scientific article; zbMATH DE number 3992404

zbMath0613.54011MaRDI QIDQ4720382

Mohan L. Tikoo

Publication date: 1985

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zbMATH Keywords

regular filterH-closed extensionsopen filterssemiregular spacesFomin extensionssemi-regularized Fomin (or Katětov) extensionset of free open ultrafilters

Mathematics Subject Classification ID

Special maps on topological spaces (open, closed, perfect, etc.) (54C10) ``(P)-minimal and ``(P)-closed spaces (54D25) Extensions of spaces (compactifications, supercompactifications, completions, etc.) (54D35) Cardinality properties (cardinal functions and inequalities, discrete subsets) (54A25) Extremally disconnected spaces, (F)-spaces, etc. (54G05)

Related Items (3)

On open ultrafilters and maximal points ⋮ The Alexandroff one-point compactification as a prototype for extensions ⋮ Embeddings in the upper Stone-Čech compactification

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