Category Archives: Spaces

Invariant objects on compact groups

Posted on October 7, 2011 by xchenn

A compact space may not be 2nd countable, e.g. an uncountable space with finite-complement topology. If a compact hausdorff space is 2nd countable, then it is a Polish space, namely, a seperable complete metric space. All Polish spaces are Borel isomorphic. In … Continue reading →

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