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20242026
most citedGraphical models for topological groups: A case study on countable Stone spaces

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math.GT2026

Mapping class groups have a unique Polish group structure

Tyrone Ghaswala, Sumun Iyer, Robert Alonzo Lyman +1

We prove that mapping class groups of surfaces and of locally finite connected graphs support a unique Polish group structure.

math.GT2025

Conformal dimension bounds for certain Coxeter group Bowditch boundaries

Elizabeth Field, Radhika Gupta, Robert Alonzo Lyman +1

We give upper and lower bounds on the conformal dimension of the Bowditch boundary of a Coxeter group with defining graph a complete graph and edge labels at least three. The lower…