Nontrivial homeomorphisms of Čech-Stone remainders

Published 8 Sep 2016 in math.LO and math.OA | (1609.02616v1)

Abstract: We study the group of automorphisms of certain corona C*-algebras. As a corollary of a more general C*-algebraic result, we show that, under the Continuum Hypothesis, $\beta X\setminus X$ has nontrivial homeomorphisms, whenever $X$ is a noncompact locally compact metrizable manifold.

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Alessandro Vignati

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