Preface |
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xi | |
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1 | (42) |
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Motivation: Stochastic Differential Equations |
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1 | (8) |
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4 | (1) |
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Ito's Way Out of the Quandary |
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5 | (1) |
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6 | (3) |
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9 | (11) |
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Existence of Wiener Process |
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11 | (3) |
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Uniqueness of Wiener Measure |
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14 | (3) |
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Non-Differentiability of the Wiener Path |
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17 | (1) |
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Supplements and Additional Exercises |
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18 | (2) |
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20 | (23) |
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Filtrations on Measurable Spaces |
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21 | (1) |
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22 | (1) |
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23 | (4) |
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Stopping Times and Stochastic Intervals |
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27 | (2) |
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Some Examples of Stopping Times |
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29 | (3) |
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32 | (1) |
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The Sizes of Random Variables |
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33 | (1) |
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Two Notions of Equality for Processes |
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34 | (2) |
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36 | (7) |
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Integrators and Martingales |
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43 | (44) |
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Step Functions and Lebesgue-Stieltjes Integrators on the Line |
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43 | (3) |
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The Elementary Stochastic Integral |
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46 | (7) |
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Elementary Stochastic Integrands |
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46 | (1) |
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The Elementary Stochastic Integral |
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47 | (1) |
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The Elementary Integral and Stopping Times |
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47 | (2) |
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49 | (2) |
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51 | (2) |
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53 | (5) |
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The Size of an Integrator |
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54 | (2) |
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56 | (1) |
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56 | (2) |
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Path Regularity of Integrators |
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58 | (9) |
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Right-Continuity and Left Limits |
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58 | (3) |
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61 | (1) |
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Redefinition of Integrators |
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62 | (1) |
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63 | (1) |
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Law and Canonical Representation |
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64 | (3) |
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Processes of Finite Variation |
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67 | (4) |
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Decomposition into Continuous and Jump Parts |
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69 | (1) |
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The Change-of-Variable Formula |
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70 | (1) |
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71 | (16) |
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Submartingales and Supermartingales |
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73 | (1) |
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Regularity of the Paths: Right-Continuity and Left Limits |
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74 | (2) |
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76 | (1) |
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Doob's Optional Stopping Theorem |
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77 | (1) |
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Martingales Are Integrators |
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78 | (2) |
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80 | (7) |
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Extension of the Integral |
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87 | (100) |
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Daniell's Extension Procedure on the Line |
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87 | (1) |
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88 | (6) |
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89 | (1) |
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Properties of the Daniell Mean |
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90 | (4) |
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The Integration Theory of a Mean |
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94 | (12) |
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Negligible Functions and Sets |
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95 | (2) |
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Processes Finite for the Mean and Defined Almost Everywhere |
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97 | (2) |
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Integrable Processes and the Stochastic Integral |
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99 | (2) |
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Permanence Properties of Integrable Functions |
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101 | (1) |
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Permanence Under Algebraic and Order Operations |
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101 | (1) |
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Permanence Under Pointwise Limits of Sequences |
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102 | (2) |
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104 | (2) |
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Countable Additivity in p-Mean |
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106 | (4) |
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The Integration Theory of Vectors of Integrators |
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109 | (1) |
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110 | (5) |
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Permanence Under Limits of Sequences |
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111 | (1) |
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Permanence Under Algebraic and Order Operations |
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112 | (1) |
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The Integrability Criterion |
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113 | (1) |
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114 | (1) |
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Predictable and Previsible Processes |
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115 | (8) |
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115 | (3) |
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118 | (1) |
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Predictable Stopping Times |
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118 | (4) |
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Accessible Stopping Times |
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122 | (1) |
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Special Properties of Daniell's Mean |
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123 | (7) |
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123 | (1) |
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Continuity Along Increasing Sequences |
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124 | (1) |
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125 | (3) |
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128 | (1) |
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Stability Under Change of Measure |
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129 | (1) |
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130 | (15) |
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132 | (3) |
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Integration Theory of the Indefinite Integral |
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135 | (2) |
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A General Integrability Criterion |
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137 | (1) |
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Approximation of the Integral via Partitions |
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138 | (2) |
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Pathwise Computation of the Indefinite Integral |
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140 | (4) |
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Integrators of Finite Variation |
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144 | (1) |
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145 | (12) |
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Square Bracket and Square Function of an Integrator |
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148 | (2) |
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The Square Bracket of Two Integrators |
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150 | (3) |
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The Square Bracket of an Indefinite Integral |
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153 | (2) |
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Application: The Jump of an Indefinite Integral |
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155 | (2) |
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157 | (14) |
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The Doleans-Dade Exponential |
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159 | (2) |
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161 | (1) |
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162 | (6) |
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The Stratonovich Integral |
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168 | (3) |
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171 | (16) |
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174 | (1) |
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Law and Canonical Representation |
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175 | (2) |
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Example: Wiener Random Measure |
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177 | (3) |
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Example: The Jump Measure of an Integrator |
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180 | (3) |
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Strict Random Measures and Point Processes |
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183 | (1) |
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Example: Poisson Point Processes |
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184 | (1) |
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The Girsanov Theorem for Poisson Point Processes |
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185 | (2) |
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Control of Integral and Integrator |
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187 | (84) |
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Change of Measure --- Factorization |
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187 | (22) |
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187 | (4) |
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The Main Factorization Theorem |
