Preface |
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vii | |
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1 Introduction and Preliminaries |
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1 | (39) |
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1.1 Summability of systems of real numbers |
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2 | (2) |
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4 | (2) |
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6 | (3) |
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1.4 Metric spaces and normed vector spaces |
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9 | (8) |
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17 | (2) |
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19 | (5) |
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24 | (11) |
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1.8 Extension of continuous functions |
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35 | (1) |
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36 | (1) |
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1.10 Locally compact spaces |
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37 | (3) |
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2 A Glimpse of Measure and Integration |
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40 | (25) |
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2.1 Families of sets and set functions |
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40 | (3) |
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2.2 Measurable spaces and measurable functions |
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43 | (4) |
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2.3 Measure space and integration |
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47 | (2) |
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2.4 Egoroff theorem and monotone convergence theorem |
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49 | (3) |
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2.5 Concepts related to sets of measure zero |
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52 | (3) |
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2.6 Fatou lemma and Lebesgue dominated convergence theorem |
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55 | (2) |
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2.7 The space Lp(Ω, Σ, μ,) |
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57 | (4) |
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2.8 Miscellaneous remarks |
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61 | (4) |
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3 Construction of Measures |
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65 | (39) |
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65 | (2) |
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3.2 Lebesgue outer measure on R |
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67 | (3) |
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3.3 Σ-algebra of measurable sets |
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70 | (2) |
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3.4 Premeasures and outer measures |
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72 | (8) |
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3.5 Caratheodory measures |
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80 | (2) |
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3.6 Construction of Caratheodory measures |
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82 | (2) |
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3.7 Lebesgue--Stieltjes measures |
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84 | (4) |
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3.8 Borel regularity and Radon measures |
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88 | (1) |
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3.9 Measure-theoretical approximation of sets in Rn |
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89 | (5) |
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94 | (5) |
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3.11 Existence of nonmeasurable sets |
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99 | (1) |
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3.12 The axiom of choice and maximality principles |
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100 | (4) |
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4 Functions of Real Variables |
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104 | (75) |
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104 | (2) |
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4.2 Riemann and Lebesgue integral |
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106 | (4) |
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4.3 Push-forward of measures and distribution of functions |
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110 | (4) |
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4.4 Functions of bounded variation |
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114 | (5) |
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4.5 Riemann-Stieltjes integral |
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119 | (7) |
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4.6 Covering theorems and differentiation |
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126 | (14) |
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4.7 Differentiability of functions of a real variable and related functions |
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140 | (10) |
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4.8 Product measures and Fubini theorem |
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150 | (6) |
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4.9 Smoothing of functions |
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156 | (4) |
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4.10 Change of variables for multiple integrals |
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160 | (8) |
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4.11 Polar coordinates and potential integrals |
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168 | (11) |
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5 Basic Principles of Linear Analysis |
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179 | (47) |
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5.1 The Baire category theorem |
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179 | (5) |
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5.2 The open mapping theorem |
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184 | (1) |
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5.3 The closed graph theorem |
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185 | (2) |
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5.4 Separation principles |
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187 | (9) |
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5.5 Complex form of Hahn--Banach theorem |
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196 | (2) |
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198 | (6) |
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5.7 Lebesgue--Nikodym theorem |
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204 | (3) |
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5.8 Orthonormal families and separability |
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207 | (4) |
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211 | (10) |
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221 | (5) |
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226 | (39) |
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226 | (3) |
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6.2 Signed and complex measures |
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229 | (13) |
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6.3 Linear functionals on Lp |
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242 | (5) |
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6.4 Modular distribution function and Hardy--Littlewood maximal function |
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247 | (5) |
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252 | (6) |
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6.6 The Sobolev space Wk,p(Ω) |
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258 | (7) |
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7 Fourier Integral and Sobolev Space Hs |
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265 | (34) |
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7.1 Fourier integral for L1 functions |
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265 | (9) |
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7.2 Fourier integral on L2 |
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274 | (3) |
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277 | (3) |
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7.4 Weak solutions of the Poisson equation |
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280 | (5) |
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7.5 Fourier integral of probability distributions |
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285 | (14) |
Postscript |
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299 | (2) |
Bibliography |
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301 | (2) |
List of Symbols |
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303 | (4) |
Index |
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307 | |