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arxiv: 1301.7718 · v1 · pith:QOGFYICZnew · submitted 2013-01-31 · 🧮 math.NT

Small doubling in groups

classification 🧮 math.NT
keywords casedoublingfamousfreiman--ruzsagroupgroupspropertysets
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Let A be a subset of a group G = (G,.). We will survey the theory of sets A with the property that |A.A| <= K|A|, where A.A = {a_1 a_2 : a_1, a_2 in A}. The case G = (Z,+) is the famous Freiman--Ruzsa theorem.

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