Criteria of openness for relations

DOI10.4064/FM-114-3-219-228zbMath0486.54010OpenAlexW793990312MaRDI QIDQ3946772

Marek Wilhelm

Publication date: 1981

Published in: Fundamenta Mathematicae (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/211301

zbMATH Keywords

B-groupsB-complete vector spacesCech-complete spaces and groupsnearly open graph-closed relationsuniformly Cech-complete spaces

Mathematics Subject Classification ID

Special maps on topological spaces (open, closed, perfect, etc.) (54C10) Baire category, Baire spaces (54E52) Open mapping and closed graph theorems; completeness (including (B)-, (B_r)-completeness) (46A30)

Related Items (3)

Topological spaces satisfying a closed graph theorem ⋮ Open mapping theorems in topological spaces ⋮ Unnamed Item

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