Mathematical Proceedings of the Cambridge Philosophical Society · 1970 · 16 citations · 5 references
Natural SciencesMathematicsSet TheoryFixed Point TheoryFixed PointsMappingMetric GeometryExistence Of Fixed PointsFixed Point PropertyLefschetz DualityLefschetz Fixed Point Theorem
By a multi-valued map from a space X to a space Y we mean a map which assigns to each point x in X a non-empty subset F(x) of Y . When X = Y , a point x in X is a fized point for F if x is in F(x) .
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On a generalization of the Schauder fixed point theorem
Felix E. Browder · Duke Mathematical Journal · 1959 · 160 citations
The Vietoris Mapping Theorem for Bicompact Spaces
E. G. Begle · Annals of Mathematics · 1950 · 95 citations