A bifurcation theorem of set-contractive maps

zbMath0559.47044MaRDI QIDQ2266221

Qingyu Yu, Jiangang Cheng

Publication date: 1985

Published in: Chinese Annals of Mathematics. Series B (Search for Journal in Brave)

zbMATH Keywords

condensing mapsglobal result on bifurcationmultiplicative formula for topological degree of strictly set-contractive maps

Mathematics Subject Classification ID

Equations involving nonlinear operators (general) (47J05) Contraction-type mappings, nonexpansive mappings, (A)-proper mappings, etc. (47H09) Variational problems in abstract bifurcation theory in infinite-dimensional spaces (58E07)

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