Existence Theorem for the Discontinuous Generalized Quasivariational Inequality Problem |
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Authors: | Cubiotti P |
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Institution: | (1) Department of Mathematics, University of Messina, Messina, Italy |
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Abstract: | We consider the following generalized quasivariational inequality problem: given a real Banach space E with topological dual E* and given two multifunctions G:X 2
X
and F:X 2
E
*, find
such thatWe prove an existence theorem where F is not assumed to have any continuity or monotonicity property. Making use of a different technical construction, our result improves some aspects of a recent existence result (Theorem 3.1 of Ref. 1). In particular, the coercivity assumption of this latter result is weakened meaningfully. |
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Keywords: | Generalized quasivariational inequalities affine hulls lower semicontinuity Hausdorff lower semicontinuity fixed points |
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