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191 | (4) |
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195 | (10) |
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205 | (4) |
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209 | (12) |
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209 | (4) |
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The Burkholder-Davis-Gundy Inequalities |
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213 | (3) |
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216 | (2) |
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Martingale Reprsentation on Wiener Space |
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218 | (1) |
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219 | (2) |
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The Doob-Meyer Decomposition |
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221 | (11) |
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Doleans-Dade Measures and Processes |
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222 | (3) |
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Necessity, Uniqueness, and Existence |
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225 | (2) |
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227 | (1) |
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The Previsible Square Function |
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228 | (3) |
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The Doob-Meyer Decomposition of a Random Measure |
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231 | (1) |
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232 | (6) |
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Integrators Are Semimartingales |
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233 | (1) |
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Various Decompositions of an Integrator |
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234 | (4) |
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Previsible Control of Integrators |
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238 | (15) |
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Controlling a Single Integrator |
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239 | (7) |
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Previsible Control of Vectors of Integrators |
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246 | (5) |
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Previsible Control of Random Measures |
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251 | (2) |
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253 | (18) |
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The Levy-Khintchine Formula |
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257 | (4) |
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The Martingale Representation Theorem |
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261 | (4) |
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Canonical Components of a Levy Process |
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265 | (2) |
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Construction of Levy Processes |
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267 | (1) |
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Feller Semigroup and Generator |
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268 | (3) |
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Stochastic Differential Equations |
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271 | (92) |
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271 | (11) |
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First Assumptions on the Data and Definition of Solution |
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272 | (1) |
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Example: The Ordinary Differential Equation (ODE) |
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273 | (5) |
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278 | (2) |
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280 | (2) |
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Existence and Uniqueness of the Solution |
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282 | (16) |
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283 | (2) |
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285 | (4) |
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Existence and Uniqueness of the Solution |
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289 | (4) |
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293 | (3) |
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Differential Equations Driven by Random Measures |
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296 | (1) |
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297 | (1) |
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Stability: Differentiability in Parameters |
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298 | (12) |
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The Derivative of the Solution |
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301 | (2) |
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Pathwise Differentiability |
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303 | (2) |
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305 | (5) |
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Pathwise Computation of the Solution |
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310 | (20) |
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The Case of Markovian Coupling Coefficients |
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311 | (3) |
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The Case of Endogenous Coupling Coefficients |
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314 | (2) |
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316 | (1) |
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317 | (3) |
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The Stratonovich Equation |
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320 | (1) |
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Higher Order Approximation: Obstructions |
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321 | (5) |
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Higher Order Approximation: Results |
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326 | (4) |
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330 | (13) |
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332 | (1) |
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Existence of Weak Solutions |
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333 | (4) |
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337 | (6) |
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343 | (8) |
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Stochastic Flows with a Continuous Driver |
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343 | (3) |
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346 | (1) |
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Markovian Stochastic Flows |
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347 | (2) |
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Markovian Stochastic Flows Driven by a Levy Process |
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349 | (2) |
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Semigroups, Markov Processes, and PDE |
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351 | (12) |
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Stochastic Representation of Feller Semigroups |
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351 | (12) |
Appendix A Complements to Topology and Measure Theory |
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363 | (107) |
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A.1 Notations and Conventions |
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363 | (3) |
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A.2 Topological Miscellanea |
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366 | (25) |
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The Theorem of Stone-Weierstraß |
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366 | (7) |
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Topologies, Filters, Uniformities |
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373 | (3) |
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376 | (1) |
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377 | (2) |
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Topological Vector Spaces |
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379 | (3) |
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The Minimax Theorem, Lemmas of Gronwall and Kolmogoroff |
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382 | (6) |
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388 | (3) |
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A.3 Measure and Integration |
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391 | (30) |
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391 | (1) |
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391 | (3) |
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394 | (4) |
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Order-Continuous and Tight Elementary Integrals |
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398 | (3) |
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Projective Systems of Measures |
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401 | (1) |
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Products of Elementary Integrals |
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402 | (2) |
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Infinite Products of Elementary Integrals |
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404 | (1) |
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Images, Law, and Distribution |
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405 | (1) |
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The Vector Lattice of All Measures |
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406 | (1) |
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407 | (1) |
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Numerical and σ-Finite Measures |
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408 | (1) |
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409 | (4) |
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413 | (1) |
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Liftings, Disintegration of Measures |
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414 | (5) |
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Gaussian and Poisson Random Variables |
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419 | (2) |
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A.4 Weak Convergence of Measures |
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421 | (11) |
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425 | (1) |
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Application: Donsker's Theorem |
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426 | (6) |
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A.5 Analytic Sets and Capacity |
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432 | (8) |
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Applications to Stochastic Analysis |
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436 | (4) |
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Supplements and Additional Exercises |
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440 | (1) |
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A.6 Suslin Spaces and Tightness of Measures |
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440 | (3) |
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440 | (3) |
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A.7 The Skorohod Topology |
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443 | (5) |
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448 | (15) |
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Marcinkiewicz Interpolation |
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453 | (2) |
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Khintchine's Inequalities |
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455 | (3) |
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458 | (5) |
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A.9 Semigroups of Operators |
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463 | (7) |
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463 | (2) |
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465 | (2) |
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The Natural Extension of a Feller Semigroup |
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467 | (3) |
Appendix B Answers to Selected Problems |
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470 | (7) |
References |
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477 | (6) |
Index of Notations |
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483 | (6) |
Index |
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489 | |