: In this paper we investigate several decomposition formulas associated with hypergeometric functions H B in three variables. Many operator identities involving these pairs of symbolic operators are first constructed for this purpose. By means of these operator identities, as many as 5 decomposition formulas are then found, which express the aforementioned triple hypergeometric functions in terms of such simpler functions as the products of the Gauss and Appell's hypergeometric functions.
Certain D - Operator for Srivastava H B - Hypergeometric Functions of Three V...inventionjournals
The aim of this paper is to derive certain relations involving Srivastava’s hypergeometric functions H B in three variables. Many operator identities involving these pairs of symbolic operators are first constructed for this purpose. By means of these operator identities, which express the aforementioned H B - hypergeometric functions in terms of such simpler functions as the products of the Gauss and Appell hypergeometric functions. Other closely-related results are also considered briefly. Also, we have derived certain new integral representations for the H B - hypergeometric functions of three variables defined earlier by Lauricella [ 8 ] and Srivastava [14 ] .
On Some Double Integrals of H -Function of Two Variables and Their ApplicationsIJERA Editor
This paper deals with the evaluation of four integrals of H -function of two variables proposed by Singh and
Mandia [7] and their applications in deriving double half-range Fourier series for the H -function of two
variables. A multiple integral and a multiple half-range Fourier series of the H -function of two variables are
derived analogous to the double integral and double half-range Fourier series of the H -function of two
variables.
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
Effect of orientation angle of elliptical hole in thermoplastic composite pla...ijceronline
International Journal of Computational Engineering Research (IJCER) is dedicated to protecting personal information and will make every reasonable effort to handle collected information appropriately. All information collected, as well as related requests, will be handled as carefully and efficiently as possible in accordance with IJCER standards for integrity and objectivity.
This document provides instructions for transposing formulae by changing the subject to different variables. It includes examples of transposing formulae where the subject is changed to w, t, r, n, and t, as well as transposing formulae where the subject is changed to a given variable in square brackets. The examples are shown step-by-step with the work clearly shown at each stage of transposing the formulae.
The document discusses coordinate geometry and determining the position of a point P that divides a line segment AB based on a ratio m:n. It provides examples of finding the coordinates of points that divide line segments in different ratios. It also covers topics related to the gradient of a line, parallel and perpendicular lines, and finding the midpoint and length of a line segment.
The document discusses basic number theory concepts including:
1) Definitions of divisibility and greatest common divisor (GCD) of two numbers.
2) An algorithm called the Euclidean algorithm to calculate the GCD of two numbers.
3) Introduction to least common multiple (LCM) of two numbers and a method to calculate LCM using prime factorizations.
This document contains mathematical formulas and definitions from various topics including:
- Set operations and identities involving sets A, B, and C.
- Properties of rational numbers including ratios in lowest terms.
- Algebra topics such as FOIL, factoring formulas, and special products involving binomials.
- Properties of fractions, equations, inequalities, and their relationships.
- Formulas for linear equations, the quadratic formula, distance, midpoint, and equations of circles.
- Properties that classify functions as even or odd based on their behavior as the input variable x approaches negative values.
Certain D - Operator for Srivastava H B - Hypergeometric Functions of Three V...inventionjournals
The aim of this paper is to derive certain relations involving Srivastava’s hypergeometric functions H B in three variables. Many operator identities involving these pairs of symbolic operators are first constructed for this purpose. By means of these operator identities, which express the aforementioned H B - hypergeometric functions in terms of such simpler functions as the products of the Gauss and Appell hypergeometric functions. Other closely-related results are also considered briefly. Also, we have derived certain new integral representations for the H B - hypergeometric functions of three variables defined earlier by Lauricella [ 8 ] and Srivastava [14 ] .
On Some Double Integrals of H -Function of Two Variables and Their ApplicationsIJERA Editor
This paper deals with the evaluation of four integrals of H -function of two variables proposed by Singh and
Mandia [7] and their applications in deriving double half-range Fourier series for the H -function of two
variables. A multiple integral and a multiple half-range Fourier series of the H -function of two variables are
derived analogous to the double integral and double half-range Fourier series of the H -function of two
variables.
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
Effect of orientation angle of elliptical hole in thermoplastic composite pla...ijceronline
International Journal of Computational Engineering Research (IJCER) is dedicated to protecting personal information and will make every reasonable effort to handle collected information appropriately. All information collected, as well as related requests, will be handled as carefully and efficiently as possible in accordance with IJCER standards for integrity and objectivity.
This document provides instructions for transposing formulae by changing the subject to different variables. It includes examples of transposing formulae where the subject is changed to w, t, r, n, and t, as well as transposing formulae where the subject is changed to a given variable in square brackets. The examples are shown step-by-step with the work clearly shown at each stage of transposing the formulae.
The document discusses coordinate geometry and determining the position of a point P that divides a line segment AB based on a ratio m:n. It provides examples of finding the coordinates of points that divide line segments in different ratios. It also covers topics related to the gradient of a line, parallel and perpendicular lines, and finding the midpoint and length of a line segment.
The document discusses basic number theory concepts including:
1) Definitions of divisibility and greatest common divisor (GCD) of two numbers.
2) An algorithm called the Euclidean algorithm to calculate the GCD of two numbers.
3) Introduction to least common multiple (LCM) of two numbers and a method to calculate LCM using prime factorizations.
This document contains mathematical formulas and definitions from various topics including:
- Set operations and identities involving sets A, B, and C.
- Properties of rational numbers including ratios in lowest terms.
- Algebra topics such as FOIL, factoring formulas, and special products involving binomials.
- Properties of fractions, equations, inequalities, and their relationships.
- Formulas for linear equations, the quadratic formula, distance, midpoint, and equations of circles.
- Properties that classify functions as even or odd based on their behavior as the input variable x approaches negative values.
The document describes several numerical methods for finding the roots of functions including bisection, secant, and Newton's methods. It lists examples of functions and intervals that each method was applied to, including polynomials ranging from degrees 3 to 5 with various coefficients and constants. Muller's method is also mentioned as another root-finding algorithm examined.
1. This document contains 5 multiple choice questions about functions and their compositions.
2. The questions involve evaluating functions, finding the composition of two functions, and determining the result of adding two functions together.
3. This summary provides a high-level overview of the key elements and purpose contained within the document.
The document shows the step-by-step working of simplifying the algebraic expression (5/4) (x^2 + y) - 1/4(x^2 + y) - (x^2 + y). It first uses the distributive property and combines like terms to get the solution of 0. It then notes that a faster approach is to treat the term (x^2 + y) as a single variable w, resulting in a simpler expression that also equals 0. The answer is D.
