Tomer Zimhoni

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math.GR2025

Retraction Theorems for Group Compactifications

Yair Hartman, Aranka Hrušková, Mehrdad Kalantar +1

We characterize group compactifications of discrete groups for which there exists an equivariant retraction onto the boundary. In particular, we prove an equivariant analogue of Br…

math.GR2022

Local Statistics of Random Permutations from Free Products

Doron Puder, Tomer Zimhoni

Let $α$ and $β$ be uniformly random permutations of orders $2$ and $3$ , respectively, in $S_{N}$ , and consider, say, the permutation $α β α β^{- 1}$ . How many fixed points does this ra…