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16 April 2024

» arxiv » math.OC/9912007

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Remarks regarding the gap between continuous, Lipschitz, and differentiable storage functions for dissipation inequalities appearing in $H_infty$ control
Lionel Rosier ; Eduardo D. Sontag ;
Date:	1 Dec 1999
Subject:	Optimization and Control \| math.OC
Abstract:	This paper deals with the regularity of solutions of the Hamilton-Jacobi Inequality which arises in H-infinity control. It shows by explicit counterexamples that there are gaps between existence of continuous and locally Lipschitz (positive definite and proper) solutions, and between Lipschitz and continuously differentiable ones. On the other hand, it is shown that it is always possible to smooth-out solutions, provided that an infinitesimal increase in gain is allowed.
Source:	arXiv, math.OC/9912007
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