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ISBN:9787040286960

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简介

本书是天元基金影印数学丛书之一,是作者在莫斯科国立大学数学力学系的讲稿基础上编写而成的。全面丰富地阐述了现代侧度论的基本理论,不要求读者从头到尾系统阅读,特别,补充内容几乎与各章节彼此无关,主要针对那些对测度论有兴趣深入了解的研究生、侧度论和积分理论课程的教师,以及数学各领域的研究人员。全书共分两卷。第一卷包括通常侧度论教材中的内容:侧度的构造与延拓,Lebesgue积分的定义及基本性质,Jordan分解,Radon-Nikodym定理,Fourier变换,卷积,L(p)空间,侧度空间,Newton-Leibniz公式,极大函数,Henstock-Kurzweil积分等。每章最后都附有非常丰富的补充习题(篇幅占全书的一半),其中包含许多有用的知识,例如:Whitney分解,Lebesgue-Stieltjes积分,Hausdorff侧度,Brunn-Minkowski不等式,Hellinger积分与Hellinger距离,BMO类,Calderon-Zygmund分解等。另外,书的最后有详尽的参考文献及历史注记。北京大学陈天权教授评价此书“这是一本很好的研究生教材和教学参考书”。本书可作为高等学校数学类专业本科高年级和研究生的教材或预习课程的材料,也可供相关科学工作者参考。

目录

  Preface
  Chapter 1 Constructions and extensions of measures
   1.1 Measurement of length: introductory remarks
   1.2 Algebras and σ-algebras
   1.3 Additivity and countable additivity of measures
   1.4 Compact classes and countable additivity
   1.5 Outer measure and the Lebesgue extension of measures
   1.6 Infinite and a-finite measures
   1.7 Lebesgue measure
   1.8 Lebesgue-Stieltjes measures
   1.9 Monotone and σ-additive classes of sets
   1.10 Souslin sets and the A-operation
   1.11 Caratheodory outer measures
   1.12 Supplements and exercises
   Set operations (48) Compact classes (50) Metric Boolean algebra (53).Measurable envelope, measurable kernel and inner measure (56).Extensions of measures (58) Some interesting sets (61) Additive, but not countably additive measures (67) Abstract inner measures (70).Measures on lattices of sets (75) Set-theoretic problems in measure theory (77) Invariant extensions of Lebesgue measure (80) Whitney's decomposition (82) Exercises (83)
  Chapter 2 The Lebesgue integral
   2.1 Measurable functions
   2.2 Convergence in measure and almost everywhere
   2.3 The integral for simple functions
   2.4 The general definition of the Lebesgue integral
   2.5 Basic properties of the integral
   2.6 Integration with respect to infinite measures
   2.7 The completeness of the space L1
   2.8 Convergence theorems
   2.9 Criteria of integrability
   2.10 Connections with the Riemann integral
   2.11 The HSlder and Minkowski inequalities
   2.12 Supplements and exercises
   The a-algebra generated by a class of functions (143) Borel mappings on IRn (145) The functional monotone class theorem (146) Baire classes of functions (148) Mean value theorems (150) The Lebesgue-Stieltjes integral (152) Integral inequalities (153) Exercises (156)
  Chapter 3 Operations on measures and functions
   3.1 Decomposition of signed measures
   3.2 The Radon-Nikodym theorem
   3.3 Products of measure spaces
   3.4 Fubini's theorem
   3.5 Infinite products of measures
   3.6 Images of measures under mappings
   3.7 Change of variables in IRn
   3.8 The Fourier transform
   3.9 Convolution
   3.10 Supplements and exercises
   On Fubini's theorem and products of σ-algebras (209) Steiner's symmetrization (212) Hausdorff measures (215) Decompositions of set functions (218) Properties of positive definite functions (220).The Brunn-Minkowski inequality and its generalizations (222).Mixed volumes (226) The Radon transform (227) Exercises (228)
  Chapter 4 The spaces Lp and spaces of measures
   4.1 The spaces Lp
   4.2 Approximations in Lp
   4.3 The Hilbert space L2
   4.4 Duality of the spaces Lp
   4.5 Uniform integrability
   4.6 Convergence of measures
   4.7 Supplements and exercises
   The spaces Lp and the space of measures as structures (277) The weak topology in LP(280) Uniform convexity of LP(283) Uniform integrability and weak compactness in L1 (285) The topology of setwise convergence of measures (291) Norm compactness and approximations in Lp (294).Certain conditions of convergence in Lp (298) Hellinger's integral and ellinger's distance (299) Additive set functions (302) Exercises (303)
  Chapter 5 Connections between the integral and derivative
   5.1 Differentiability of functions on the real line
   5.2 Functions of bounded variation
   5.3 Absolutely continuous functions
   5.4 The Newton-Leibniz formula
   5.5 Covering theorems
   5.6 The maximal function
   5.7 The Henstock-Kurzweil integral
   5.8 Supplements and exercises
   Covering theorems (361) Density points and Lebesgue points (366).Differentiation of measures on IRn (367) The approximate continuity (369) Derivates and the approximate differentiability (370).The class BMO (373) Weighted inequalities (374) Measures with the doubling property (375) Sobolev derivatives (376) The area and coarea formulas and change of variables (379) Surface measures (383).The Calder6n-Zygmund decomposition (385) Exercises (386)
  Bibliographical and Historical Comments
  References
  Author Index
  Subject Index
  

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