


本书是实分析方面的经典教材,多次更版,被全球高校广泛采用。本书由具体到抽象,先以欧氏空间切入,再推广至一般空间,涵盖了测度论、积分论、度量、拓扑、Hilbert空间和Banach空间等现代分析学的核心内容。本书的整体风格与前序各版本一致,但是在保持严谨性和逻辑性的基础上,对一些章节的顺序进行了调整。全书的内容由原来的三部分变成四部分,第一部分为“一元实变量函数的Lebesgue积分”,第二部分为“测度与积分:一般理论”,第三部分为“抽象空间:度量空间、拓扑空间、Banach空间和Hilbert空间”,第四部分为“测度与拓扑:不变测度”,重新调整后的内容更符合学生的理解习惯。本书论述清晰、论证精炼,简化关键引理与定理的证明,兼顾理论深度与教学适用性,既可以作为具备数学分析基础的高年级本科生与研究生的分析学课程教材,也可供相关研究者参考。
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前言
PART ONE LEBESGUE INTEGRATION FOR FUNCTIONS OF A SINGLE REAL VARIABLE
Preliminaries on Sets, Mappings, and Relations
UNIONS AND INTERSECTIONS OF SETS
EQUIVALENCE RELATIONS, THE AXIOM OF CHOICE, AND ZORN'S LEMMA
CHAPTER 1 The Real Numbers: Sets, Sequences, and Functions
1.1 THE FIELD, POSITIVITY, AND COMPLETENESS AXIOMS
1.2 THE NATURAL AND RATIONAL NUMBERS
1.3 COUNTABLE AND UNCOUNTABLE SETS
1.4 OPEN SETS, CLOSED SETS, AND BOREL SETS OF REAL NUMBERS
1.5 SEQUENCES OF REAL NUMBERS
1.6 CONTINUOUS REAL-VALUED FUNCTIONS OF A REAL VARIABLE
CHAPTER 2 Lebesgue Measure
2.1 INTRODUCTION
2.2 OUTER-MEASURE
2.3 THE σ-ALGEBRA OF LEBESGUE MEASURABLE SETS
2.4 FINER PROPERTIES OF MEASURABLE SETS
2.5 COUNTABLE ADDITIVITY AND CONTINUITY OF MEASURE, AND THE
2.6 VITALI'S EXAMPLE OF A NON-MEASURABLE SET
2.7 THE CANTOR SET AND THE CANTOR-LEBESGUE FUNCTION
CHAPTER 3 Lebesgue Measurable Functions
3.1 SUMS, PRODUCTS, AND COMPOSITIONS
3.2 SEQUENTIAL POINTWISE LIMITS AND SIMPLE APPROXIMATION
3.3 LITTLEWOOD'S THREE PRINCIPLES, EGOROFF'S THEOREM, AND LUSIN'S THEOREM
CHAPTER 4 Lebesgue Integration
4.1 COMMENTS ON THE RIEMANN INTEGRAL
4.2 THE INTEGRAL OF A BOUNDED, FINITELY SUPPORTED, MEASURABLE FUNCTION
4.3 THE INTEGRAL OF A NON-NEGATIVE MEASURABLE FUNCTION
4.4 THE GENERAL LEBESGUE INTEGRAL
4.5 COUNTABLE ADDITIVITY AND CONTINUITY OF INTEGRATION
CHAPTER 5 Lebesgue Integration: Further Topics
5.1 UNIFORM INTEGRABILITY AND TIGHTNESS: THE VITALI CONVERGENCETHEOREMS
5.2 CONVERGENCE IN THE MEAN AND IN MEASURE: A THEOREM OF RIESZ
5.3 CHARACTERIZATIONS OF RIEMANN AND LEBESGUE INTEGRABILITY
CHAPTER 6 Differentiation and Integration
6.1 CONTINUITY OF MONOTONE FUNCTIONS
6.2 DIFFERENTIABILITY OF MONOTONE FUNCTIONS: LEBESGUE'S THEOREM
6.3 FUNCTIONS OF BOUNDED VARIATION: JORDAN'S THEOREM
6.4 ABSOLUTELY CONTINUOUS FUNCTIONS
6.5 INTEGRATING DERIVATIVES: DIFFERENTIATING INDEFINITE INTEGRALS
6.6 MEASURABILITY: IMAGES OF SETS, COMPOSITIONS OF FUNCTIONS
6.7 CONVEX FUNCTIONS
CHAPTER 7 The Lp Spaces: Completeness and Approximation
7.1 NORMED LINEAR SPACES
