news related to the CCS TSI 2023 (2023/1695)Jakub Marek
An English 🇬🇧 translation of a presentation to the speech I gave about the main changes brought by CCS TSI 2023 at the biggest Czech conference on Communications and signalling systems on Railways, which was held in Clarion Hotel Olomouc from 7th to 9th November 2023 (konferenceszt.cz). Attended by around 500 participants and 200 on-line followers.
The original Czech 🇨🇿 version of the presentation can be found here: https://www.slideshare.net/slideshow/hlavni-novinky-souvisejici-s-ccs-tsi-2023-2023-1695/269688092 .
The videorecording (in Czech) from the presentation is available here: https://youtu.be/WzjJWm4IyPk?si=SImb06tuXGb30BEH .
Taking AI to the Next Level in Manufacturing.pdfssuserfac0301
Read Taking AI to the Next Level in Manufacturing to gain insights on AI adoption in the manufacturing industry, such as:
1. How quickly AI is being implemented in manufacturing.
2. Which barriers stand in the way of AI adoption.
3. How data quality and governance form the backbone of AI.
4. Organizational processes and structures that may inhibit effective AI adoption.
6. Ideas and approaches to help build your organization's AI strategy.
Skybuffer SAM4U tool for SAP license adoptionTatiana Kojar
Manage and optimize your license adoption and consumption with SAM4U, an SAP free customer software asset management tool.
SAM4U, an SAP complimentary software asset management tool for customers, delivers a detailed and well-structured overview of license inventory and usage with a user-friendly interface. We offer a hosted, cost-effective, and performance-optimized SAM4U setup in the Skybuffer Cloud environment. You retain ownership of the system and data, while we manage the ABAP 7.58 infrastructure, ensuring fixed Total Cost of Ownership (TCO) and exceptional services through the SAP Fiori interface.
Your One-Stop Shop for Python Success: Top 10 US Python Development Providersakankshawande
Simplify your search for a reliable Python development partner! This list presents the top 10 trusted US providers offering comprehensive Python development services, ensuring your project's success from conception to completion.
In the rapidly evolving landscape of technologies, XML continues to play a vital role in structuring, storing, and transporting data across diverse systems. The recent advancements in artificial intelligence (AI) present new methodologies for enhancing XML development workflows, introducing efficiency, automation, and intelligent capabilities. This presentation will outline the scope and perspective of utilizing AI in XML development. The potential benefits and the possible pitfalls will be highlighted, providing a balanced view of the subject.
We will explore the capabilities of AI in understanding XML markup languages and autonomously creating structured XML content. Additionally, we will examine the capacity of AI to enrich plain text with appropriate XML markup. Practical examples and methodological guidelines will be provided to elucidate how AI can be effectively prompted to interpret and generate accurate XML markup.
Further emphasis will be placed on the role of AI in developing XSLT, or schemas such as XSD and Schematron. We will address the techniques and strategies adopted to create prompts for generating code, explaining code, or refactoring the code, and the results achieved.
The discussion will extend to how AI can be used to transform XML content. In particular, the focus will be on the use of AI XPath extension functions in XSLT, Schematron, Schematron Quick Fixes, or for XML content refactoring.
The presentation aims to deliver a comprehensive overview of AI usage in XML development, providing attendees with the necessary knowledge to make informed decisions. Whether you’re at the early stages of adopting AI or considering integrating it in advanced XML development, this presentation will cover all levels of expertise.
By highlighting the potential advantages and challenges of integrating AI with XML development tools and languages, the presentation seeks to inspire thoughtful conversation around the future of XML development. We’ll not only delve into the technical aspects of AI-powered XML development but also discuss practical implications and possible future directions.
Building Production Ready Search Pipelines with Spark and MilvusZilliz
Spark is the widely used ETL tool for processing, indexing and ingesting data to serving stack for search. Milvus is the production-ready open-source vector database. In this talk we will show how to use Spark to process unstructured data to extract vector representations, and push the vectors to Milvus vector database for search serving.
