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Students preparing for courses in real analysis often encounter either very exacting theoretical treatments or books without enough rigor to stimulate an in-depth understanding of the subject. Further complicating this, the field has not changed much over the past 150 years, prompting few authors to address the lackluster or overly complex dichotomy existing among the available texts. The enormously popular first edition of Real Analysis and Foundations gave students the appropriate combination of authority, rigor, and readability that made the topic accessible while retaining the strict discourse necessary to advance their understanding. The second edition maintains this feature while further integrating new concepts built on Fourier analysis and ideas about wavelets to indicate their application to the theory of signal processing. The author also introduces relevance to the material and surpasses a purely theoretical treatment by emphasizing the applications of real analysis to concrete engineering problems in higher dimensions. Expanded and updated, this text continues to build upon the foundations of real analysis to present novel applications to ordinary and partial differential equations, elliptic boundary value problems on the disc, and multivariable analysis. These qualities, along with more figures, streamlined proofs, and revamped exercises make this an even more lively and vital text than the popular first edition.
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Dieses Lehrbuch der Maß- und Integrationstheorie vermittelt dem Leser ein solides Basiswissen, wie es für weite Bereiche der Mathematik unerläßlich ist, insbesondere für reelle Analysis, Funktionalanalysis, Wahrscheinlichkeitstheorie und mathematische Statistik. Thematische Schwerpunkte sind Produktmaße, Fourier-Transformation, Transformationsformel, Konvergenzbegriffe, absolute Stetigkeit und Maße auf topologischen Räumen. Höhepunkt ist die Herleitung des Rieszschen Darstellungssatzes mit Hilfe eines Fortsetzungsresultats von Kisynski und der Beweis der Existenz und Eindeutigkeit des Haarschen Maßes. Der Text wird aufgelockert durch mathematikhistorische Ausflüge und Kurzporträts von Mathematikern, die zum Thema des Buches wichtige Beiträge geliefert haben. Eine Vielzahl von Übungsaufgaben vertieft den Stoff. Aus den Rezensionen: "... In diesem Buch wird die Maß- und Integrationstheorie als ein zentrales Gebiet der Mathematik dargestellt, das insbesondere für die Funktionalanalysis und die Stochastik unentbehrlich ist; es hat daher zu Recht seinen Platz in der Reihe 'Grundwissen Mathematik'. Vor allem für denjenigen, der über Grundkenntnisse bereits verfügt, ist es eine Quelle der Anregung und Bereicherung." (Zentralblatt für Mathematik und ihre Grenzgebiete, 861 (1997), 148-149) "... Das Buch ... zeugt von großer Lehrerfahrung des Autors. Es ist flüssig geschrieben, vermittelt solides Grundwissen und enthält viele Beispiele und Übungsaufgaben. Deshalb kann ich es Mathematik-Studenten aller Richtungen (einschließlich Lehramtskandidaten) zum Gebrauch neben der Vorlesung nachdrücklich empfehlen." (Zeitschrift für Analysis und ihre Anwendungen 16 (1997), 493-494).
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Calculus of variations --- Fourier series --- Functions of real variables --- 517.1
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Functions of complex variables --- Functions of complex variables. --- Complex variables --- Elliptic functions --- Functions of real variables --- Calculus
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This book gives a comprehensive introduction to complex analysis in several variables. It clearly focusses on special topics in complex analysis rather than trying to encompass as much material as possible. Many cross-references to other parts of mathematics, such as functional analysis or algebras, are pointed out in order to broaden the view and the understanding of the chosen topics. A major focus is extension phenomena alien to the one-dimensional theory, which are expressed in the famous Hartog's Kugelsatz, the theorem of Cartan-Thullen, and Bochner's theorem. The book primarily aims at students starting to work in the field of complex analysis in several variables and teachers who want to prepare a course. To that end, a lot of examples and supporting exercises are inserted throughout the text, which will help students to become acquainted with the subject.
