Function Theory
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| Author | : Sheldon Axler |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 266 |
| Release | : 2013-11-11 |
| Genre | : Mathematics |
| ISBN | : 1475781377 |
This book is about harmonic functions in Euclidean space. This new edition contains a completely rewritten chapter on spherical harmonics, a new section on extensions of Bochers Theorem, new exercises and proofs, as well as revisions throughout to improve the text. A unique software package supplements the text for readers who wish to explore harmonic function theory on a computer.
| Author | : Raymond Cheng |
| Publisher | : American Mathematical Soc. |
| Total Pages | : 239 |
| Release | : 2020-05-28 |
| Genre | : Education |
| ISBN | : 1470455935 |
The classical ℓp sequence spaces have been a mainstay in Banach spaces. This book reviews some of the foundational results in this area (the basic inequalities, duality, convexity, geometry) as well as connects them to the function theory (boundary growth conditions, zero sets, extremal functions, multipliers, operator theory) of the associated spaces ℓpA of analytic functions whose Taylor coefficients belong to ℓp. Relations between the Banach space ℓp and its associated function space are uncovered using tools from Banach space geometry, including Birkhoff-James orthogonality and the resulting Pythagorean inequalities. The authors survey the literature on all of this material, including a discussion of the multipliers of ℓpA and a discussion of the Wiener algebra ℓ1A. Except for some basic measure theory, functional analysis, and complex analysis, which the reader is expected to know, the material in this book is self-contained and detailed proofs of nearly all the results are given. Each chapter concludes with some end notes that give proper references, historical background, and avenues for further exploration.
| Author | : W. Rudin |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 449 |
| Release | : 2012-12-06 |
| Genre | : Mathematics |
| ISBN | : 1461380987 |
Around 1970, an abrupt change occurred in the study of holomorphic functions of several complex variables. Sheaves vanished into the back ground, and attention was focused on integral formulas and on the "hard analysis" problems that could be attacked with them: boundary behavior, complex-tangential phenomena, solutions of the J-problem with control over growth and smoothness, quantitative theorems about zero-varieties, and so on. The present book describes some of these developments in the simple setting of the unit ball of en. There are several reasons for choosing the ball for our principal stage. The ball is the prototype of two important classes of regions that have been studied in depth, namely the strictly pseudoconvex domains and the bounded symmetric ones. The presence of the second structure (i.e., the existence of a transitive group of automorphisms) makes it possible to develop the basic machinery with a minimum of fuss and bother. The principal ideas can be presented quite concretely and explicitly in the ball, and one can quickly arrive at specific theorems of obvious interest. Once one has seen these in this simple context, it should be much easier to learn the more complicated machinery (developed largely by Henkin and his co-workers) that extends them to arbitrary strictly pseudoconvex domains. In some parts of the book (for instance, in Chapters 14-16) it would, however, have been unnatural to confine our attention exclusively to the ball, and no significant simplifications would have resulted from such a restriction.
| Author | : Leonid Polterovich |
| Publisher | : |
| Total Pages | : 203 |
| Release | : 2014 |
| Genre | : Geometric function theory |
| ISBN | : 9781470419318 |
Cover -- Title page -- Contents -- Preface -- Three wonders of symplectic geometry -- 0-rigidity of the Poisson bracket -- Quasi-morphisms -- Subadditive spectral invariants -- Symplectic quasi-states and quasi-measures -- Applications of partial symplectic quasi-states -- A Poisson bracket invariant of quadruples -- Symplectic approximation theory -- Geometry of covers and quantum noise -- Preliminaries from Morse theory -- An overview of Floer theory -- Constructing subadditive spectral invariants -- Bibliography -- Nomenclature -- Subject index -- Name index -- Back Cover
| Author | : Donald Sarason |
| Publisher | : American Mathematical Society |
| Total Pages | : 177 |
| Release | : 2021-02-16 |
| Genre | : Mathematics |
| ISBN | : 1470463237 |
Complex Function Theory is a concise and rigorous introduction to the theory of functions of a complex variable. Written in a classical style, it is in the spirit of the books by Ahlfors and by Saks and Zygmund. Being designed for a one-semester course, it is much shorter than many of the standard texts. Sarason covers the basic material through Cauchy's theorem and applications, plus the Riemann mapping theorem. It is suitable for either an introductory graduate course or an undergraduate course for students with adequate preparation. The first edition was published with the title Notes on Complex Function Theory.