On Hadamard Product of P-Valent Functions with Alternating TypeIOSR Journals
The document is a research paper that presents results on the Hadamard product of p-valent functions. It begins with introducing definitions of p-valent starlike and convex functions. It then states that the class of p-valent functions is closed under Hadamard products. The main results proved in the paper are two lemmas that provide coefficient conditions for a p-valent function to belong to the classes M*(A,B) and C(A,B) under Hadamard products.
All about life and death volume 1 - a basic dictionary of life and death - ...Eases Pe'Ple
This document provides an index and contents section for a two-volume dictionary on life and death patterns in the board game Go. The index lists specific shapes and examples found in Volume One. The preface by the author Cho Chikun explains that the book is meant to help readers gradually learn to assess life and death situations by reducing them to basic eye shapes and three-in-a-row patterns.
In this paper based on recently introduced approach we formulated some recommendations to optimize
manufacture drift bipolar transistor to decrease their dimensions and to decrease local overheats during
functioning. The approach based on manufacture a heterostructure, doping required parts of the heterostructure
by dopant diffusion or by ion implantation and optimization of annealing of dopant and/or radiation
defects. The optimization gives us possibility to increase homogeneity of distributions of concentrations
of dopants in emitter and collector and specific inhomogenous of concentration of dopant in base and at the
same time to increase sharpness of p-n-junctions, which have been manufactured framework the transistor.
We obtain dependences of optimal annealing time on several parameters. We also introduced an analytical
approach to model nonlinear physical processes (such as mass- and heat transport) in inhomogenous media
with time-varying parameters.
This document contains mathematical formulas and derivations related to probabilistic modeling. It begins by defining the Bernoulli distribution and reparameterizing it using a logit transformation. It then generalizes this to the multinomial distribution and derives properties of the Dirichlet distribution, which is the conjugate prior for the multinomial. The final sections discuss maximum likelihood estimation for these models and properties of the normal-inverse-chi-square distribution, which is the conjugate prior for the normal distribution with unknown mean and variance.
1. The document describes a game theory model with multiple players and outcomes.
2. Equilibrium conditions for the players' strategies are derived by setting each player's payoff equal across different strategy choices.
3. The solutions to the equilibrium conditions are found to be mixed strategies with probabilities of 1/2, 1/3, and 3/4 for some players' strategies.
International journal of engineering issues vol 2015 - no 1 - paper4sophiabelthome
The document summarizes a variant of the Newton-Raphson method for finding the roots of nonlinear equations. The proposed variant requires only two functional evaluations at each iteration, compared to other variants that require three evaluations. The variant is defined by an iterative formula. It is proved that if the difference between the derivative of the function at the root and the initial approximation is negligible, then the method converges at a fourth-order rate. Numerical examples are provided to demonstrate the performance of the proposed variant.
The document contains mathematical equations and discussions involving prime numbers, polynomials, and Heegner numbers. It explores properties of prime-generating polynomials and uses formulas to calculate values of eπ√d for different values of d, relating these to class numbers of imaginary quadratic fields. Bounds on Heegner numbers d are derived based on results from Heilbronn and Linfoot.
1) The document discusses representations of prime numbers as sums of squares and relates them to modular forms.
2) Several formulas are presented for expressing prime numbers as sums of squares of integers, such as p = X^2 + 7Y^2.
3) Properties of modular forms are summarized, including representations as Fourier series and transformations under substitutions.
Steady Flow in Pipes of Rectangular Cross-Section Through Porous Mediuminventionjournals
International Journal of Mathematics and Statistics Invention (IJMSI) is an international journal intended for professionals and researchers in all fields of computer science and electronics. IJMSI publishes research articles and reviews within the whole field Mathematics and Statistics, new teaching methods, assessment, validation and the impact of new technologies and it will continue to provide information on the latest trends and developments in this ever-expanding subject. The publications of papers are selected through double peer reviewed to ensure originality, relevance, and readability. The articles published in our journal can be accessed online.
The document discusses different loop constructs in C programming including for, while, and do-while loops. It provides examples of using each loop type, explaining the basic syntax and flow. Key aspects like initialization, condition checking, and increment/decrement are described for the different loops.
The document discusses matrices and matrix operations. It defines what a matrix is and introduces common matrix terminology like elements, rows, columns, and dimension. It also defines special types of matrices such as zero matrices, triangular matrices, and identity matrices. The document then explains how to perform basic matrix operations like addition, scalar multiplication, and multiplication. It establishes properties for these operations and provides examples to illustrate them.
A common random fixed point theorem for rational inequality in hilbert spaceAlexander Decker
This document presents a common random fixed point theorem for four continuous random operators defined on a non-empty closed subset of a separable Hilbert space. It begins with introducing basic concepts such as separable Hilbert spaces, random operators, and common random fixed points. It then defines a condition (A) that the four mappings must satisfy. The main result is Theorem 2.1, which proves the existence of a unique common random fixed point for the four operators under condition (A) and a rational inequality condition. The proof constructs a sequence of measurable functions and shows it converges to the common random fixed point. This establishes the common random fixed point theorem for these operators.
The document appears to be a test or exam consisting of 38 questions or sections covering various topics. It includes questions, exercises, and passages related to subjects like grammar, literature, mathematics, and science. The document is written in Arabic and includes question numbers, subjects, and brief descriptions or instructions for each question/section.
This document summarizes the steps to approximate the value of an integral using the trapezoid method with n=4. Specifically:
- The integral is from -3 to 5 of (4x+5)^3.
- The trapezoid method formula is used with h=(b-a)/n, where h=2.
- Plugging the function into the trapezoid method formula results in an approximation of 26568.
- Expanding the function as a cubic binomial results in an approximation of 27515.
1. This document provides multiplication tricks for multiplying:
- 2-digit by 1-digit numbers
- 2-digit by 2-digit numbers
- 3-digit by 1-digit numbers
- 3-digit by 3-digit numbers
2. For 2-digit by 1-digit, you multiply each digit separately and place the results in columns from right to left.
3. For 2-digit by 2-digit, you multiply the digits in pairs and add the results according to the standard multiplication algorithm.
4. For 3-digit by 1-digit, you multiply each digit separately and place the results in columns from right to left.
5. For 3-digit by 3
This document is a marking scheme for the 2010 Additional Mathematics Paper 1 for the Malaysian Certificate of Education examination. It consists of 5 printed pages detailing the questions, marks allocated for workings, and full marks for each question. The marking scheme will be used by examiners to consistently apply marks to students' answers during the grading process.
Finite Element Modeling of RCC voided Beam and it’s comparison with conventio...inventionjournals
This document presents a finite element analysis of reinforced concrete beams both with and without transverse web openings. The analysis models the beams in ANSYS and validates the results against experimental testing. It finds that beams with circular or rectangular openings experience higher stresses and deflections compared to conventional solid beams without openings. Additional reinforcement is needed around openings to reduce stresses. The maximum stresses occur near openings. This paper compares the performance of beams with openings to solid beams to determine how openings affect behavior and appropriate reinforcement design.
