Introduction |
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ix | (2) |
Preliminaries |
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xi | |
1. Conventions |
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xi | (1) |
2. Notation |
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xi | (1) |
3. Pre-requisities in point set topology (Chapters 1-6) |
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xi | (1) |
4. Pre-requisities in measure theory (Chapters 7-12) |
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xii | (1) |
5. Subadditive sequences |
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xiii | (1) |
6. References |
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xiii | |
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Chapter 1. Examples and basic properties |
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1 | (10) |
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1 | (1) |
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2 | (2) |
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1.3. Other characterizations of transitivity |
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4 | (1) |
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1.4. Transitivity for subshifts of finite type |
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5 | (1) |
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1.5. Minimality and the Birkhoff recurrence theorem |
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6 | (2) |
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1.6. Commuting homeomorphisms |
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8 | (1) |
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1.7. Comments and references |
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9 | (2) |
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Chapter 2. An application of recurrence to arithmetic progressions |
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11 | (8) |
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2.1. Van der Waerden's theorem |
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11 | (1) |
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12 | (3) |
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2.3. The proofs of Sulemma 2.2.2 and Sublemma 2.2.3 |
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15 | (2) |
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2.4. Comments and references |
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17 | (2) |
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Chapter 3. Topological entropy |
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19 | (14) |
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19 | (4) |
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3.2. The Perron-Frobenius theorem and subshifts of finite type |
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23 | (3) |
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3.3. Other definitions and examples |
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26 | (4) |
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30 | (2) |
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3.5. Comments and references |
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32 | (1) |
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33 | (14) |
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4.1. Fixed points and periodic points |
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33 | (4) |
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4.2. Topological entropy of interval maps |
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37 | (2) |
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39 | (5) |
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4.4. Comments and references |
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44 | (3) |
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Chapter 5. Hyperbolic toral automorphisms |
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47 | (10) |
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47 | (2) |
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5.2. Entropy for Hyperbolic Toral Automorphisms |
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49 | (3) |
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5.3. Shadowing and semi-conjugacy |
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52 | (3) |
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5.4. Comments and references |
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55 | (2) |
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Chapter 6. Rotation numbers |
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57 | (8) |
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6.1. Homeomorphisms of the circle and rotation numbers |
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57 | (3) |
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60 | (4) |
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6.3. Comments and references |
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64 | (1) |
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Chapter 7. Invariant measures |
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65 | (8) |
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7.1. Definitions and characterization of invariant measures |
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65 | (1) |
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7.2. Borel sigma-algebras for compact metric spaces |
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65 | (2) |
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7.3. Examples of invariant measures |
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67 | (2) |
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7.4. Invariant measures for other actions |
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69 | (2) |
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7.5. Comments and references |
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71 | (2) |
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Chapter 8. Measure theoretic entropy |
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73 | (18) |
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8.1. Partitions and conditional expectations |
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73 | (3) |
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8.2. The entropy of a partition |
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76 | (3) |
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8.3. The entropy of a transformation |
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79 | (3) |
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8.4. The increasing martingale theorem |
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82 | (2) |
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8.5. Entropy and sigma algebras |
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84 | (2) |
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86 | (1) |
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8.7. Proofs of Lemma 8.7 and Lemma 8.8 |
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87 | (1) |
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88 | (1) |
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8.9. Comments and references |
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89 | (2) |
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Chapter 9. Ergodic measures |
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91 | (8) |
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9.1. Definitions and characterization of ergodic measures |
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91 | (1) |
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9.2. Poincare recurrence and Kac's theorem |
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91 | (2) |
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9.3. Existence of ergodic measures |
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93 | (1) |
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9.4. Some basic constructions in ergodic theory |
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94 | (3) |
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95 | (1) |
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9.4.2. Induced transformations and Rohlin towers |
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95 | (1) |
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9.4.3. Natural extensions |
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96 | (1) |
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9.5. Comments and references |
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97 | (2) |
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Chapter 10. Ergodic theorems |
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99 | (14) |
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10.1. The Von Neumann ergodic theorem |
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99 | (3) |
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10.2. The Birkhoff theorem (for ergodic measures) |
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102 | (4) |
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10.3. Applications of the ergodic theorems |
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106 | (5) |
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10.4. The Birkhoff theorem (for invariant measures) |
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111 | (1) |
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10.5. Comments and references |
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112 | (1) |
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Chapter 11. Mixing Properties |
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113 | (12) |
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113 | (1) |
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11.2. A density one convergence characterization of weak mixing |
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114 | (2) |
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11.3. A generalization of the Von Neumann ergodic theorem |
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116 | (2) |
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11.4. The spectral viewpoint |
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118 | (2) |
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11.5. Spectral characterization of weak mixing |
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120 | (2) |
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122 | (1) |
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11.7. Comments and reference |
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123 | (2) |
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Chapter 12. Statistical properties in ergodic theory |
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125 | (14) |
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12.1. Exact endomorphisms |
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125 | (1) |
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12.2. Statistical properties of piecewise expanding Markov maps |
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126 | (7) |
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12.3. Rohlin's entropy formula |
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133 | (1) |
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12.4. The Shannon-McMillan-Brieman theorem |
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134 | (3) |
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12.5. Comments and references |
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137 | (2) |
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Chapter 13. Fixed points for homeomorphisms of the annulus |
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139 | (8) |
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13.1. Fixed points for the annulus |
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139 | (5) |
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13.2. Outline proof of Brouwer's theorem |
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144 | (2) |
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13.3. Comments and references |
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146 | (1) |
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Chapter 14. The variational principle |
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147 | (6) |
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14.1. The variational principle for entropy |
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147 | (1) |
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14.2. The proof of the variational principle |
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147 | (5) |
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14.3. Comments and reference |
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152 | (1) |
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Chapter 15. Invariant measures for commuting transformations |
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153 | (8) |
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15.1. Furstenberg's conjecture and Rudolph's theorem |
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153 | (1) |
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15.2. The proof of Rudolph's theorem |
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153 | (6) |
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15.3. Comments and references |
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159 | (2) |
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Chapter 16. Multiple recurrence and Szemeredi's theorem |
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161 | (16) |
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16.1. Szemeredi's theorem on arithmetic progressions |
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161 | (1) |
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16.2. An ergodic proof of Szemeredi's theorem |
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162 | (1) |
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16.3. The proof of Theorem 16.2 |
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163 | (3) |
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16.3.1. (UMR) for weak-mixing systems, weak-mixing extensions and compact systems |
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163 | (2) |
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16.3.2. The non-weak-mixing case |
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165 | (1) |
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16.3.3. (UMR) for compact extensions |
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165 | (1) |
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165 | (1) |
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16.4. Appendix to section 16.3 |
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166 | (10) |
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16.4.1. The proofs of Propositions 16.3 and 16.4 |
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166 | (5) |
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16.4.2. The proof of Proposition 16.5 |
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171 | (1) |
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16.4.3. The proof of Proposition 16.6 |
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171 | (1) |
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16.4.4. The proof of Proposition 16.7 |
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172 | (1) |
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16.4.5. The proof of Proposition 16.8 |
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173 | (2) |
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16.4.6. The proof of Proposition 16.9 |
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175 | (1) |
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16.5. Comments and references |
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176 | (1) |
Index |
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177 | |