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Various generalizations of the classical concept of a convex function have been introduced, especially during the second half of the 20th century. Generalized convex functions are the many nonconvex functions which share at least one of the valuable properties of convex functions. Apart from their theoretical interest, they are often more suitable than convex functions to describe real-word problems in disciplines such as economics, engineering, management science, probability theory and in other applied sciences. More recently, generalized monotone maps which are closely related to generalized convex functions have also been studied extensively. While initial efforts to generalize convexity and monotonicity were limited to only a few research centers, today there are numerous researchers throughout the world and in various disciplines engaged in theoretical and applied studies of generalized convexity/monotonicity (see http://www.genconv.org). The Handbook offers a systematic and thorough exposition of the theory and applications of the various aspects of generalized convexity and generalized monotonicity. It is aimed at the non-expert, for whom it provides a detailed introduction, as well as at the expert who seeks to learn about the latest developments and references in his research area. Results in this fast growing field are contained in a large number of scientific papers which appeared in a variety of professional journals, partially due to the interdisciplinary nature of the subject matter. Each of its fourteen chapters is written by leading experts of the respective research area starting from the very basics and moving on to the state of the art of the subject. Each chapter is complemented by a comprehensive bibliography which will assist the non-expert and expert alike.
Convex functions. --- Monotonic functions. --- Functions, Monotonic --- Functions of real variables --- Functions, Convex --- Convex functions --- Monotonic functions --- Mathematics. --- Real Functions. --- Game Theory, Economics, Social and Behav. Sciences. --- Operations Research, Management Science. --- Math --- Science --- Functions of real variables. --- Game theory. --- Operations research. --- Management science. --- Games, Theory of --- Theory of games --- Mathematical models --- Mathematics --- Real variables --- Functions of complex variables --- Quantitative business analysis --- Management --- Problem solving --- Operations research --- Statistical decision --- Operational analysis --- Operational research --- Industrial engineering --- Management science --- Research --- System theory
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This monograph examines and develops the Global Smoothness Preservation Property (GSPP) and the Shape Preservation Property (SPP) in the field of interpolation of functions. The study is developed for the univariate and bivariate cases using well-known classical interpolation operators of Lagrange, Grünwald, Hermite-Fejér and Shepard type. One of the first books on the subject, it presents interesting new results along with an excellent survey of past research. Key features include: - potential applications to data fitting, fluid dynamics, curves and surfaces, engineering, and computer-aided geometric design - presents recent work featuring many new interesting results as well as an excellent survey of past research - many interesting open problems for future research presented throughout the text - includes 20 very suggestive figures of nine types of Shepard surfaces concerning their shape preservation property - generic techniques of the proofs allow for easy application to obtaining similar results for other interpolation operators This unique, well-written text is best suited to graduate students and researchers in mathematical analysis, interpolation of functions, pure and applied mathematicians in numerical analysis, approximation theory, data fitting, computer-aided geometric design, fluid mechanics, and engineering researchers.
Interpolation. --- Functions. --- Global analysis (Mathematics) --- Analysis (Mathematics) --- Differential equations --- Mathematical analysis --- Mathematics --- Numbers, Complex --- Set theory --- Calculus --- Approximation theory --- Numerical analysis --- Analysis, Global (Mathematics) --- Differential topology --- Functions of complex variables --- Geometry, Algebraic --- Numerical analysis. --- Operator theory. --- Functions of complex variables. --- Mathematics. --- Engineering mathematics. --- Numerical Analysis. --- Operator Theory. --- Functions of a Complex Variable. --- Approximations and Expansions. --- Real Functions. --- Mathematical and Computational Engineering. --- Engineering --- Engineering analysis --- Math --- Science --- Complex variables --- Elliptic functions --- Functions of real variables --- Functional analysis --- Approximation theory. --- Functions of real variables. --- Applied mathematics. --- Real variables --- Theory of approximation --- Functions --- Polynomials --- Chebyshev systems
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Complex geometry studies (compact) complex manifolds. It discusses algebraic as well as metric aspects. The subject is on the crossroad of algebraic and differential geometry. Recent developments in string theory have made it an highly attractive area, both for mathematicians and theoretical physicists. The author’s goal is to provide an easily accessible introduction to the subject. The book contains detailed accounts of the basic concepts and the many exercises illustrate the theory. Appendices to various chapters allow an outlook to recent research directions. Daniel Huybrechts is currently Professor of Mathematics at the University Denis Diderot in Paris.
