On the number of countably compact group
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Artur Hideyuki Tomita
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Article
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1999
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Elsevier Science
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English
β 88 KB
We show under MA(Ο -centered) the existence of at least (2 Ο ) + non-homeomorphic topological group topologies on the free Abelian group of size 2 Ο which make it countably compact and separable. In particular, under GCH the maximum possible number of such topologies is attained. As a corollary, we