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arXiv · 1212.0457

An analytic approach to a weak non-Abelian Kneser-type theorem

Tom Sanders
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Abstract

We prove the following result due to Hamidoune using an analytic approach. Suppose that A is a subset of a finite group G with |AA^{-1}| \leq (2-\varepsilon)|A|. Then there is a subgroup H of G and a set X of size O_\varepsilon(1) such that A \subset XH.

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Tom Sanders. 2012-12-03. An analytic approach to a weak non-Abelian Kneser-type theorem. https://arxiv.org/abs/1212.0457

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