Convolution Type Functional Equations on Topological Abelian Groups PDF Download
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Author: L szl¢ Szkelyhidi
Publisher: World Scientific
ISBN: 9789810206581
Category : Mathematics
Languages : en
Pages : 180
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Book Description
This book is devoted to the possible applications of spectral analysis and spectral synthesis for convolution type functional equations on topological abelian groups. The solution space of convolution type equations has been synthesized in the sense that the general solutions are built up from exponential monomial solutions. In particular, equivalence of systems of functional equations can be tested. This leads to a unified treatment of classical equations and to interesting new results.
Author: L szl¢ Szkelyhidi
Publisher: World Scientific
ISBN: 9789810206581
Category : Mathematics
Languages : en
Pages : 180
Get Book
Book Description
This book is devoted to the possible applications of spectral analysis and spectral synthesis for convolution type functional equations on topological abelian groups. The solution space of convolution type equations has been synthesized in the sense that the general solutions are built up from exponential monomial solutions. In particular, equivalence of systems of functional equations can be tested. This leads to a unified treatment of classical equations and to interesting new results.
Author: László Székelyhidi
Publisher: World Scientific
ISBN: 9814506206
Category : Mathematics
Languages : en
Pages : 172
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Book Description
This book is devoted to the possible applications of spectral analysis and spectral synthesis for convolution type functional equations on topological abelian groups. The solution space of convolution type equations has been synthesized in the sense that the general solutions are built up from exponential monomial solutions. In particular, equivalence of systems of functional equations can be tested. This leads to a unified treatment of classical equations and to interesting new results. Contents:The Basic Problems of Spectral Analysis and Spectral SynthesisPolynomials and Exponential PolynomialsFourier-Transformation and Mean Periodic FunctionsApplications for Functional Equations:Functional Equations for PolynomialsThe Levi-Civitá Functional EquationD'Alembert-Type Functional EquationsAddition and Subtraction TheoremsDifference Equations on SemigroupsMean-Value Type Functional EquationsApplications for Differential EquationsNoncommutative Applications Readership: Mathematicians, graduates and researchers in related fields. keywords:Functional Equations;Abelian Groups;Convolution;Exponentials;Exponential Polynomials;Mean Periodic Functions;Fourier Transform;Varieties;Spectral Analysis;Spectral Synthesis “The book yields a beautiful example of how the advanced methods of abstract harmonic analysis can be employed in the field of functional equations.” Mathematical Reviews
Author: Gennadiĭ Mikhaĭlovich Felʹdman
Publisher: European Mathematical Society
ISBN: 9783037190456
Category : Abelian groups
Languages : en
Pages : 272
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Book Description
This book deals with the characterization of probability distributions. It is well known that both the sum and the difference of two Gaussian independent random variables with equal variance are independent as well. The converse statement was proved independently by M. Kac and S. N. Bernstein. This result is a famous example of a characterization theorem. In general, characterization problems in mathematical statistics are statements in which the description of possible distributions of random variables follows from properties of some functions in these variables. In recent years, a great deal of attention has been focused upon generalizing the classical characterization theorems to random variables with values in various algebraic structures such as locally compact Abelian groups, Lie groups, quantum groups, or symmetric spaces. The present book is aimed at the generalization of some well-known characterization theorems to the case of independent random variables taking values in a locally compact Abelian group $X$. The main attention is paid to the characterization of the Gaussian and the idempotent distribution (group analogs of the Kac-Bernstein, Skitovich-Darmois, and Heyde theorems). The solution of the corresponding problems is reduced to the solution of some functional equations in the class of continuous positive definite functions defined on the character group of $X$. Group analogs of the Cramer and Marcinkiewicz theorems are also studied. The author is an expert in algebraic probability theory. His comprehensive and self-contained monograph is addressed to mathematicians working in probability theory on algebraic structures, abstract harmonic analysis, and functional equations. The book concludes with comments and unsolved problems that provide further stimulation for future research in the theory.
Author: Palaniappan Kannappan
Publisher: Springer Science & Business Media
ISBN: 0387894926
Category : Mathematics
Languages : en
Pages : 817
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Book Description
Functional Equations and Inequalities with Applications presents a comprehensive, nearly encyclopedic, study of the classical topic of functional equations. This self-contained monograph explores all aspects of functional equations and their applications to related topics, such as differential equations, integral equations, the Laplace transformation, the calculus of finite differences, and many other basic tools in analysis. Each chapter examines a particular family of equations and gives an in-depth study of its applications as well as examples and exercises to support the material.
Author: Antal Járai
Publisher: Springer Science & Business Media
ISBN: 9780387244136
Category : Mathematics
Languages : en
Pages : 378
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Book Description
This book illustrates the basic ideas of regularity properties of functional equations by simple examples. It then treats most of the modern results about regularity of non-composite functional equations of several variables in a unified fashion. A long introduction highlights the basic ideas for beginners and several applications are also included.
