| Título: | Hausdorff Dimension of Cut Points for Brownian Motion |
| Autores: | Lawler, Gregory F.; Duke University and Cornell University |
| Fecha: | 1996-01-01 |
| Publicador: | Electronic journal of probability |
| Fuente: |
 |
| Tipo: |
Peer-reviewed Article |
| Tema: |
Mathematics Brownian motion,Hausdorff dimension, cut points, intersection exponent 60J65 |
| Descripción: | Let $B$ be a Brownian motion in $R^d$, $d=2,3$. A time $t\in [0,1]$ is called a cut time for $B[0,1]$ if $B[0,t) \cap B(t,1] = \emptyset$. We show that the Hausdorff dimension of the set of cut times equals $1 - \zeta$, where $\zeta = \zeta_d$ is the intersection exponent. The theorem, combined with known estimates on $\zeta_3$, shows that the percolation dimension of Brownian motion (the minimal Hausdorff dimension of a subpath of a Brownian path) is strictly greater than one in $R^3$. |
| Idioma: | Inglés |
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