Inductively Perfect Maps and Tri-Quotient Maps

DOI10.2307/2044328zbMath0463.54013OpenAlexW4230738265MaRDI QIDQ3914045

Ernest Michael

Publication date: 1981

Full work available at URL: https://doi.org/10.2307/2044328

zbMATH Keywords

preimageseparable metric spacesinductively perfect mapstri-quotient mapcountable compact-covering mapsimple compactness properties

Mathematics Subject Classification ID

Special maps on topological spaces (open, closed, perfect, etc.) (54C10) Selections in general topology (54C65)

Related Items (7)

Countable-compact-covering maps and compact-covering maps ⋮ Compact-covering-properties of finite-to-one mappings ⋮ A non-separable Christensen's theorem and set tri-quotient maps ⋮ On the widest class of completeness-preserving covering maps ⋮ Some conditions under which tri-quotient or compact-covering maps are inductively perfect ⋮ Convergence-theoretic characterizations of compactness ⋮ Triquotient and inductively perfect maps

Cites Work

• Complete spaces and tri-quotient maps
• A theorem on semi-continuous set-valued functions
• Continuous selections and countable sets
• Shorter Notes: A Theorem on Perfect Maps

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