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Kaleidoscopical configurations in groups

Journal: Matematychni Studii (Vol.36, No. 2)

Publication Date:

Authors : ; ;

Page : 115-118

Keywords : kaleidoscopical configuration; T-sequence; rigid subset;

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Abstract

A subset $A$ of a group $G$ is called a kaleidoscopical configuration if there exists a surjective coloring $chicolon Xrightarrow kappa$ such that the restriction $chi|gA$ is a bijection for each $gin G$. We give two topological constructions of kaleidoscopical configurations and show that each infinite subset of an Abelian group contains an infinite kaleidoscopical configuration.

Last modified: 2014-01-13 20:02:12