Building Production Ready Search Pipelines with Spark and Milvus
Sviluppi modellistici sulla propagazione degli incendi boschivi
1. Sviluppi modellistici
sulla propagazione degli incendi boschivi
Gianni PAGNINI
Borsista RAS
PO Sardegna FSE 2007-2013 sulla L.R. 7/2007
“Promozione della ricerca scientifica e dell’innovazione tecnologica in Sardegna”
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
2. Introduction
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
3. Turbulence Sources in Wildland Fire Front
Propagation (1)
Wildland fire propagates at the ground level and then it is
dependent on the dynamics of the Atmospheric Boundary
Layer, whose flow is turbulent in nature.
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
4. Turbulence Sources in Wildland Fire Front
Propagation (2)
Moreover, in this atmospheric layer the turbulence is amplified
by the forcing due to the fire-atmosphere coupling
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
5. Turbulence Sources in Wildland Fire Front
Propagation (2)
... and by the appearing of the fire-induced flow.
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
6. Importance of Turbulence Modelling in Wildland Fire
As a consequence of the turbulent transport of the hot air mass,
that can pre-heat and then ignite the area ahead the fire,
the fire front position becomes random.
Hence, it is of paramount importance for the prediction of the
fire motion to take into account turbulence.
Accounting for the effect of turbulence on the fire propagation
improves the usefulness of the operational models and thereby
increases the firefighting safety and in general the
efficiency of the fire suppression and control efforts.
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
7. The Level-Set Method (1)
Let Γ(t) = (x(s, t), y(s, t)) be a parameterized evolving
interface.
Let ϕ(x, t) be a function such that the level-set ϕ = constant
corresponds to the evolving front Γ(t). Then the equation for
the evolution of ϕ corresponding to the motion of the interface
Γ(t) is given by
Dϕ
= 0. (1)
Dt
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
8. The Level-Set Method (2)
Dϕ ∂ϕ dx
= + · ϕ = 0. (2)
Dt ∂t dt
dx ϕ
= V(x, t) = V(x, t) n , n=− , (3)
dt || ϕ||
∂ϕ
= V(x, t) || ϕ|| . (4)
∂t
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
9. The Rate of Spread (1)
The rate of spread is the fire front velocity, firstly estabilished by
Rothermel (1972) as an operative approximation of a
theoretically based formula due to Frandsen (1971),
V(x, t) = V0 (1 + fW + fS ) , (5)
where V0 is the spread rate in the absence of wind,
fW is the wind factor and fS is the slope factor.
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
10. The Rate of Spread (2)
IR ξ
V0 = , (6)
ρb ε Qign
IR : reaction intensity
ξ: propagation flux ratio, the proportion of IR transferred to
unburned fuels
ρb : oven dry bulk density
ε: effective heating number, the proportion of fuel that is heated
before ignition occurs
Qign : heat of pre-ignition.
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
11. The Model: Deterministic Front
Let x(t, x0 ) be a deterministic trajectory with initial condition x0 ,
i.e., x(0, x0 ) = x0 , and driven solely by the rate of spread
V(x, t).
Moreover, let ϕ(x, t) be the function with values 1 and 0 such
that ϕ(x, t) = 1 markes the burned area Ω(t), i.e.,
Ω(t) = {x, t : ϕ(x, t) = 1}, and ϕ(x, t) = 0 markes the unburned
area, i.e., x ∈ Ω(t).
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
12. The Model: Random Front (1)
Let Xω (t, x0 ) = x(t, x0 ) + σ ω be the ω-realization of a random
trajectory driven by the noise σ, with average value
Xω (t, x0 ) = x(t, x0 ) and the same fixed initial condition
Xω (0, x0 ) = x0 in all realizations.
