### Essential ${\mathcal{U}}_{c}^{\kappa}$-type maps and Birkhoff–Kellogg theorems.

Agarwal, R.P., O'Regan, Donal (2004)

Journal of Applied Mathematics and Stochastic Analysis

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Agarwal, R.P., O'Regan, Donal (2004)

Journal of Applied Mathematics and Stochastic 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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Park, Sehie (1997)

International Journal of Mathematics and Mathematical Sciences

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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.

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.

Chen, Chi-Ming, Yen, Chi-Lin (2005)

International Journal of Mathematics and Mathematical Sciences

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Agarwal, Ravi P., Dshalalow, Jewgeni H., O'Regan, Donal (2004)

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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