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pro vyhledávání: '"Prabduh Ram Misra"'
Autor:
Prabduh Ram Misra, Vinodkumar
Publikováno v:
International Journal of Mathematics and Mathematical Sciences, Vol 4, Iss 2, Pp 407-409 (1981)
It is proved here that a completely regular Hausdorff space X is pseudocompact if and only if for any continuous function f from X to a pseudocompact space (or a compact space) Y, f*ϕ is z-ultrafilter whenever ϕ is a z-ultrafilter on X.
Externí odkaz:
https://doaj.org/article/89aa66dd2a134dd0b4675ca9804fe522