On the number of universal sofic groups

Thomas, Simon

doi:10.1090/S0002-9939-10-10280-9

On the number of universal sofic groups
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Proc. Amer. Math. Soc. 138 (2010), 2585-2590 Request permission

Abstract:

If $CH$ fails, then there exist $2^{2^{\aleph _{0}}}$ universal sofic groups up to isomorphism.

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