7.2 THE INEQUALITIES OF YOUNG, HÖLDER, AND MINKOWSKI
7.3 Lp IS COMPLETE: RAPIDLY CAUCHY SEQUENCES AND THE RIESZ-FISCHERTHEOREM
7.4 APPROXIMATION AND SEPARABILITY
CHAPTER 8 The LpSpaces: Duality, Weak Convergence, and Minimization
8.1 BOUNDED LINEAR FUNCTIONALS ON A NORMED LINEAR SPACE
8.2 THE RIESZ REPRESENTATION THEOREM FOR THE DUAL OF Lp, 1≤p<∞
8.3 WEAK SEQUENTIAL CONVERGENCE IN Lp
8.4 THE MINIMIZATION OF CONVEX FUNCTIONALS
PART TWO MEASURE AND INTEGRATION: GENERAL THEORY
CHAPTER 9 General Measure Spaces: Their Properties and Construction
9.1 MEASURABLE SETS AND MEASURE SPACES
9.2 MEASURES INDUCED BY AN OUTER-MEASURE
9.3 THE CARATHÉODORY-HAHN THEOREM
CHAPTER 10 Particular Measures
10.1 LEBESGUE MEASURE ON EUCLIDEAN SPACE
10.2 LEBESGUE MEASURABILITY AND MEASURE OF IMAGES OF MAPPINGS
10.3 BOREL MEASURES ON RnAND REGULARITY
10.4 CARATHÉODORY OUTER-MEASURES AND HAUSDORFF MEASURES
10.5 SIGNED MEASURES: THE HAHN AND JORDAN DECOMPOSITIONS
CHAPTER 11 Integration over General Measure Spaces
11.1 MEASURABLE FUNCTIONS: THE EGOROFF AND LUSIN THEOREMS AND SEQUENTIAL APPROXIMATION
11.2 INTEGRATION OF NON-NEGATIVE MEASURABLE FUNCTIONS: FATOU'S LEMMA, THE MONOTONE CONVERGENCE THEOREM, AND BEPPO LEVI'S THEOREM
11.3 INTEGRATION OF GENERAL MEASURABLE FUNCTIONS: THE DOMINATED CONVERGENCE THEOREM AND THE VITALI CONVERGENCE THEOREM
11.4 THE RADON-NIKODYM THEOREM
11.5 PRODUCT MEASURES: THE TONELLI AND FUBINI THEOREMS
11.6 PRODUCTS OF LEBESGUE MEASURE ON EUCLIDEAN SPACES: CAVALIERI'S PRINCIPLE
CHAPTER 12 General Lp Spaces: Completeness, Convolution, and Duality
12.1 THE SPACES Lp(X, µ), 1≤p≤∞
12.2 CONVOLUTION, SMOOTH APPROXIMATION, AND A SMOOTH URYSOHN'S LEMMA
12.3 THE RIESZ REPRESENTATION THEOREM FOR THE DUAL OF Lp(X, µ), 1≤p<∞
12.4 WEAK SEQUENTIAL COMPACTNESS IN Lp(X, µ), 1<p<∞
12.5 THE KANTOROVITCH REPRESENTATION THEOREM FOR THE DUAL OFL∞(X, µ)
PART THREE ABSTRACT SPACES: METRIC, TOPOLOGICAL, BANACH, AND HILBERT SPACES
CHAPTER 13 Metric Spaces: General Prop erties
13.1 EXAMPLES OF METRIC SPACES
13.2 OPEN SETS, CLOSED SETS, AND CONVERGENT SEQUENCES
13.3 CONTINUOUS MAPPINGS BETWEEN METRIC SPACES
13.4 COMPLETE METRIC SPACES
13.5 COMPACT METRIC SPACES
13.6 SEPARABLE METRIC SPACES: ULAM'S REGULARITY THEOREM
CHAPTER 14 Metric Spaces: Three Fundamental Theorems and Applications
14.1 THE ARZELÀ-ASCOLI THEOREM
14.2 THE BANACH CONTRACTION PRINCIPLE AND PICARD'S THEOREM
14.3 THE BAIRE CATEGORY THEOREM
14.4 THE NIKODYM METRIC SPACE: THE VITALI-HAHN-SAKS THEOREM AND THE DUNFORD-PETTIS THEOREM
