Every Cech-analytic Baire semitopological group is a topological group

Bouziad, Ahmed

doi:10.1090/S0002-9939-96-03384-9

Every Cech-analytic Baire semitopological group is a topological group
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Proc. Amer. Math. Soc. 124 (1996), 953-959 Request permission

Abstract:

Among other things, we prove the assertion given in the title. This solves a problem of Pfister.

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