Effect of Crusher Dust, Stone and Tire Wastes as Granular Pavement Materialsinventionjournals
This document summarizes a study on the use of crusher dust, crushed stone, and tire waste as granular pavement materials. The materials were tested for their geotechnical properties including gradation, compaction characteristics, and California bearing ratio (CBR). The results showed that mixes with 1.5-2% tire chips and gradations G2, G3, and G4 achieved CBR values over 80%, qualifying them to be used as base course materials for high traffic loads. Partial replacement of crushed stone with tire chips increased the elasticity of the mixes. The study concluded that mixes with 0-3% tire waste can meet specifications to be used as sub-base materials, as the light weight nature of tire
The document describes several numerical methods for finding the roots of functions including bisection, secant, and Newton's methods. It lists examples of functions and intervals that each method was applied to, including polynomials ranging from degrees 3 to 5 with various coefficients and constants. Muller's method is also mentioned as another root-finding algorithm examined.
1. This document contains 5 multiple choice questions about functions and their compositions.
2. The questions involve evaluating functions, finding the composition of two functions, and determining the result of adding two functions together.
3. This summary provides a high-level overview of the key elements and purpose contained within the document.
The document shows the step-by-step working of simplifying the algebraic expression (5/4) (x^2 + y) - 1/4(x^2 + y) - (x^2 + y). It first uses the distributive property and combines like terms to get the solution of 0. It then notes that a faster approach is to treat the term (x^2 + y) as a single variable w, resulting in a simpler expression that also equals 0. The answer is D.
On Hadamard Product of P-Valent Functions with Alternating TypeIOSR Journals
The document is a research paper that presents results on the Hadamard product of p-valent functions. It begins with introducing definitions of p-valent starlike and convex functions. It then states that the class of p-valent functions is closed under Hadamard products. The main results proved in the paper are two lemmas that provide coefficient conditions for a p-valent function to belong to the classes M*(A,B) and C(A,B) under Hadamard products.
All about life and death volume 1 - a basic dictionary of life and death - ...Eases Pe'Ple
This document provides an index and contents section for a two-volume dictionary on life and death patterns in the board game Go. The index lists specific shapes and examples found in Volume One. The preface by the author Cho Chikun explains that the book is meant to help readers gradually learn to assess life and death situations by reducing them to basic eye shapes and three-in-a-row patterns.
In this paper based on recently introduced approach we formulated some recommendations to optimize
manufacture drift bipolar transistor to decrease their dimensions and to decrease local overheats during
functioning. The approach based on manufacture a heterostructure, doping required parts of the heterostructure
by dopant diffusion or by ion implantation and optimization of annealing of dopant and/or radiation
defects. The optimization gives us possibility to increase homogeneity of distributions of concentrations
of dopants in emitter and collector and specific inhomogenous of concentration of dopant in base and at the
same time to increase sharpness of p-n-junctions, which have been manufactured framework the transistor.
We obtain dependences of optimal annealing time on several parameters. We also introduced an analytical
approach to model nonlinear physical processes (such as mass- and heat transport) in inhomogenous media
with time-varying parameters.
This document contains mathematical formulas and derivations related to probabilistic modeling. It begins by defining the Bernoulli distribution and reparameterizing it using a logit transformation. It then generalizes this to the multinomial distribution and derives properties of the Dirichlet distribution, which is the conjugate prior for the multinomial. The final sections discuss maximum likelihood estimation for these models and properties of the normal-inverse-chi-square distribution, which is the conjugate prior for the normal distribution with unknown mean and variance.
1. The document describes a game theory model with multiple players and outcomes.
2. Equilibrium conditions for the players' strategies are derived by setting each player's payoff equal across different strategy choices.
3. The solutions to the equilibrium conditions are found to be mixed strategies with probabilities of 1/2, 1/3, and 3/4 for some players' strategies.
International journal of engineering issues vol 2015 - no 1 - paper4sophiabelthome
The document summarizes a variant of the Newton-Raphson method for finding the roots of nonlinear equations. The proposed variant requires only two functional evaluations at each iteration, compared to other variants that require three evaluations. The variant is defined by an iterative formula. It is proved that if the difference between the derivative of the function at the root and the initial approximation is negligible, then the method converges at a fourth-order rate. Numerical examples are provided to demonstrate the performance of the proposed variant.
The document contains mathematical equations and discussions involving prime numbers, polynomials, and Heegner numbers. It explores properties of prime-generating polynomials and uses formulas to calculate values of eπ√d for different values of d, relating these to class numbers of imaginary quadratic fields. Bounds on Heegner numbers d are derived based on results from Heilbronn and Linfoot.
1) The document discusses representations of prime numbers as sums of squares and relates them to modular forms.
2) Several formulas are presented for expressing prime numbers as sums of squares of integers, such as p = X^2 + 7Y^2.
3) Properties of modular forms are summarized, including representations as Fourier series and transformations under substitutions.
Steady Flow in Pipes of Rectangular Cross-Section Through Porous Mediuminventionjournals
International Journal of Mathematics and Statistics Invention (IJMSI) is an international journal intended for professionals and researchers in all fields of computer science and electronics. IJMSI publishes research articles and reviews within the whole field Mathematics and Statistics, new teaching methods, assessment, validation and the impact of new technologies and it will continue to provide information on the latest trends and developments in this ever-expanding subject. The publications of papers are selected through double peer reviewed to ensure originality, relevance, and readability. The articles published in our journal can be accessed online.
The document discusses different loop constructs in C programming including for, while, and do-while loops. It provides examples of using each loop type, explaining the basic syntax and flow. Key aspects like initialization, condition checking, and increment/decrement are described for the different loops.
The document discusses matrices and matrix operations. It defines what a matrix is and introduces common matrix terminology like elements, rows, columns, and dimension. It also defines special types of matrices such as zero matrices, triangular matrices, and identity matrices. The document then explains how to perform basic matrix operations like addition, scalar multiplication, and multiplication. It establishes properties for these operations and provides examples to illustrate them.
A common random fixed point theorem for rational inequality in hilbert spaceAlexander Decker
This document presents a common random fixed point theorem for four continuous random operators defined on a non-empty closed subset of a separable Hilbert space. It begins with introducing basic concepts such as separable Hilbert spaces, random operators, and common random fixed points. It then defines a condition (A) that the four mappings must satisfy. The main result is Theorem 2.1, which proves the existence of a unique common random fixed point for the four operators under condition (A) and a rational inequality condition. The proof constructs a sequence of measurable functions and shows it converges to the common random fixed point. This establishes the common random fixed point theorem for these operators.
The document appears to be a test or exam consisting of 38 questions or sections covering various topics. It includes questions, exercises, and passages related to subjects like grammar, literature, mathematics, and science. The document is written in Arabic and includes question numbers, subjects, and brief descriptions or instructions for each question/section.
