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Preface | p. ix |
Introduction | p. 1 |
Basic definitions | p. l |
Continuous-time random walk | p. 6 |
Other lattices | p. 7 |
Other walks | p. 11 |
Generator | p. 11 |
Filtrations and strong Markov property | p. 14 |
A word about constants | p. 17 |
Local central limit theorem | p. 21 |
Introduction | p. 21 |
Characteristic functions and LCLT | p. 25 |
Characteristic functions of random variables in Rd | p. 25 |
Characteristic functions of random variables in Zd | p. 27 |
LCLT - characteristic function approach | p. 28 |
Exponential moments | p. 46 |
Some corollaries of the LCLT | p. 51 |
LCLT - combinatorial approach | p. 58 |
Stirling's formula and one-dimensional walks | p. 58 |
LCLT for Poisson and continuous-time walks | p. 64 |
Approximation by Brownian motion | p. 72 |
Introduction | p. 72 |
Construction of Brownian motion | p. 74 |
Skorokhod embedding | p. 79 |
Higher dimensions | p. 82 |
An alternative formulation | p. 84 |
The Green's function | p. 87 |
Recurrence and transience | p. 87 |
The Green's generating function | p. 88 |
The Green's function, transient case | p. 95 |
Asymptotics under weaker assumptions | p. 99 |
Potential kernel | p. 101 |
Two dimensions | p. 101 |
Asymptotics under weaker assumptions | p. 107 |
One dimension | p. 109 |
Fundamental solutions | p. 113 |
The Green's function for a set | p. 114 |
One-dimensional walks | p. 123 |
Gambler's ruin estimate | p. 123 |
General case | p. 127 |
One-dimensional killed walks | p. 135 |
Hitting a half-line | p. 138 |
Potential theory | p. 144 |
Introduction | p. 144 |
Dirichlet problem | p. 146 |
Difference estimates and Harnack inequality | p. 152 |
Further estimates | p. 160 |
Capacity, transient case | p. 166 |
Capacity in two dimensions | p. 176 |
Neumann problem | p. 186 |
Beurling estimate | p. 189 |
Eigenvalue of a set | p. 194 |
Dyadic coupling | p. 205 |
Introduction | p. 205 |
Some estimates | p. 207 |
Quantile coupling | p. 210 |
The dyadic coupling | p. 213 |
Proof of Theorem 7.1.1 | p. 216 |
Higher dimensions | p. 218 |
Coupling the exit distributions | p. 219 |
Additional topics on simple random walk | p. 225 |
Poisson kernel | p. 225 |
Half space | p. 226 |
Cube | p. 229 |
Strips and quadrants in Z2 | p. 235 |
Eigenvalues for rectangles | p. 238 |
Approximating continuous harmonic functions | p. 239 |
Estimates for the ball | p. 241 |
Loop measures | p. 247 |
Introduction | p. 247 |
Definitions and notations | p. 247 |
Simple random walk on a graph | p. 251 |
Generating functions and loop measures | p. 252 |
Loop soup | p. 257 |
Loop erasure | p. 259 |
Boundary excursions | p. 261 |
Wilson's algorithm and spanning trees | p. 268 |
Examples | p. 271 |
Complete graph | p. 271 |
Hypercube | p. 272 |
Sierpinski graphs | p. 275 |
Spanning trees of subsets of Z2 | p. 277 |
Gaussian free field | p. 289 |
Intersection probabilities for random walks | p. 297 |
Long-range estimate | p. 297 |
Short-range estimate | p. 302 |
One-sided exponent | p. 305 |
Loop-erased random walk | p. 307 |
h-processes | p. 307 |
Loop-erased random walk | p. 311 |
LERW in Zd | p. 313 |
d≥3 | p. 314 |
d=2 | p. 315 |
Rate of growth | p. 319 |
Short-range intersections | p. 323 |
Appendix | p. 326 |
Some expansions | p. 326 |
Riemann sums | p. 326 |
Logarithm | p. 327 |
Martingales | p. 331 |
Optional sampling theorem | p. 332 |
Maximal inequality | p. 334 |
Continuous martingales | p. 336 |
Joint normal distributions | p. 337 |
Markov chains | p. 339 |
Chains restricted to subsets | p. 342 |
Maximal coupling of Markov chains | p. 346 |
Some Tauberian theory | p. 351 |
Second moment method | p. 353 |
Subadditivity | p. 354 |
Bibliography | p. 360 |
Index of Symbols | p. 361 |
Index | p. 363 |
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The Used, Rental and eBook copies of this book are not guaranteed to include any supplemental materials. Typically, only the book itself is included. This is true even if the title states it includes any access cards, study guides, lab manuals, CDs, etc.