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CODING SUBSET SHIFT BY SUBGROUP CONJUGACY

Published online by Cambridge University Press:  21 December 2000

SU GAO
Affiliation:
Department of Mathematics, California Institute of Technology, Pasadena, CA 91125, USA; e-mail: sugao@its.caltech.edu
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Abstract

We present a Borel reduction from a subset shift equivalence relation of a countable group to a subgroup conjugacy relation of a free product. The technique gives a much shorter proof of an earlier result of Thomas and Velickovic.

Type
NOTES AND PAPERS
Copyright
© The London Mathematical Society 2000

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