Hence, the ω-realization of the fire line contour follows to be
ϕω (x, t) = ϕ(x0 , 0) δ(x − Xω (t, x0 )) dx0 . (7)
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
13. The Model: Random Front (2)
Since the trajectory x(t, x0 ) is time-reversible, the Jacobian of
dx0
the transformation x(t, x0 ) = Ft (x0 ) is = 1, then formula
dx
(7) becomes
ϕω (x, t) = ϕ(x, t) δ(x − Xω (t, x)) dx . (8)
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
14. The Model: Randomized LS-Method
Finally, after averaging, the effective fire front contour emerges
to be determined as
ϕω (x, t) = ϕ(x, t) δ(x − Xω (t, x)) dx
= ϕ(x, t) δ(x − Xω (t, x)) dx
= ϕ(x, t) p(x; t|x) dx
= p(x; t|x) dx = ϕeff (x, t) , (9)
Ω(t)
where p(x; t|x) = p(x − x; t) is the probability density function
(PDF) of the turbulent dispersion of the hot flow particles with
average position x.
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
15. Turbulent Premixed Combustion (1)
week ending
PRL 107, 044503 (2011) PHYSICAL REVIEW LETTERS 22 JULY 2011
Lagrangian Formulation of Turbulent Premixed Combustion
Gianni Pagnini and Ernesto Bonomi
CRS4, Polaris Building 1, 09010 Pula, Italy
(Received 4 November 2010; published 21 July 2011)
The Lagrangian point of view is adopted to study turbulent premixed combustion. The evolution of the
volume fraction of combustion products is established by the Reynolds transport theorem. It emerges that
the burned-mass fraction is led by the turbulent particle motion, by the flame front velocity, and by the mean
curvature of the flame front. A physical requirement connecting particle turbulent dispersion and flame front
velocity is obtained from equating the expansion rates of the flame front progression and of the unburned
particles spread. The resulting description compares favorably with experimental data. In the case of a zero-
curvature flame, with a non-Markovian parabolic model for turbulent dispersion, the formulation yields the
Zimont equation extended to all elapsed times and fully determined by turbulence characteristics. The exact
solution of the extended Zimont equation is calculated and analyzed to bring out different regimes.
DOI: 10.1103/PhysRevLett.107.044503 PACS numbers: 47.70.Pq, 05.20.Jj, 47.27.Ài
Turbulent premixed combustion is a challenging scien- In this Letter, the fresh mixture is intended to be a popu-
tific field involving nonequilibrium phenomena and play- lation of particles in turbulent motion that, in a statistical
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
ing the main role in important industrial issues such as sense, change from reactant to product when their average
16. Turbulent Premixed Combustion (2)
In premixed combustion all reactants are intimately mixed at the
molecular level before the combustion is started, while in
non-premixed combustion the fuel and the oxidant must be
mixed before than combustion can take place.
Premixed Combustion process can be described as the
following one-step irreversible chemical reaction
Fresh Gas → Burned Gas + Heat .
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
17. Turbulent Premixed Combustion (3)
Premixed combustion is describe by a single non-dimensional
variable named progress variable c(x, t), wich represents the
burned mass fraction and it is defined statistically defined in the
Lagrangian approach as
c(x, t) = p(x; t|x) dx . (10)
Ω(t)
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
18. Fire Front Propagation (1)
Reynolds transport theorem
d ∂Ψ
Ψ(x, t) dV = dV + ˆ
Ψ u · nS dS ,
dt V (t) V (t) ∂t S
Divergence theorem
ˆ
Ψ u · nS dS = · (u Ψ) dV .
S V
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
19. Fire Front Propagation (2)
Fire front evolution equation (1)
∂ϕeff ∂p
= dx + · (V p) dx . (11)
∂t Ω(t) ∂t Ω(t)
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
20. Fire Front Propagation (3)
Fire front evolution equation (2)
Mean front curvature: κ(x, t) = · n/2,
∂ϕeff ∂p
= dx + V· xp dx
∂t Ω(t) ∂t Ω(t)
∂V
+ p xκ ˆ
· n + 2 V(κ, t)κ(x) dx .
Ω(t) ∂κ
The fireline propagation is driven by:
i) turbulent dispersion (i.e., p(x − x; t)),
ii) rate of spread (i.e., V(x, t)),
iii) mean front curvature (i.e., κ(x, t)).
