A multiplicity result for a special class of gradient-type systems with non-differentiable term |
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| Authors: | Brigitte E Breckner Alexandru Horváth Csaba Varga |
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| Institution: | 1. Faculty of Mathematics and Computer Science, Babe?-Bolyai University, Str. M. Kog?lniceanu nr. 1, 400084 Cluj-Napoca, Romania;2. Department of Mathematics and Computer Science, Petru Maior University, Str. N. Iorga 1, 540088 Târgu Mure?, Romania |
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| Abstract: | We prove the existence of multiple solutions of certain systems of hemivariational inequalities, using a recent minimax result of B. Ricceri. We apply both our main theorem and the principle of symmetric criticality to obtain multiple solutions of systems of hemivariational inequalities defined on certain Sobolev spaces. |
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| Keywords: | 47J20 49J52 |
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