Ein Abbildungsgrad für approximierbare Operatoren in Banachräumen

DOI10.1007/BF01224961zbMath0417.47026OpenAlexW2911653024MaRDI QIDQ755117

Jürgen Appell

Publication date: 1980

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

Full work available at URL: https://doi.org/10.1007/bf01224961

zbMATH Keywords

fixed pointsmeasure of noncompactnessdegree theorynonlinear operatorcondensing operatorsminimal displacementapproximable operators

Mathematics Subject Classification ID

Fixed-point theorems (47H10) Contraction-type mappings, nonexpansive mappings, (A)-proper mappings, etc. (47H09) Degree, winding number (55M25)

Cites Work

• Unnamed Item
• Punti uniti in trasformazioni a codominio non compatto
• Théorie des points fixes : indice total et nombre de Lefschetz
• A new fixed point theorem and its application
• LIMIT-COMPACT AND CONDENSING OPERATORS

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