This document summarizes the steps to approximate the value of an integral using the trapezoid method with n=4. Specifically:
- The integral is from -3 to 5 of (4x+5)^3.
- The trapezoid method formula is used with h=(b-a)/n, where h=2.
- Plugging the function into the trapezoid method formula results in an approximation of 26568.
- Expanding the function as a cubic binomial results in an approximation of 27515.
1. This document provides multiplication tricks for multiplying:
- 2-digit by 1-digit numbers
- 2-digit by 2-digit numbers
- 3-digit by 1-digit numbers
- 3-digit by 3-digit numbers
2. For 2-digit by 1-digit, you multiply each digit separately and place the results in columns from right to left.
3. For 2-digit by 2-digit, you multiply the digits in pairs and add the results according to the standard multiplication algorithm.
4. For 3-digit by 1-digit, you multiply each digit separately and place the results in columns from right to left.
5. For 3-digit by 3
This document is a marking scheme for the 2010 Additional Mathematics Paper 1 for the Malaysian Certificate of Education examination. It consists of 5 printed pages detailing the questions, marks allocated for workings, and full marks for each question. The marking scheme will be used by examiners to consistently apply marks to students' answers during the grading process.
Finite Element Modeling of RCC voided Beam and it’s comparison with conventio...inventionjournals
This document presents a finite element analysis of reinforced concrete beams both with and without transverse web openings. The analysis models the beams in ANSYS and validates the results against experimental testing. It finds that beams with circular or rectangular openings experience higher stresses and deflections compared to conventional solid beams without openings. Additional reinforcement is needed around openings to reduce stresses. The maximum stresses occur near openings. This paper compares the performance of beams with openings to solid beams to determine how openings affect behavior and appropriate reinforcement design.
Effect of Crusher Dust, Stone and Tire Wastes as Granular Pavement Materialsinventionjournals
This document summarizes a study on the use of crusher dust, crushed stone, and tire waste as granular pavement materials. The materials were tested for their geotechnical properties including gradation, compaction characteristics, and California bearing ratio (CBR). The results showed that mixes with 1.5-2% tire chips and gradations G2, G3, and G4 achieved CBR values over 80%, qualifying them to be used as base course materials for high traffic loads. Partial replacement of crushed stone with tire chips increased the elasticity of the mixes. The study concluded that mixes with 0-3% tire waste can meet specifications to be used as sub-base materials, as the light weight nature of tire
Finite Element Analysis of Effect of Punching Shear in Flat Slab Using Ansys ...inventionjournals
Finite element analysis is useful numerical technique to solve various structural problems. In this paper FEA model of slab column connection is model using ANSYS 16.0 . Punching shear failure is a major problem encountered in the design of reinforced concrete flat plates. The utilization of shear reinforcement via shear studs or other means has become a choice for improving the punching shear capacity .The obtained results indicate that, the proposed shear reinforcement system and drop panel has a positive effect in the enhancement of both the punching shear capacity and the strain energy of interior slab–column connection of both normal and high strength concrete. The general finite element software ANSYS can be used successfully to simulate the punching shearbehaviour of reinforced concrete flat plates
Fixed Point Theorem in Fuzzy Metric Space Using (CLRg) Propertyinventionjournals
The object of this paper is to establish a common fixed point theorem for semi-compatible pair of self maps by using CLRg Property in fuzzy metric space.
Craig Curk has always loved game shows, including the famous Family Feud that started in 1976 and is currently in its 17th season. His family shared his love for that kind of entertainment, which was the main reason why they tried to get on the program several times. Their attempts were successful, resulting in two appearances, first in 1984, then later in 1991.
La arquitectura de un sistema de base de datos está influenciada por el sistema informático que soporta la instalación del SGBD, lo que reflejará muchas de las características propias del sistema subyacente en el SGBD.
The Pelamis Wave Energy Converter is a technology that uses the motion of ocean waves to generate electricity. It consists of cylindrical sections linked by hinged joints that capture the energy from waves moving the joints. As the joints move with the waves, hydraulic rams and motors drive electrical generators to produce electricity. Several Pelamis devices can be connected together via subsea power cables to transmit electricity to shore. The technology is proposed for use in India to help meet growing electricity demand.
Este documento analiza los riesgos físicos, psicosociales y sociales a los que se enfrentan las trabajadoras domésticas debido a las contingencias laborales. Examina las enfermedades profesionales que pueden derivarse de la actividad laboral doméstica y cómo la falta de pago de aportes por parte del empleador puede afectar el acceso a las prestaciones de seguridad social. También revisa la normativa que rige la responsabilidad patronal ante una mora en el pago de aportes.
The Pelamis Wave Energy Converter is a technology that uses the motion of ocean waves to generate electricity. It consists of cylindrical sections linked by hinged joints that capture the energy from waves moving the joints. As the joints move with the waves, hydraulic rams and motors drive electrical generators to produce electricity. Several Pelamis devices can be connected together via subsea power cables to transmit electricity to shore. The technology offers a hands-free operation with no required offshore maintenance. While wave power is not yet widely used, its potential is high as costs decrease and more wave farms emerge.
Este documento contiene una prueba de diagnóstico de matemáticas para tercero básico que evalúa habilidades numéricas como dictado, escritura, secuencias, operaciones aritméticas, descomposición de números, comparación, resolución de problemas y geometría. La prueba contiene 75 puntos distribuidos en diferentes secciones y un criterio de evaluación.
Este documento presenta EndNote, un software de gestión bibliográfica. EndNote permite almacenar referencias bibliográficas en una librería personal y organizar imágenes asociadas. También genera bibliografías y citas automáticamente en documentos de Word. El documento explica cómo crear y trabajar con librerías de EndNote, incluyendo añadir, editar y ordenar referencias. También cubre la búsqueda de bases de datos, importación de referencias, y el uso de estilos bibliográficos para formato de citas y bibliografías
Man, the different situations in which he finds himself, the diversity of aims, objectives and functions that he purpose and that are laid down for him and the many types of frames of reference in which he finds himself, are all together so complex and complicated that we cannot evolve anything like a universal formula for leadership. In fact the most that we can say and we can say it all generic elements of administration – is that the success of leadership in the final analysis is determined by the knowledge of the leader and of the people he leads. This knowledge includes knowledge of things outside the group’s own frame of reference. All this constitute the subject – matter of this article.
Bagasse based high pressure co-generation in Pakistaninventionjournals
The paper reports on the assessment of the use of bagasse in sugar industry for high pressure cogeneration. Study was done on a sugar mill which has recently adopted this technology. This paper investigates the efficiency of season and off season operation of sugar mill, high pressure cogeneration technology is much more efficient in bagasse to steam ratio. During seasonal operation CHP efficiency is 76.8% and during offseason its value is 29.9%.Project initial cost is high but payback period is low. It will encourage other sugar mills in Pakistan for the development of high pressure co-generation system to meet increasing energy demands in the country.
