### A sandwich with convexity for set-valued functions.

Sadowska, Elżbieta (1996)

Mathematica Pannonica

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Sadowska, Elżbieta (1996)

Mathematica Pannonica

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Kazimierz Nikodem (1989)

Acta Universitatis Carolinae. Mathematica et Physica

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Nikodem, Kazimierz (2003)

JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]

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Popa, Dorian (1998)

General Mathematics

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Lai-Jiu Lin, Ching-Jung Ko, Sehie Park (1998)

Discussiones Mathematicae, Differential Inclusions, Control and Optimization

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In this paper, a set-valued mapping with G-KKM property is defined and a generalization of minimax theorem for set-valued maps with G-KKM property on generalized convex space is established. As a consequence of this results we verify the coincidence theorem for set-valued maps with G-KKM property on G-convex space. Finally, we apply our results to the best approximation problem and fixed point problem.

Smajdor, Wilhelmina (1998)

Mathematica Pannonica

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Antonella Fiacca, Francesca Papalini (1994)

Aequationes mathematicae

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Zyskowski, Janusz (2015-11-13T12:11:38Z)

Acta Universitatis Lodziensis. Folia Mathematica

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S. Owa, L. Liu, Wancang Ma (1989)

Matematički Vesnik

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Rade Živaljević (1979)

Publications de l'Institut Mathématique

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