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
21. Non-turbulent Limit
If turbulence is negligible, hot air particles deterministically
move, i.e., p → δ(x − x),
and the fire front propagation equation becomes
∂ϕeff
= V(x, t) || ϕeff || , (12)
∂t
which is the Hamilton–Jacobi equation corresponding to the
Level-Set Method.
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
22. The Model: Heating-before-burning Law (1)
The model is completed by a law for the ignition due to the
pre-heating by the hot air mass.
Let T (x, t) be the temperature field and Tign the ignition value.
The most simple law for the temperature growing, when
T (x, t) ≤ Tign , is
∂T (x, t) Tign − T (x, 0)
= , (13)
∂t τ
so that
t
T (x, t) = T (x, 0) + Tign − T (x, 0) . (14)
τ
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
23. The Model: Heating-before-burning Law (2)
In the proposed model, the heating in an unburned point x i.e.,
0 < ϕeff (x, t) ≤ 0.5, is due to the presence of hot air.
Formula (13) changes according to
∂T (x, t) Tign − T (x, 0)
= ϕeff (x, t) , T ≤ Tign . (15)
∂t τ
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
24. The Model: Heating-before-burning Law (3)
For a given characteristic ignition delay τ , the time of
heating-before-burning ∆t is such that it holds
∆t
τ= ϕeff (x, ξ) dξ . (16)
0
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
25. Turbulent Dispersion Model
The most simple model for turbulent dispersion of hot air mass
around the average fireline is
∂p 2
=D p, p(x − x; 0) = δ(x − x0 ) , (17)
∂t
and then
1 (x − x)2 + (y − y)2
p(x − x; t) = exp − , (18)
2πσ 2 2 σ 2 (t)
where σ 2 (t) is the particle displacement variance related to the
turbulent diffusion coefficient D, i.e.,
σ 2 (t) = (x − x)2 = (y − y )2 = 2 D t . (19)
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
26. Analytic Results (1)
Plane fire front
ˆ
When the normal to the front n is constant, then the curvature κ
is null. The fireline propagation is driven by
∂ϕeff 2
=D ϕeff + V(t) || ϕeff || . (20)
∂t
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
27. Analytic Results (2)
The exact solution of (20) is
1 x − LR (t) x − LL (t)
ϕeff (x, t) = Erfc √ − Erfc √ , (21)
2 2 Dt 2 Dt
where Erfc is the complementary Error function,
LR and LL are the right and left fronts, respectively, defined as
dLR dL
= − L = V(t) , Ω(t) = [LL (t); LR (t)] .
dt dt
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
28. Comparison
randomized level-ser
level-set
1
0.8
0.6
0.4
0.2
0
-10 -5 0 5 10
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
29. Analytic Results (2)
If V = constant then
the Level-Set fire front position is Lf = L0 + Vt and it holds
1 L0 + V t 1
ϕeff (LR , t) = 1 − Erfc √ < , 0 < t < ∞, (22)
2 Dt 2
hence the “cold” isoline ϕeff = 1/2 is slower than the Level-Set
contour.
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
30. Analytic Results (3)
The “hot” isoline ϕeff = 1/2 can be faster than the Level-Set
contour. In fact, the elapsed time ∆t neccessery to meet
condition (16)
∆t
τ= ϕeff (x, t) dt , (23)
0
can be shorter than the elapsed time δt such that
δt
∂ϕeff 1
ϕeff (x, δt) = ϕeff (x, 0) + dt = . (24)
0 ∂t 2
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
31. Analytic Results (4)
In particular, with the initial condition
1 , x ∈ Ω(0)
ϕeff (x, 0) = , (25)
0 , x ∈ Ω(0)
the “hot” isoline ϕeff = 1/2 is faster than the Level-Set contour
when
∂ϕeff ϕ
< eff , (26)
∂t 2τ
so that
∆t ∆t
∂ϕeff ϕeff 1
dt < dt = . (27)
0 ∂t 0 2τ 2
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
32. Figures (1)
a) b)
Time [min] Time [min]
100 1e+03 100 800
800 600
600 400
80 400 80 200
200
60 60
40 40
20 20
0 0
0 20 40 60 80 100 0 20 40 60 80 100
c) d)
Time [min] Time [min]
100 600 100 500
400 400
200 300
80 80 200
100
60 60
40 40
20 20
0 0
0 20 40 60 80 100 0 20 40 60 80 100
Evolution in time of the fire line contour, when τ = 10 [min], for
the level-set method a) and for the randomized level-set
method with increasing turbulence: b) D = 25 [ft]2 [min]−1 ,
c) D = 100 [ft]2 [min]−1 , d) D = 225 [ft]2 [min]−1 .
