Homotopy and epi maps

DOI10.1007/S000130050423zbMath0949.47040OpenAlexW2049005102MaRDI QIDQ1969092

Donal O'Regan

Publication date: 29 November 2000

Published in: Archiv der Mathematik (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s000130050423

zbMATH Keywords

Fréchet spacesVietoris mapnonlinear operator inclusionset measure of noncompactnessball measure of noncompactnessexistence principles of coincidence type

Mathematics Subject Classification ID

Set-valued maps in general topology (54C60) Fixed-point theorems (47H10) Set-valued operators (47H04) Fixed-point and coincidence theorems (topological aspects) (54H25) Contraction-type mappings, nonexpansive mappings, (A)-proper mappings, etc. (47H09)

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