Author: Yeol Je Cho
Publisher: Springer Science & Business Media
ISBN: 1461484774
Category : Mathematics
Languages : en
Pages : 246
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Book Description
This book discusses the rapidly developing subject of mathematical analysis that deals primarily with stability of functional equations in generalized spaces. The fundamental problem in this subject was proposed by Stan M. Ulam in 1940 for approximate homomorphisms. The seminal work of Donald H. Hyers in 1941 and that of Themistocles M. Rassias in 1978 have provided a great deal of inspiration and guidance for mathematicians worldwide to investigate this extensive domain of research. The book presents a self-contained survey of recent and new results on topics including basic theory of random normed spaces and related spaces; stability theory for new function equations in random normed spaces via fixed point method, under both special and arbitrary t-norms; stability theory of well-known new functional equations in non-Archimedean random normed spaces; and applications in the class of fuzzy normed spaces. It contains valuable results on stability in random normed spaces, and is geared toward both graduate students and research mathematicians and engineers in a broad area of interdisciplinary research.
Author: L szl¢ Szkelyhidi
Publisher: World Scientific
ISBN: 9814407011
Category : Mathematics
Languages : en
Pages : 210
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Book Description
The theory of hypergroups is a rapidly developing area of mathematics due to its diverse applications in different areas like probability, harmonic analysis, etc. This book exhibits the use of functional equations and spectral synthesis in the theory of hypergroups. It also presents the fruitful consequences of this delicate OC marriageOCO where the methods of spectral analysis and synthesis can provide an efficient tool in characterization problems of function classes on hypergroups.This book is written for the interested reader who has open eyes for both functional equations and hypergroups, and who dares to enter a new world of ideas, a new world of methods OCo and, sometimes, a new world of unexpected difficulties.
Author: László Székelyhidi
Publisher: World Scientific
ISBN: 981440702X
Category : Mathematics
Languages : en
Pages : 212
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Book Description
The theory of hypergroups is a rapidly developing area of mathematics due to its diverse applications in different areas like probability, harmonic analysis, etc. This book exhibits the use of functional equations and spectral synthesis in the theory of hypergroups. It also presents the fruitful consequences of this delicate “marriage” where the methods of spectral analysis and synthesis can provide an efficient tool in characterization problems of function classes on hypergroups. This book is written for the interested reader who has open eyes for both functional equations and hypergroups, and who dares to enter a new world of ideas, a new world of methods — and, sometimes, a new world of unexpected difficulties. Contents:IntroductionPolynomial Hypergroups in One VariablePolynomial Hypergroups in Several VariablesSturm-Liouville HypergroupsTwo-Point Support HypergroupsSpectral Analysis and Synthesis on Polynomial HypergroupsSpectral Analysis and Synthesis on Sturm-Liouville HypergroupsMoment Problems on HypergroupsSpecial Functional Equations on HypergroupsDifference Equations on Polynomial HypergroupsStability Problems on Hypergroups Readership: Researchers and post-graduate students working in hypergroups. Keywords:Functional Equation;Hypergroup;Spectral SynthesisKey Features:The treatment applied here is completely new for those who are working in hypergroups: methods of functional equations and spectral synthesis have not been used beforeThis treatment also enriches the theory of functional equations: no classical functional equational methods have been applied before on structures like hypergroupsSeveral problems in both fields can be considered from a unique point of view of convolution type functional equationsReviews: “The author presents a new and very interesting idea of solving functional equations, which can stimulate mathematicians from different areas of mathematics to study and solve similar problems.” Zentralblatt MATH
Author: T M Rassias
Publisher: CRC Press
ISBN: 9780582317116
Category : Mathematics
Languages : en
Pages : 284
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Book Description
In this volume, the contributing authors deal primarily with the interaction among problems of analysis and geometry in the context of inner product spaces. They present new and old characterizations of inner product spaces among normed linear spaces and the use of such spaces in various research problems of pure and applied mathematics. The methods employed are accessible to students familiar with normed linear spaces. Some of the theorems presented are at the same time simple and challenging.
Author: Said Melliani
Publisher: Springer Nature
ISBN: 3031124162
Category : Technology & Engineering
Languages : en
Pages : 496
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Book Description
We describe in this book recent advances in fuzzy sets theory, fractional calculus, dynamic systems, and optimization. The book provides a setting for the discussion of recent developments in a wide variety of topics including partial differential equations, dynamic systems, optimization, numerical analysis, fuzzy sets theory, fractional calculus, and its applications. The book is aimed at bringing together contributions from leading academic scientists, researchers, and research scholars to exchange and share their experiences and research results on all aspects of applied mathematics, modeling, algebra, economics, finance, and applications. It also provides an interdisciplinary platform for researchers, practitioners, and educators to present the most recent innovations, trends, and concerns as well as practical challenges encountered and solutions adopted in the fields of applied mathematics. The published chapters address various aspects of academic scientists, researchers, and research scholars in many variety mathematical topics.