CHAPTER 15 Topological Spaces: General Prop erties
15.1 OPEN SETS, CLOSED SETS, BASES, AND SUBBASES
15.2 THE SEPARATION PROPERTIES
15.3 COUNTABILITY AND SEPARABILITY
15.4 CONTINUOUS MAPPINGS, WEAK TOPOLOGIES, AND METRIZABILITY
15.5 COMPACT TOPOLOGICAL SPACES
15.6 CONNECTED TOPOLOGICAL SPACES
CHAPTER 16 Topological Spaces: Three Fundamental Theorems
16.1 URYSOHN'S LEMMA AND THE TIETZE EXTENSION THEOREM
16.2 THE TYCHONOFF PRODUCT THEOREM
16.3 THE STONE-WEIERSTRASS THEOREM
CHAPTER 17 Continuous Linear Operators Between Banach Spaces
17.1 NORMED LINEAR SPACES
17.2 LINEAR OPERATORS
17.3 COMPACTNESS LOST: INFINITE DIMENSIONAL NORMED LINEAR SPACES
17.4 THE OPEN MAPPING AND CLOSED GRAPH THEOREMS
17.5 THE UNIFORM BOUNDEDNESS PRINCIPLE
CHAPTER 18 Duality for Normed Linear Spaces
18.1 LINEAR FUNCTIONALS, BOUNDED LINEAR FUNCTIONALS, AND WEAK TOPOLOGIES
18.2 THE HAHN-BANACH THEOREM
18.3 REFLEXIVE BANACH SPACES AND WEAK SEQUENTIAL CONVERGENCE
18.4 LOCALLY CONVEX TOPOLOGICAL VECTOR SPACES
18.5 THE SEPARATION OF CONVEX SETS AND MAZUR'S THEOREM
18.6 THE KREIN-MILMAN THEOREM
CHAPTER 19 Compactness Regained: The Weak Topology
19.1 ALAOGLU'S EXTENSION OF HELLY'S THEOREM
19.2 REFLEXIVITY AND WEAK COMPACTNESS: KAKUTANI'S THEOREM
19.3 COMPACTNESS AND WEAK SEQUENTIAL COMPACTNESS: THE EBERLEIN-■THEOREM
19.4 METRIZABILITY OF WEAK TOPOLOGIES
CHAPTER 20 Continuous Linear Operators on Hilbert Spaces
20.1 THE INNER-PRODUCT AND ORTHOGONALITY
20.2 SEPARABILITY, BESSEL'S INEQUALITY, AND ORTHONORMAL BASES
20.3 THE DUAL SPACE AND WEAK SEQUENTIAL COMPACTNESS
20.4 SYMMETRIC OPERATORS
20.5 COMPACT OPERATORS
20.6 THE HILBERT-SCHMIDT THEOREM
20.7 THE RIESZ-SCHAUDER THEOREM: CHARACTERIZATION OF FREDHOLM OPERATORS
PART FOUR MEASURE AND TOPOLOGY: INVARIANT MEASURES
CHAPTER 21 Measure and Topology
21.1 LOCALLY COMPACT TOPOLOGICAL SPACES
21.2 SEPARATING SETS AND EXTENDING FUNCTIONS
21.3 THE CONSTRUCTION OF RADON MEASURES
21.4 THE REPRESENTATION OF POSITIVE LINEAR FUNCTIONALS ON Cc(X): THE RIESZ-MARKOV THEOREM
21.5 THE REPRESENTATION OF THE DUAL OF C(X): THE RIESZ-KAKUTANI THEOREM
21.6 REGULARITY PROPERTIES OF BAIRE MEASURES
CHAPTER 22 Invariant Measures
22.1 TOPOLOGICAL GROUPS: THE GENERAL LINEAR GROUP
22.2 KAKUTANI'S FIXED-POINT THEOREM
22.3 INVARIANT BOREL MEASURES ON COMPACT GROUPS: VON NEUMANN'S THEOREM
22.4 MEASURE PRESERVING TRANSFORMATIONS AND ERGODICITY
Bibliography
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