Essential -type maps and Birkhoff–Kellogg theorems.
Agarwal, R.P., O'Regan, Donal (2004)
Journal of Applied Mathematics and Stochastic Analysis
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Displaying similar documents to “Birkhoff-Kellogg theorems on invariant directions for multimaps.”
Essential -type maps and Birkhoff–Kellogg theorems.
Fixed points of condensing multivalued maps in topological vector spaces.
Kim, In-Sook (2004)
Fixed Point Theory and Applications [electronic only]
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Fixed-point and coincidence theorems for set-valued maps with nonconvex or noncompact domains in topological vector spaces.
Włodarczyk, Kazimierz, Klim, Dorota (2003)
Abstract and Applied Analysis
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Extensions of best approximation and coincidence theorems.
Park, Sehie (1997)
International Journal of Mathematics and Mathematical Sciences
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Admissible maps, intersection results, coincidence theorems
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.
A fixed point theorem in a Hausdorff topological vector space
Won Kyu Kim (1995)
Commentationes Mathematicae Universitatis Carolinae
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In this paper, we will give a new fixed point theorem for lower semicontinuous multimaps in a Hausdorff topological vector space.
Fixed point theorems for the class .
Chen, Chi-Ming, Yen, Chi-Lin (2005)
International Journal of Mathematics and Mathematical Sciences
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A Furi-Pera theorem in Hausdorff topological spaces for acyclic maps.
Agarwal, Ravi P., Dshalalow, Jewgeni H., O'Regan, Donal (2004)
International Journal of Mathematics and Mathematical Sciences
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Multivalued -essential maps of acyclic type on Hausdorff topological spaces.
O'Regan, Donal (2006)
Journal of Applied Mathematics and Stochastic Analysis
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