Set-valued transformations of the unit sphere

DOI10.1007/BF00398148zbMath0595.47040MaRDI QIDQ1077699

Mario Martelli, Gilles Fournier

Publication date: 1985

Published in: Letters in Mathematical Physics (Search for Journal in Brave)

zbMATH Keywords

fixed point propertyupper semicontinuous multivalued, condensing mapping

Mathematics Subject Classification ID

Monotone operators and generalizations (47H05) Set-valued maps in general topology (54C60) Fixed-point theorems (47H10) Contraction-type mappings, nonexpansive mappings, (A)-proper mappings, etc. (47H09)

Related Items (2)

New results in the theory of multivalued mappings. I: Topological characteristics and solvability of operator relations ⋮ Positive eigenvectors of wedge maps

Cites Work

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