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math.GR2024
On Ulam widths of finitely presented infinite simple groups
James Hyde, Yash Lodha
A fundamental notion in group theory, which originates in an article of Ulam and von Neumann from is uniform simplicity. A group is said to be -uniformly simple for $…
math.GR2024★ 1 cited
Displacement techniques in bounded cohomology
Caterina Campagnolo, Francesco Fournier-Facio, Yash Lodha +1
Several algebraic criteria, reflecting displacement properties of transformation groups, have been used in the past years to prove vanishing of bounded cohomology and stable commut…