Displaying similar documents to “Ultrafilter spaces and compactifications.”

H-closed functions

Filippo Cammaroto, Vitaly V. Fedorcuk, Jack R. Porter (1998)

Commentationes Mathematicae Universitatis Carolinae

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The notion of a Hausdorff function is generalized to the concept of H-closed function and the concept of an H-closed extension of a Hausdorff function is developed. Each Hausdorff function is shown to have an H-closed extension.

Neighborhood spaces.

Kent, D.C., Min, Won Keun (2002)

International Journal of Mathematics and Mathematical Sciences

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