Synaptic memristor bridge circuit with pulse width based programable weights ...inventionjournals
Memristor bridge circuit linearly generates synaptic weights in the range [-1; 1]. A long width pulse programs the synaptic weights and a short width pulse computes multiplication results in ANN model. Each digit is sampled by 10 times, forming 5x4 matrix. Thecharacter recognition rate achieves 100% for digits from 1 through 5 . 5%, 10%, and 15% noisy patterns is added to consider the recognition rate.
New classes of Adomian polynomials for the Adomian decomposition method inventionjournals
The document proposes two new classes of Adomian polynomials for the Adomian decomposition method to solve nonlinear differential equations. The first class, denoted A n *, rearranges the terms of the Taylor series expansion of the nonlinear term in a different way than the regular Adomian polynomials. The second class, A n **, also rearranges the Taylor series terms differently. Numerical examples indicate the new polynomial classes provide more accurate solutions than the regular polynomials using the same number of solution components. The goal is to improve the convergence of solutions obtained with the Adomian decomposition method.
Multi-Mode Conceptual Clustering Algorithm Based Social Group Identification ...inventionjournals
The problem of web search time complexity and accuracy has been visited in many research papers, and the authors discussed many approaches to improve the search performance. Still the approaches does not produce any noticeable improvement and struggles with more time complexity as well. To overcome the issues identified, an efficient multi mode conceptual clustering algorithm has been discussed in this paper, which identifies the similar interested user groups by clustering their search context according to different conceptual queries. Identified user groups are shared with the related conceptual queries and their results to reduce the time complexity. The multi mode conceptual clustering, performs grouping of search queries and users according to number of users and their search pattern. The concept of search is identified by using Natural language processing methods and the web logs produced by the default web search engines. The author designed a dedicated web interface to collect the web log about the user search and the same data has been used to cluster the social groups according to number of conceptual queries. The search results has been shared between the users of identified social groups which reduces the search time complexity and improves the efficiency of web search in better manner
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Decomposition formulas for H B - hypergeometric functions of three variables
1. International Journal of Engineering Science Invention
ISSN (Online): 2319 – 6734, ISSN (Print): 2319 – 6726
www.ijesi.org ||Volume 5 Issue 4|| April 2016 || PP.40-48
www.ijesi.org 40 | Page
Decomposition formulas for B
H - hypergeometric functions of
three variables
Mosaed M. Makky
Mathematics Department, Faculty of Science (Qena) South Valley University (Qena , Egypt)
ABSTRACT: In this paper we investigate several decomposition formulas associated with hypergeometric
functions B
H in three variables. Many operator identities involving these pairs of symbolic operators are first
constructed for this purpose. By means of these operator identities, as many as 5 decomposition formulas are
then found, which express the aforementioned triple hypergeometric functions in terms of such simpler functions
as the products of the Gauss and Appell's hypergeometric functions.
Keywords: Decomposition formulas; Srivastava’s hypergeometric functions; Multiple hypergeometric
functions; Gauss hypergeometric function; Appell’s hypergeometric functions; Generalized hypergeometric
function.
I. Introduction
Hardly there is a necessity to speak about importance of properties of hypergeometric functions for any
scientist and the engineer dealing with practical application of differential equations. The solution of various
problems concerning a thermal conduction and dynamics, electromagnetic oscillations and aerodynamics, a
quantum mechanics and the theory of potentials, leads to hypergeometric functions. More often they appear at
solving of partial differential equations by the method of a separation of variables.
A variety of the problems leading hypergeometric functions, has called fast growth of number of the functions,
applied in applications (for example, in the monographs [22] 205 hypergeometric functions are studied). There
were monographs and papers on the theory of special functions. But in these mono-graphs there is no formula of
expansion and an analytic continuation of the generalized hypergeometric function. In this paper, using similar
symbolical method Burchnall and Chaundy, we shall construct formulas of expansion for the generalized
hypergeometric function. By means of the obtained formulas of expansion we find the formulas of an analytic
continuation of hypergeometric function of Clausen. The found formulas of an analytic continuation express
known hypergeometric Appell function.
A great interest in the theory of multiple hypergeometric functions (that is, hypergeometric functions of
several variables) is motivated essentially by the fact that the solutions of many applied problems involving (for
example) partial differential equations are obtainable with the help of such hypergeometric functions (see, for
details, [22]; see also the recent works [12,13] and the references cited therein).
For instance, the energy absorbed by some non ferromagnetic conductor sphere included in an internal magnetic
field can be calculated with the help of such functions [10]. Hypergeometric functions of several variables are
used in physical and quantum chemical applications as well (cf. [11,20]).
We note that Riemann’s functions and the fundamental solutions of the degenerate second- order
partial differential equations are expressible by means of hypergeometric functions of several variables [6]. In
investigation of the boundary value problems for these partial differential equations, we need decompositions
for hypergeometric functions of several variables in terms of simpler hypergeometric functions of (for example)
the Gauss and Appell's types.
Suppose that a hypergeometric function in the form (c.f. [4] and [14]) :
(1.1) 2 1
1
( ) ( )
, ; ; 1
!( )
nn n
n n
F z z
n
for neither zero nor a negative integer.
Now we consider B
H - hypergeometric function defined in [19] as follows :
(1.2) B
H = 1 2 3 1 2 3 1 2 3
, , ; , , ; , ,B
H z z z
= 1 3 1 2 2 3 31 2
1 2 3 1 2 3
1 2 3
1 2 3
, , 0 1 2 3 1 2 3
( ) ( ) ( )
( ) ( ) ( )
! ! !( ) ( ) ( )
n n n n n n nn n
n n n n n n
z z z
n n n
2. Decomposition formulas for B
H - hypergeometric…
www.ijesi.org 41 | Page
since
1 2 3
; ; ; 2 1r z s z t z r s t rst
which were introduced and investigated, over four decades ago, by Srivastava (see, for details, [16,17]; see also
[19] and [20]).
Also, we study the B
H - hypergeometric function, where it is regular in the unit hypersphere (c.f. [2,3]), for the
B
H - function, we can define as contiguous to it each of the following functions, which are samples by
uppering or lowering one of the parameters by unity.
