Lyapunov pairs for multi-valued semi-linear evolutions |
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Authors: | Ovidiu Câ rj? |
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Affiliation: | Department of Mathematics, University “Al. I. Cuza”, Ia?i 700506, Romania “Octav Mayer” Mathematics Institute, Romanian Academy, Ia?i 700501, Romania |
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Abstract: | We give here a characterization of a Lyapunov pair for a multi-valued semi-linear evolution equation on a Banach space by means of an appropriate lower contingent derivative. The contingent derivative introduced in this paper is related to a new concept of tangency introduced recently in [O. Cârj?, M. Necula, I.I. Vrabie, Necessary and sufficient conditions for viability for semilinear differential inclusions, Trans. Amer. Math. Soc. 361 (2009) 343-390]. As an application, we give a controllability result and a Lipschitz estimate of the corresponding minimum time function under a Petrov-like condition. |
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Keywords: | 37B25 47J35 93B05 49L20 |
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