Set-valued versions of Ky Fan's inequality with application to variational inclusion theory |
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Authors: | Alexandru Kristály |
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Institution: | Faculty of Mathematics and Informatics, Babes-Bolyai University, 3400 Cluj-Napoca, Romania |
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Abstract: | In this paper, we prove two set-valued versions of Ky Fan's minimax inequality. From these results, versions of Schauder's and Kakutani's fixed point theorems can be deduced. We formulate a variational inclusion problem for set-valued maps and a differential inclusion problem, concerning the contingent derivative. Sufficient conditions for the existence of solution for these inclusion problems are obtained, generalizing classical variational inequality problems. |
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