On the connection of degree theory and 0-epi maps

DOI10.1006/jmaa.2000.7346zbMath1021.47028OpenAlexW2006374507WikidataQ57363477 ScholiaQ57363477MaRDI QIDQ5937238

Martin Väth

Publication date: 20 October 2003

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1006/jmaa.2000.7346

zbMATH Keywords

degree theorycondinsing operatorsHopf's theoremzero-epi maps

Mathematics Subject Classification ID

Contraction-type mappings, nonexpansive mappings, (A)-proper mappings, etc. (47H09) Degree theory for nonlinear operators (47H11)

Related Items (7)

Perturbation theorems for positive eigenvalues of countably condensing maps ⋮ Positive eigenvalues of countably contractive maps ⋮ Coepi maps and generalizations of the Hopf extension theorem. ⋮ Some remarks on measures of noncompactness and retractions onto spheres ⋮ A generalization of Krasnoselskii's eigenvalue theorem ⋮ On the domain invariance of countably condensing vector fields ⋮ A characterization of 0-epi maps with a degree

Cites Work

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• TOPOLOGICAL METHODS IN THE FIXED-POINT THEORY OF MULTI-VALUED MAPS
• Coincidence Points of Function Pairs Based on Compactness Properties
• An axiomatic approach to a coincidence index for noncompact function pairs

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