Log-concavity in planar random walks
Combinatorics
2023-05-11 v2 Probability
Abstract
We prove log-concavity of exit probabilities of lattice random walks in certain planar regions.
Cite
@article{arxiv.2106.10640,
title = {Log-concavity in planar random walks},
author = {Swee Hong Chan and Igor Pak and Greta Panova},
journal= {arXiv preprint arXiv:2106.10640},
year = {2023}
}
Comments
10 pages, 5 figures. The proof is somewhat expanded. Details, new figure and additional references added. To appear in Combinatorica