(1.3) B
H ( +) = 1 3 1 2 2 3 31 2
1 2 3 1 2 3
1 2 31 1 3
1 2 3
, , 0 1 1 2 3 1 2 3
( ) ( ) ( )
( ) ( ) ( )
! ! !( ) ( ) ( )
n n n n n n nn n
n n n n n n
n n
z z z
n n n
(1.4) B
H ( -) = 1 3 1 2 2 3 31 2
1 2 3 1 2 3
1 2 31
1 2 3
, , 0 1 1 3 1 2 3 1 2 3
( ) ( ) ( )
( ) ( ) ( )
1 ! ! !( ) ( ) ( )
n n n n n n nn n
n n n n n n
z z z
n n n n n
(1.5) B
H ( +, +)
= 1 3 1 2 2 3 31 2
1 2 3 1 2 3
1 2 31 1 3 2 1 2
1 2 3
, , 0 1 2 1 2 3 1 2 3
( ) ( ) ( )
( ) ( ) ( )
! ! !( ) ( ) ( )
n n n n n n nn n
n n n n n n
n n n n
z z z
n n n
,
(1.6)
3
1j
j
dD , ; 1, 2 , 3j j
j
d z j
z
and the way we effect it with the recursions relations as it is found in the second part of the research.
By applying the operator D in (1.6) to (1.2), we find the following set of operator identities involving the Gauss
function 2 1
F , the Appell's functions, and Srivastava’s hypergeometric functions B
H defined by (1.2) is
(1.7) D 1 2 3 1 2 3 1 2 3
, , ; , , ; , ,B
H z z z
= D 1 3 1 2 2 3 31 2
1 2 3 1 2 3
1 2 3
1 2 3
, , 0 1 2 3 1 2 3
( ) ( ) ( )
( ) ( ) ( )
! ! !( ) ( ) ( )
n n n n n n nn n
n n n n n n
z z z
n n n
= 1 3 1 2 2 3 31 2
1 2 3 1 2 3
1 2 3 1 2 3
1 2 3
, , 0 1 2 3 1 2 3
( )( ) ( ) ( )
( ) ( ) ( )
! ! !( ) ( ) ( )
n n n n n n nn n
n n n n n n
n n n
z z z
n n n
1 2 1
1 2 3 1 2 3 1 2 3
1
( 1, 1, ; 1, , ; , , )B B
z
D H H z z z
2 3 2
1 2 3 1 2 3 1 2 3
2
( , 1, 1; , 1, ; , , )B
z
H z z z
1 3 3
1 2 3 1 2 3 1 2 3
3
( 1, , 1; , , 1; , , )B
z
H z z z
.
and
2 3 21 2 1
1 2 1 2 3 2
1 2
1 3 3
1 3 3
3
( , ; ) ( , ; )
( , ; )
B B B
B
zz
D H H H
z
H
i.e. the partial differential equation
3. Decomposition formulas for B
H - hypergeometric…
www.ijesi.org 42 | Page
2 3 21 2 1
1 2 1 2 3 2
1 2
1 3 3
1 3 3
3
( , ; ) ( , ; )
( , ; ) 0
B B B
B
zz
D H H H
z
H
has a solution in the form :
1 3 1 2 2 3 31 2
1 2 3 1 2 3
1 2 3 1 2 3 1 2 3
1 2 3
1 2 3
, , 0 1 2 3 1 2 3
, , ; , , ; , ,
( ) ( ) ( )
( ) ( ) ( )
! ! !( ) ( ) ( )
B
n n n n n n nn n
n n n n n n
H z z z
z z z
n n n
II. The main pairs of symbolic operators
Over six decades ago, Burchnall and Chaundy [1,2] and Chaundy [3] systematically presented a
number of expansion and decomposition formulas for some double hypergeometric functions in series of
simpler hypergeometric functions. Their method is based upon the following inverse pairs of symbolic
operators:
(2.1)
1 2
1 21 2
01 2
( )
!
k k
z z
k
k
d dh d d h
h
d h d h h k
(2.2)
1 2
1 21 2
01 2 1 2
( )
1 !
k k
z z
k
k
d dd h d h
h
h d d h h d d k
=
1 22
0 1 2
1
1 !
k
k k k
k
k k k
h d d
h k d h d h k
and
(2.3)
1 2 1 2
1 2 1 2
1 2 1 2
( ) ( )z z z z
h d d h d g d g
h g
d h d h g d d g
1 22
0 1 2
1 !
k k k k
k
k k k
g h g d d
g k d g d g k
1 2
0 1 2
1 !
k k k
k
k k
g h d d
h g d d k
since
j
jj
z
zd
; j=1,2.
We now recall here the following multivariable analogues of the Burchnall–Chaundy symbolic operators
1 2
( )z z
h and 1 2
( )z z
h defined by (2.1) and (2.2), respectively (cf. [6] and [16]; see also [18] for the case
when r = 3):
(2.4)
1 2 3
1 2 3
:
1 2 3
( )z z z
h d d d h
h
d h d d h
2 3 2 3
2 3
2 3
1 2 3
, 0 2 3
! !
n n n n
n n
n n
d d d
h n n
since
j
jj
z
zd
; j=1,2,3
and
(2.5)
1 2 3
1 2 3
:
1 2 3
( )z z z
d h d d h
h
h d d d h
4. Decomposition formulas for B
H - hypergeometric…
www.ijesi.org 43 | Page
2 3 2 3
2 3
2 3
1 2 3
, 0 1 2 3 2 3
1 ! !
n n n n
n n
n n
d d d
h d d d n n
2 3
2 3 2 3 2 3 2 3
2 3
2 3 2 3 2 3
2 3 1 2 32
, 0 2 3 2 3 2 3 1 2 3
1
! ! 1 ! !
n n
n n n n n n n n
n n
n n n n n n
h d d d d d
n n h n n n n d h d d h
since
j
jj
z
zd
; j=1,2,3.
where we have applied such known multiple hypergeometric summation formulas as (cf. [9]; see also [1]
B
H = 1 2 3 1 2 3 1 2 3
, , ; , , ; , ,B
H z z z
= 1 3 1 2 2 3 31 2
1 2 3 1 2 3
1 2 3
1 2 3
, , 0 1 2 3 1 2 3
( ) ( ) ( )
( ) ( ) ( )
! ! !( ) ( ) ( )
n n n n n n nn n
n n n n n n
z z z
n n n
since
1 2 3
m ax , , 1z z z
III. A set of operator identities for B
H - hypergeometric functions.
By applying the pairs of symbolic operators in (2.1) to (2.5), we find the following set of operator
identities involving the Gauss function 2 1
F the Appell's functions 1 2 3 4
, , ,F F F F and
1 2 3 1 2 3 1 2 3
, , ; , , ; , ,B
H z z z defined by (1.2) :
(3.1) 1 2 3 1 1 2 3
, , ; , , ; , ,B
H z z z
= 1 3 1 2 2 31 2 2 1 1 2 1 1 1 3 2 1 2 3
, ; ; , , ; ; ,z z z z z z
F z F z z .
(3.2) 1 2 3 1 2 3 1 2 3
, , ; , , ; , ,B
H z z z
= 1 3 1 21 2 2 1 1 2 1 1 2 3 2 1 2 3 2 3
, ; ; , , ; , ; ,z z z z
F z F z z .
