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math.GR2026
Nonsofic wreath products of residually finite groups
Gabor Kun, Andreas Thom
This work builds on the breakthrough of OpenAI in finding the first nonsofic group. We analyze the underlying proof mechanism and find further applications. Let be such that…
math.GR2019★ 1 cited
Inapproximability of actions and Kazhdan's property (T)
Gabor Kun, Andreas Thom
Let G be a countable group with Kazhdan property (T) and let G be a finitely generated group. We prove that if a sofic approximation of G x D has the property that its spanning sub…