Arka Banerjee

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20242026

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math.GR2025

Cyclic orders and actions of Leary--Minasyan groups on coarse $PD (n)$ spaces

Arka Banerjee, Kevin Schreve

We show that for $n \geq 3$ , there are torsion-free CAT(0) groups with visual boundaries that embed into $S^{n}$ but which are not virtually the fundamental group of a compact aspher…

math.MG2025

1-Uryson width and covers

Hannah Alpert, Arka Banerjee, Panos Papasoglu

We investigate the following question: Do there exist Riemannian polyhedra $X$ such that the 1-Uryson width of their universal covers $UW_{1} (X)$ is bounded but…

Cyclic orders and actions of Leary--Minasyan groups on coarse PD(n) spaces

1-Uryson width and covers

Cyclic orders and actions of Leary--Minasyan groups on coarse $PD (n)$ spaces