(3.3) 1 2 3 1 1 2 3
, , ; , , ; , ,B
H z z z
1 3 1 2 2 3 2 31 2 3 2 1 1 2 1 1
3 3 1 2 3 2 3
, ; ;
. , , , ; ; , .
z z z z z z z z
F z
F z z
(3.4) 1 1 3 1 2 3 1 2 3
, , ; , , ; , ,B
H z z z
= 1 3 1 2 2 31 1 1 2 1 1 1 1 1 4 1 3 2 3 2 3
, ; ; , ; , ; ,z z z z z z
F z F z z .
(3.5) 1 2 3 1 2 3 1 2 3
, , ; , , ; , ,B
H z z z
1 3 1 2 2 31 2 3 2 1 1 2 1 1
2 1 2 3 2 2 2 1 1 3 3 3
, ; ;
. , ; ; , ; ; .
z z z z z z
F z
F z F z
In view of the known Mellin–Barnes contour integral representations for the Gauss function 2 1
F , the
Appell's functions 1 2 3 4
, , ,F F F F , and Srivastava’s triple hypergeometric functions B
H , it is not difficult to
give alternative proofs of the operator identities (3.1) to (3.5) above by using the Mellin and the inverse Mellin
transformations (see, [20,22]). The details involved in these alternative derivations of the operator identities
(3.1) to (3.5) are being omitted here.
IV. Decompositions for B
H - hypergeometric functions.
Making use of the principle of superposition of operators, from the operator identities (3.1) to (3.5) we
can derive the following decomposition formulas for B
H - hypergeometric functions:
5. Decomposition formulas for B
H - hypergeometric…
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2 3 1 31 2
1 2 3 1 2 3 1 2 3
1 2 3 2 3 1 1 2 3
1 2 3 1 1 2 3
1 2 3 2 1 2 3
, , 0 1 2 1 2 3
2 1 1 1 2 3 2 1 2 3 1 2 3 1
1 3 1
(4 .1) , , ; , , ; , ,
( ) ( ) ( ) ( ) ( ) ( )
( ) ( ) ( ) ! ! !
. , ; ;
. 2
B
n n n nn n
n n n n n n n n n
n n n n n n n n n
H z z z
z z z
n n n
F n n n n n n n n z
F n n
2 3 2 1 2 1 1 2 3 1 2 3 2 3
, , ; 2 ; , ;n n n n n n n n n z z
1 2 2 1
1 2 1 2 1 2
1 2 1 2 2 1
1 2 3 1 2 3 1 2 3
1 2 3 1 2 3
, 0 1 2 3 1 2
2 1 1 1 2 2 1 2 1 1 2 1
2 3 1 2 2 1 2 1 1 2 2 3 1 2
(4 .2 ) , , ; , , ; , ,
( ) ( ) ( ) ( ) ( ) ( )
( ) ( ) ( ) ! !
. , ; ;
. , , ; , ;
B
n n n n
n n n n n n
n n n n n n
H z z z
z z z
n n
F n n n n n n z
F n n n n n n n z
3
, ;z
3 4 1 2 3 1 2 4
2 3 4 1 2 3 4 1 2 3 1 2 4
1 2 3 4 1 2 1 1 2 3 4 3 4
1 2 3 1 1 2 3
1 2 2 3 2 3 2 1 2 3
, , , 0 3 2 2 2 1 1 2 3 4
2 1 1
(4 .3) , , ; , , ; , ,
( ) ( ) ( ) ( ) ( ) ( ) ( )
( ) ( ) ( ) ( ) ! ! ! !
.
B
n n n n n n n n
n n n n n n n n n n n n n
n n n n n n n n n n n n n
H z z z
z z z
n n n n
F n
2 3 4 2 1 2 3 4 1 3 4 1
3 1 2 3 1 1 2 3 4 2 1 2 3 3 1 2 4
3
1 2 3 4 2 3
2 , ; ;
2 , , , 2 ;
. ;
2 2 ; ,
n n n n n n n n z
n n n n n n n n n n n n n
F
n n n n z z
1 3 2 31 2
1 2 3 1 2 3 1 2 2 3
1 2 3 2 1 3 1 2 2 3
1 2 3 1 2 3 1 2 3
1 2 3 3 1 2 3
, , 0 3 1 2 3 1 2 3
2 1 1 1 2 3 2 1 2 3 1 1 3
(4 .4 ) , , ; , , ; , ,
( ) ( ) ( ) ( ) ( ) ( ) ( )
( ) ( ) ( ) ( ) ! ! !
. , ; ;
B
n n n nn n
n n n n n n n n n n
n n n n n n n n n n
H z z z
z z z
n n n
F n n n n n n n n
1
2 1 2 1 2 3 1 2 2 1 2 2
2 1 3 2 3 1 1 2 3 3 2 3 3
. , ; ;
. , ; ; ;
z
F n n n n n n z
F n n n n n n n z
6. Decomposition formulas for B
H - hypergeometric…
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2 3 1 2 3
1 2 3 1 2 3 1 2 3
1 2 3 2 3 1 1 2 3
1 2 3 1 1 2 2
2
1 2 3 2 1 2
, , 0 1 2 1 2 3
2 1 1 1 2 3 2 1 2 3 1 2 3 1
2 1 3 1 2 3
( 4 .5 ) , , ; , , ; , ,
( ) ( ) ( ) ( ) ( )
( ) ( ) ( ) ! ! !
. , ; ;
. 2 ,
B
n n n n n
n n n n n n n n n
n n n n n n n n n
H z z z
z z
n n n
F n n n n n n n n z
F n n n
1 2 1 2 3 1 2 3 2
2 2 ; 2 ; .n n n n n n z
Decomposition (3.3) can be proved by means of equality
1 3 1 2 2 3 2 3
2 3 3 1 2 1
1 2 3 4 1 2 3 4 1 2 3
3 4
1 2 1
1 2 3
1 1 2 3 3
2
1 1 2 3 1 2 3 1 3
, , , 0 1 2
1 22 1 2 3 1 3 1
3 2
1
( 4 .6 )
( ) ( ) ( ) ( ) ( ) ( )
.
( ) ( )
( ) ( )( ) ( ) ( )
.
( ) ( )
z z z z z z z z
m p m n p
n n n n n n m p
n n n n n n n n n n n
n nm n p
n n n
n n n
d dn n n n
1 2 3 1 2 43
1 2 3 4
( )
.
! ! ! !
n n n n n n
d
n n n n
Taking into account the identities (4.6), from parity (3.3), we have
2 3 3 1 2 1
1 2 3 4 1 2 3 4 1 2 3 1 2 1
3 4
1 2 3
1 2 3 1 1 2 3
2
1 1 2 3
, , , 0 1 2 3 2 1 2 3 4
1 1 2 3 2 1 2 1 1
2
4.7 , , ; , , ; , ,
( ) ( ) ( ) ( )
( ) ( ) ( ) ( ) ! ! ! !