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
33. Figures (2)
a) b)
Time [min] Time [min]
100 1e+03 100 1e+03
800 800
600 600
80 400 80 400
200 200
60 60
40 40
20 20
0 0
0 20 40 60 80 100 0 20 40 60 80 100
c) d)
Time [min] Time [min]
100 1e+03 100 1e+03
800 800
600 600
80 400 80 400
200 200
60 60
40 40
20 20
0 0
0 20 40 60 80 100 0 20 40 60 80 100
Evolution in time of the fire line contour, when τ = 50 [min], for
the level-set method a) and for the randomized level-set
method with increasing turbulence: b) D = 25 [ft]2 [min]−1 ,
c) D = 100 [ft]2 [min]−1 , d) D = 225 [ft]2 [min]−1 .
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
34. Figures (3)
a) b)
Time [min] Time [min]
100 1e+03 100 1e+03
800 800
600 600
80 400 80 400
200 200
60 60
40 40
20 20
0 0
0 20 40 60 80 100 0 20 40 60 80 100
c) d)
Time [min] Time [min]
100 1e+03 100 1e+03
800 800
600 600
80 400 80 400
200 200
60 60
40 40
20 20
0 0
0 20 40 60 80 100 0 20 40 60 80 100
Evolution in time of the fire line contour in the presence of a
firebreak, when τ = 100 [min], for the level-set method a) and
for the randomized level-set method with increasing turbulence:
b) D = 25 [ft]2 [min]−1 , c) D = 100 [ft]2 [min]−1 ,
d) D = 225 [ft]2 [min]−1 .
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
35. Conclusions (1)
A new formulation for modelling the wildland fire front
propagation is proposed.
It includes smallscale processes driven by the turbulence
generated by the Atmospheric Boundary Layer dynamics and
by the fire-induced flow.
It is based on the randomization of the level-set method for
tracking fire line contour by considering a distribution of the
contour according to the PDF of the turbulent displacement of
hot air particles.
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
36. Conclusions (2)
This formulation is emerged to be suitable, more than the
ordinary level-set approach, to model the following two
dangerous situations:
i) the increasing of the rate of spread of the fire line as a
consequence of the pre-heating of zones ahead the fire front by
the hot air mass
ii) the overcoming of a breakfire by the fire because of the
diffusion of the hot air behind it, which is for the level-set
method a failed task because in the firebreak zone the rate of
spread is null since the absence of fuel.
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
37. References
W.H. Frandsen, Fire spread through porous fuels from the
conservation of energy. Combust. Flame 16, 9–16 (1971).
R.C. Rothermel, A mathematical model for predicting fire
spread in wildland fires. USDA Forest Service, Research Paper
INT–115, (1972).
J.A. Sethian & P. Smereka, Level Set Methods for fluid
interfaces. Ann. Rev. Fluid Mech. 35, 341–372 (2003).
G. Pagnini & E. Bonomi, Lagrangian formulation of turbulent
premixed combustion. Phys. Rev. Lett. 107, 044503 (2011).
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012
38. Acknowledgements
Regione Autonoma della Sardegna
PO Sardegna FSE 2007-2013 sulla L.R. 7/2007
“Promozione della ricerca scientifica e
dell’innovazione tecnologica in Sardegna”.
Collana di Seminari per la Valorizzazione dei Risultati della Ricerca al CRS4, 22 marzo 2012