Abstract
We analyze random walk in the upper half of a three-dimensional lattice which goes down whenever it encounters a new vertex, a.k.a. excited random walk. We show that it is recurrent with an expected number of returns of √log t.
Original language | English |
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Pages (from-to) | 83-102 |
Number of pages | 20 |
Journal | Probability Theory and Related Fields |
Volume | 140 |
Issue number | 1-2 |
DOIs | |
State | Published - Jan 2008 |
Externally published | Yes |
Funding
Funders | Funder number |
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Directorate for Mathematical and Physical Sciences | 0111298 |