. ( ) , ; ; ( )
. ( )
B
n n n n n n
n n n n n n n n n n n n n n
n n
n n n
H z z z
n n n n
d F n n n n z
d
1 2 43 3 3 1 1 3 2 3 1 2 3
( ) , , , ; ; ( ), ( ) ;n n n
d F n n n z z
we have
3 4
3 4 2 3 4 1 2 3 4 13 4
2 3 1 2 3 4
1 1 2 3 2 1 2 1 1
2
1 2 2 3
1
1 2 1
1 2 3 4 2 1 2 3 4 1 3 4 1
4.8 ( ) , ; ; ( )
( ) ( ) ( )
1 ( )
( ) ( ) ( )
. 2 , ; ; ( ) ;
n n
n n n n n n n n n nn n
n n n n n n
d F n n n n z
z
F n n n n n n n n n z
1 2 3 1 2 4
3 4 1 2 3 1 2 4
1 2 3 4 1 2 3 1 2 3 1 2 4
3 1 1 2 3 4
2 3 3 3 1 1 3 2 3 1 2 3
2 3
1 2 3 2 3 2
2
1 3 2 2
3 1 2 3
3
( 4 .9 ) ( ) ( ) , , , ; ; ( ), ( )
1 ( ) ( )
( ) ( ) ( ) ( )
.
( ) ( ) ( )
2 ,
.
n n n n n n
n n n n n n n n
n n n n n n n n n n n n n
n n n n n n
d d F n n n z z
z z
n n n
F
1 1 2 3 4 2 1 2 3
3 1 2 4 1 2 3 4 2 3
, ,
.
2 ; 2 2 ; ( ), ( )
n n n n n n n
n n n n n n n z z
Substituting identities (4.8) - (4.9) into equality (4.7), we get
7. Decomposition formulas for B
H - hypergeometric…
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1 2 3 1 1 2 3
, , ; , , ; , ,B
H z z z
1 3 1 2 2 3 2 31 2 3 2 1 1 2 1 1
3 3 1 2 3 2 3
, ; ;
. , , , ; ; , .
z z z z z z z z
F z
F z z
Our operational derivations of the decomposition formulas (4.1) to (4.5) would indeed run parallel to those
presented in the earlier works which we have already cited in the preceding sections.
V. Integral representations via decomposition formulas
Next we turn to a set of known double-integral representations of the Laplace type for B
H , each of
which was derived by Srivastava [20] from the following rather elementary formula :
1
0
1
(5 .1)
t n
n
e t d t
since 0
0 ;R n N .
For each of the hypergeometric functions B
H . Srivastava [19,20] gave several ordinary as well as
contour integral representations of the Eulerian, Laplace, Mellin– Barnes, and Pochhammer’s double-loop types.
Here, in this section, we first observe that several known integral representations of the Eulerian type can be
deduced also from the corresponding decomposition formulas of Section 4. For example, we have [19] .
1 2
1 2 3 1 2 3 1 2 3
1 1
0 1 1 1 2 3 2 3 2 3
0 0
1 2
(5 .2 ) , , ; , , ; , ,
1
; ; ; , ; ,
( ) ( )
B
s t
H z z z
e t s F z s t z s z t d s d t
since
1 2 2 3
m in , 0 ; m ax , 1R R R z R z ,
where 2
denotes one of Humbert’s confluent hypergeometric functions of two variables :
1 2
1 2
1 2 1 2
1 1 2
2 1 1 2 1 2
, 0 1 2 1 2
( )
(5 .3) ; , ; ,
( ) ( ) ! !
n n
n n
n n n n
z z
z z
n n
and
1 1
2 1 1 2 1 2 0 1 1 1 0 1 1 2
0
(5 .4 ) ; , ; , ; ; ; ;
t
z z e t F z t F z t d t
since
1
0R ,
which is easily derivable by combining (5.1) with the definition (5.3), we find from Srivastava’s result (5.2) that
31 2
1 2 3 1 2 3 1 2 3
11 1
0 0 0
1 2
0 1 1 1 0 1 2 2 0 1 3 3
(5 .5) , , ; , , ; , ,
1
( ) ( )
. ; ; ; ; ; ;
B
s t u
H z z z
e t s u
F z s t F z u s F z u t d s d t d u
since
1 2 3
m in , , 0R R R .
VI. Concluding remarks and observations
By suitably specializing the decomposition formulas (4.1) to (4.5), we can deduce a number of (known
or new) decomposition formulas including those given by (for example) Burchnall and Chaundy [1,2]. For
instance, for Appell’s hypergeometric functions, we find the following (presumably new) results:
8. Decomposition formulas for B
H - hypergeometric…
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2 2 2 1 2
1 1 2 2
, 0
2
4 1 2
( ) ( ) ( )
(6 .1) , ; ; ,
! !( 1) ( )
. 2 2 , ; 2 , 2 ; ,
i j i j
i j i j i
i j
i i j
z z
F z z
i ji
F i j i j i j i j z z
and
1 2 2 3 1 2
1 1 2 3 1 2
, 0 2 2
3 1 1 2 3 1 2
( ) ( ) ( )
(6 .2 ) , , ; , ; ,
( ) ( ) ! !
. 2 , 2 , , ; 2 ; , .
i j i j
i j i j i j
i j i i j
z z
F z z
i j
F i j i j i j i j i j z z
Furthermore, by making use of the decompositions (4.2), we can derive the following known reduction formulas
for Srivastava’s triple hypergeometric function B
H [19]:
2 1
1 2 3 1 3 3 1 2 3
2 31
2 3 4 1 2 1 3
2 3 2 3
(6 .3) , , ; , , ; , ,
( )( )
1 1 , ; , ; , .
1 1 1 1
B
H z z z
z zz
z z F
z z z z
Some of the most recent contributions in the theory of Srivastava’s B
H - hypergeometric series
include a paper by Harold Exton [5] and a paper by Rathie and Kim [15]. The work of Exton [5] made use of
elementary series manipulation and some wellknown analytic continuation formulas for the Gauss
hypergeometric function in order to derive a fundamental set of nine solutions of the system of partial
differential equations satisfied by the symmetrical function B
H , Rathie and Kim [15].
1
1
( 1) (1 ) 1
2
(6 .4 ) , , ; 1;1, 1
1
( 1) ( 1) 1
2
a b b b a
F a b b a b b
a b b a b
since 1R b .
However, in deriving many of their applications of the summation formula (6.4), Rathie and Kim [15] obviously
violated the constraint 1R b associated with (6.4) at least in situations in which the hypergeometric series
involved in their investigation would not terminate.
Finally, we note that, here in this paper, we have not applied such superpositions of operators as those provided
by (for example)
1 2 1 3 2 3 2 3 1 3 1 2 2 3
;z z z z z z z z z z z z z z
and
1 3 1 2 2 3 2 3 1 2 3;z z z z z z z z z z z
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