Advances in Differential Equations

Metric formulae for nonconvex Hamilton--Jacobi equations and applications

A. Marigonda and A. Siconolfi

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Abstract

We consider the Hamilton-Jacobi equation $H(x,Du)=0$ in $\mathbb R^n$, with $H$ not enjoying any convexity properties in the second variable. Our aim is to establish existence and nonexistence theorems for viscosity solutions of associated Dirichlet problems, find representation formulae and prove comparison principles. Our analysis is based on the introduction of a metric intrinsically related to the $0$--sublevels of the Hamiltonian, given by an inf-sup game theoretic formula. We also study the case where the equation is critical; i.e., $H(x,Du)= - \varepsilon$ does not admit any viscosity subsolution, for $\varepsilon >0$.

Article information

Source
Adv. Differential Equations Volume 16, Number 7/8 (2011), 691-724.

Dates
First available in Project Euclid: 17 December 2012

Permanent link to this document
https://projecteuclid.org/euclid.ade/1355703203

Mathematical Reviews number (MathSciNet)
MR2829501

Zentralblatt MATH identifier
1235.49059

Subjects
Primary: 49L25: Viscosity solutions

Citation

Marigonda, A.; Siconolfi, A. Metric formulae for nonconvex Hamilton--Jacobi equations and applications. Adv. Differential Equations 16 (2011), no. 7/8, 691--724. https://projecteuclid.org/euclid.ade/1355703203.


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