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  • Inequality problems of quasi-hemivariational type involving set-valued operators and a nonlinear term
    Costea, Nicuşor ; Rǎdulescu, Vicenţiu, 1958-
    The aim of this paper is to establish the existence of at least one solution for a general inequality of quasi-hemivariational type, whose solution is sought in a subset ▫$K$▫ of a real Banach space ... ▫$E$▫. First, we prove the existence of solutions in the case of compact convex subsets and the case of bounded closed and convex subsets. Finally, the case when ▫$K$▫ is the whole space is analyzed and necessary and sufficient conditions for the existence of solutions are stated. Our proofs rely essentially on the Schauder's fixed point theorem and a version of the KKM principle due to Ky Fan (Math Ann 266:519-537, 1984).
    Source: Journal of global optimization. - ISSN 0925-5001 (Vol. 52, no. 4, 2012, str. 743-756)
    Type of material - article, component part
    Publish date - 2012
    Language - english
    COBISS.SI-ID - 16252505

source: Journal of global optimization. - ISSN 0925-5001 (Vol. 52, no. 4, 2012, str. 743-756)

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