Geometry, Differential. --- Geometry, Algebraic. --- Manifolds (Mathematics) --- Geometry, Differential --- Topology --- Algebraic geometry --- Geometry --- Differential geometry --- Geometry, Algebraic --- 512.7 --- 512.7 Algebraic geometry. Commutative rings and algebras --- Algebraic geometry. Commutative rings and algebras --- Geometry, algebraic. --- Functions of complex variables. --- Algebraic Geometry. --- Functions of a Complex Variable. --- Complex variables --- Elliptic functions --- Functions of real variables --- Komplexe Geometrie. --- Complexe manifolds. --- Algebraïsche meetkunde. --- Algebraic geometry.
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This volume is dedicated to the fundamentals of convex functional analysis. It presents those aspects of functional analysis that are extensively used in various applications to mechanics and control theory. The purpose of the text is essentially two-fold. On the one hand, a bare minimum of the theory required to understand the principles of functional, convex and set-valued analysis is presented. Numerous examples and diagrams provide as intuitive an explanation of the principles as possible. On the other hand, the volume is largely self-contained. Those with a background in graduate mathematics will find a concise summary of all main definitions and theorems. Contents: Classical Abstract Spaces in Functional Analysis Linear Functionals and Linear Operators Common Function Spaces in Applications Differential Calculus in Normed Vector Spaces Minimization of Functionals Convex Functionals Lower Semicontinuous Functionals.
Functional analysis. --- Convex functions. --- Mathematical optimization. --- Existence theorems. --- Differential equations --- Mathematical physics --- Optimization (Mathematics) --- Optimization techniques --- Optimization theory --- Systems optimization --- Mathematical analysis --- Maxima and minima --- Operations research --- Simulation methods --- System analysis --- Functions, Convex --- Functions of real variables --- Functional calculus --- Calculus of variations --- Functional equations --- Integral equations --- System theory. --- Systems Theory, Control. --- Systems, Theory of --- Systems science --- Science --- Philosophy --- Systems theory.
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This volume is dedicated to the memory of the outstanding mathematician S.Ya. Khavinson. It begins with an expository paper by V.P. Havin presenting a comprehensive survey of Khavinson's works as well as certain biographical material. The complete bibliography following this paper has not previously been published anywhere. It consists of 163 items; a considerable part of these cannot be found in easily accessible sources. The book also contains a series of photographs and twelve original peer-reviewed research and expository papers by leading mathematicians worldwide, including the joint paper by S.Ya. Khavinson and T.S. Kuzina (the last publication of S.Ya. Khavinson). The main topics covered are extremal problems for various classes of functions, approximation problems, Cauchy integral and analytic capacity, Cantor sets, meromorphic functions (value distribution, quasinormal families), Carathéodory inequality, integral representation of functions, and the shift operator. The book is suitable for graduate students and researchers interested in analysis.
Functions of complex variables. --- Mathematical analysis. --- Khavinson, S. I͡A. --- Complex variables --- Elliptic functions --- Functions of real variables --- 517.1 Mathematical analysis --- Mathematical analysis --- Khavinson, Semen Yakovlevich --- Khavinson, S. Ya. --- Khavinson, Semyon Yakovlevich --- Mathematics. --- Operator theory. --- Functions of a Complex Variable. --- Approximations and Expansions. --- Operator Theory. --- Functional analysis --- Math --- Science --- Approximation theory. --- Theory of approximation --- Functions --- Polynomials --- Chebyshev systems --- Khavinson, S. I︠A︡.
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