Autonomous Integral Functionals with Discontinuous Nonconvex Integrands: Lipschitz Regularity of Minimizers, DuBois-Reymond Necessary Conditions, and Hamilton-Jacobi Equations

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dc.creatorMaso, Gianni Dal
dc.creatorFrankowska, Helene
dc.date2002-07-25
dc.date.accessioned2026-07-07T04:49:50Z
dc.date.available2026-07-07T04:49:50Z
dc.descriptionThis paper is devoted to the autonomous Lagrange problem of the calculus of variations with a discontinuous Lagrangian. We prove that every minimizer is Lipschitz continuous if the Lagrangian is coercive and locally bounded. The main difference with respect to the previous works in the literature is that we do not assume that the Lagrangian is convex in the velocity. We also show that, under some additional assumptions, the DuBois-Reymond necessary condition still holds in the discontinuous case. Finally, we apply these results to deduce that the value function of the Bolza problem is locally Lipschitz and satisfies (in a generalized sense) a Hamilton-Jacobi equation.
dc.description29 pages
dc.identifierhttps://arxiv.org/abs/math/0207230
dc.identifierhttp://arxiv.org/abs/math/0207230
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/64580
dc.subjectAnalysis of PDEs
dc.subject49N60; 49K05, 49L25
dc.titleAutonomous Integral Functionals with Discontinuous Nonconvex Integrands: Lipschitz Regularity of Minimizers, DuBois-Reymond Necessary Conditions, and Hamilton-Jacobi Equations
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