| Author | : Steven George Krantz |
| Publisher | : American Mathematical Soc. |
| Total Pages | : 586 |
| Release | : 2001 |
| Genre | : Mathematics |
| ISBN | : 0821827243 |
Emphasizing integral formulas, the geometric theory of pseudoconvexity, estimates, partial differential equations, approximation theory, inner functions, invariant metrics, and mapping theory, this title is intended for the student with a background in real and complex variable theory, harmonic analysis, and differential equations.
| Author | : Bowen Kerins |
| Publisher | : American Mathematical Soc. |
| Total Pages | : 218 |
| Release | : 2015-10-15 |
| Genre | : Education |
| ISBN | : 147042195X |
Designed for precollege teachers by a collaborative of teachers, educators, and mathematicians, Famous Functions in Number Theory is based on a course offered in the Summer School Teacher Program at the Park City Mathematics Institute. But this book isn't a "course" in the traditional sense. It consists of a carefully sequenced collection of problem sets designed to develop several interconnected mathematical themes, and one of the goals of the problem sets is for readers to uncover these themes for themselves. Famous Functions in Number Theory introduces readers to the use of formal algebra in number theory. Through numerical experiments, participants learn how to use polynomial algebra as a bookkeeping mechanism that allows them to count divisors, build multiplicative functions, and compile multiplicative functions in a certain way that produces new ones. One capstone of the investigations is a beautiful result attributed to Fermat that determines the number of ways a positive integer can be written as a sum of two perfect squares. Famous Functions in Number Theory is a volume of the book series "IAS/PCMI-The Teacher Program Series" published by the American Mathematical Society. Each volume in that series covers the content of one Summer School Teacher Program year and is independent of the rest. Titles in this series are co-published with the Institute for Advanced Study/Park City Mathematics Institute. Members of the Mathematical Association of America (MAA) and the National Council of Teachers of Mathematics (NCTM) receive a 20% discount from list price.
| Author | : R.E. Greene |
| Publisher | : Springer |
| Total Pages | : 219 |
| Release | : 2006-11-15 |
| Genre | : Mathematics |
| ISBN | : 3540355367 |
| Author | : Konrad Knopp |
| Publisher | : Courier Corporation |
| Total Pages | : 340 |
| Release | : 2013-07-24 |
| Genre | : Mathematics |
| ISBN | : 0486318702 |
Handy one-volume edition. Part I considers general foundations of theory of functions; Part II stresses special and characteristic functions. Proofs given in detail. Introduction. Bibliographies.
| Author | : Reinhold Remmert |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 362 |
| Release | : 2013-03-14 |
| Genre | : Mathematics |
| ISBN | : 1475729561 |
An ideal text for an advanced course in the theory of complex functions, this book leads readers to experience function theory personally and to participate in the work of the creative mathematician. The author includes numerous glimpses of the function theory of several complex variables, which illustrate how autonomous this discipline has become. In addition to standard topics, readers will find Eisenstein's proof of Euler's product formula for the sine function; Wielandts uniqueness theorem for the gamma function; Stirlings formula; Isssas theorem; Besses proof that all domains in C are domains of holomorphy; Wedderburns lemma and the ideal theory of rings of holomorphic functions; Estermanns proofs of the overconvergence theorem and Blochs theorem; a holomorphic imbedding of the unit disc in C3; and Gausss expert opinion on Riemanns dissertation. Remmert elegantly presents the material in short clear sections, with compact proofs and historical comments interwoven throughout the text. The abundance of examples, exercises, and historical remarks, as well as the extensive bibliography, combine to make an invaluable source for students and teachers alike
