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Definition of a $\psi$-Banach space

The definition makes no sense due to the mixing up of "relatively" (weakly) compact and (not relatively) compact. I guess that what you mean is: $\psi$ is strongly-weakly proper on closed balls (that …
Martin Väth's user avatar
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2 votes

What is your favorite proof of Tychonoff's Theorem?

Wright is particularly nice, because It uses only the definition of compactness and is nevertheless rather short and simple. …
1 vote

Relative compactness in topological spaces (reference request)

Dekker, New York, Basel 1982, in the moment, but this contains quite some results about completion and quasi-compactness. Perhaps it also contains results about the relation to relative compactness. …
Martin Väth's user avatar
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