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An Introduction to the Theory of Functional Equations and Inequalities: Cauchy's Equation and Jensen's Inequality. by Marek Kuczma

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An Introduction to the Theory of Functional Equations and Inequalities: Cauchy's Equation and Jensen's Inequality. by Marek Kuczma Cover

 

Synopses & Reviews

Publisher Comments:

Marek Kuczma was born in 1935 in Katowice, Poland, and died there in 1991. After finishing high school in his home town, he studied at the Jagiellonian University in Kraków. He defended his doctoral dissertation under the supervision of Stanislaw Golab. In the year of his habilitation, in 1963, he obtained a position at the Katowice branch of the Jagiellonian University (now University of Silesia, Katowice), and worked there till his death. Besides his several administrative positions and his outstanding teaching activity, he accomplished excellent and rich scientific work publishing three monographs and 180 scientific papers. He is considered to be the founder of the celebrated Polish school of functional equations and inequalities. "The second half of the title of this book describes its contents adequately. Probably even the most devoted specialist would not have thought that about 300 pages can be written just about the Cauchy equation (and on some closely related equations and inequalities). And the book is by no means chatty, and does not even claim completeness. Part I lists the required preliminary knowledge in set and measure theory, topology and algebra. Part II gives details on solutions of the Cauchy equation and of the Jensen inequality [...], in particular on continuous convex functions, Hamel bases, on inequalities following from the Jensen inequality [...]. Part III deals with related equations and inequalities (in particular, Pexider, Hosszú, and conditional equations, derivations, convex functions of higher order, subadditive functions and stability theorems). It concludes with an excursion into the field of extensions of homomorphisms in general." (Janos Aczel, Mathematical Reviews) "This book is a real holiday for all the mathematicians independently of their strict speciality. One can imagine what deliciousness represents this book for functional equationists." (B. Crstici, Zentralblatt für Mathematik)  

Synopsis:

Review of the first edition

The second half of the title of this book describes its contents adequately. Probably even the most devoted specialist would not have thought that about 300 pages can be written just about the Cauchy equation (and on some closely related equations and inequalities). And the book is by no means chatty, and does not even claim completeness. Part I lists the required preliminary knowledge in set and measure theory, topology and algebra. Part II gives details on solutions of the Cauchy equation and of the Jensen inequality ...], in particular on continuous convex functions, Hamel bases, on inequalities following from the Jensen inequality ...]. Part III deals with related equations and inequalities (in particular, Pexider, HosszA, and conditional equations, derivations, convex functions of higher order, subadditive functions and stability theorems). It concludes with an excursion into the field of extensions of homomorphisms in general. (Janos Aczel, Mathematical Reviews)

This book is a real holiday for all the mathematicians independently of their strict speciality. One can imagine what deliciousness represents this book for functional equationists. (B. Crstici, Zentralblatt fA1/4r Mathematik)

...] this is a very useful book and a primary reference not only for those working in functional equations, but mainly for those in other fields of mathematics and its applications who look for a result on the Cauchy equation and/or the Jensen inequality. (Janos Aczel, Mathematical Reviews)

Table of Contents

Introduction.- I. Set Theory.- II. Topology.- III. Measure Theory.- IV. Algebra.- V. Additive Functions and Convex Functions.- VI. Elementary Properties of Convex Functions.- VII. Continuous Convex Functions.- VIII. Inequalities.- IX. Boundedness and Continuity of Convex and Additive Functions.- X. The Classes A, B, C.- XI. Properties of Hamel Bases.- XII. Further Properties of Additive and Convex Functions.- XIII. Related Equations.- XIV. Derivations and Automorphisms.- XV. Convex Functions of Higher Order.- XVI. Subadditive Functions.- XVII. Nearly Additive and Nearly Convex Functions.- XVIII. Extensions of Homomorphisms.- Bibliography.

Product Details

ISBN:
9783764387488
Author:
Kuczma, Marek
Publisher:
Birkhauser
Editor:
Gilanyi, Attila
Author:
Gilanyi, Attila
Subject:
Mathematical Analysis
Subject:
Mathematics-Analysis General
Subject:
functional equation
Subject:
Inequalities
Subject:
Analysis
Copyright:
Edition Description:
2nd ed. 2009
Publication Date:
20081218
Binding:
TRADE PAPER
Language:
English
Pages:
609
Dimensions:
240 x 170 mm

Related Subjects


Science and Mathematics » Mathematics » Analysis General
Science and Mathematics » Mathematics » Differential Equations
Science and Mathematics » Mathematics » Functional Analysis
Science and Mathematics » Mathematics » Set Theory
Science and Mathematics » Mathematics » Topology

An Introduction to the Theory of Functional Equations and Inequalities: Cauchy's Equation and Jensen's Inequality. by Marek Kuczma New Trade Paper
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$108.50 In Stock
Product details 609 pages Birkhauser Boston - English 9783764387488 Reviews:
"Synopsis" by , Review of the first edition

The second half of the title of this book describes its contents adequately. Probably even the most devoted specialist would not have thought that about 300 pages can be written just about the Cauchy equation (and on some closely related equations and inequalities). And the book is by no means chatty, and does not even claim completeness. Part I lists the required preliminary knowledge in set and measure theory, topology and algebra. Part II gives details on solutions of the Cauchy equation and of the Jensen inequality ...], in particular on continuous convex functions, Hamel bases, on inequalities following from the Jensen inequality ...]. Part III deals with related equations and inequalities (in particular, Pexider, HosszA, and conditional equations, derivations, convex functions of higher order, subadditive functions and stability theorems). It concludes with an excursion into the field of extensions of homomorphisms in general. (Janos Aczel, Mathematical Reviews)

This book is a real holiday for all the mathematicians independently of their strict speciality. One can imagine what deliciousness represents this book for functional equationists. (B. Crstici, Zentralblatt fA1/4r Mathematik)

...] this is a very useful book and a primary reference not only for those working in functional equations, but mainly for those in other fields of mathematics and its applications who look for a result on the Cauchy equation and/or the Jensen inequality. (Janos Aczel, Mathematical Reviews)

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