Rough Approximate subgroups

2022/09/08 by A. Rodriguez Fanlo, Frank Olaf Wagner, Fanlo, A. Rodriguez +1 · 1 citation
Mathematics · Computer Science · #Advanced Topology and Set Theory #Rough Sets and Fuzzy Logic #semigroups and automata theory

paper · pdf · doi:10.48550/arxiv.2209.03529

Abstract

Given a T-rough definably amenable T-rough approximate subgroup A of a group in some first-order structure, there is a type-definable subgroup H normalised by A and contained in A⁴ of bounded index in ⟨ A⟩.

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