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Triangles in Cartesian Squares of Quasirandom Groups
Published online by Cambridge University Press: 25 August 2016
Abstract
We prove that triangular configurations are plentiful in large subsets of Cartesian squares of finite quasirandom groups from classes having the quasirandom ultraproduct property, for example the class of finite simple groups. This is deduced from a strong double recurrence theorem for two commuting measure-preserving actions of a minimally almost periodic (not necessarily amenable or locally compact) group on a (not necessarily separable) probability space.
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- Copyright © Cambridge University Press 2016
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