Birkhoff-Kellogg theorems on invariant directions for multimaps.
Agarwal, Ravi P., O'Regan, Donal (2003)
Abstract and Applied Analysis
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Agarwal, Ravi P., O'Regan, Donal (2003)
Abstract and Applied Analysis
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Kim, In-Sook (2004)
Fixed Point Theory and Applications [electronic only]
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Włodarczyk, Kazimierz, Klim, Dorota (2003)
Abstract and Applied Analysis
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Josef Daneš (1968)
Commentationes Mathematicae Universitatis Carolinae
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Park, Sehie (1997)
International Journal of Mathematics and Mathematical Sciences
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O'Regan, Donal (2006)
Journal of Applied Mathematics and Stochastic Analysis
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Mircea Balaj (2001)
Commentationes Mathematicae Universitatis Carolinae
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We obtain generalizations of the Fan's matching theorem for an open (or closed) covering related to an admissible map. Each of these is restated as a KKM theorem. Finally, applications concerning coincidence theorems and section results are given.