This paper studies the structure of the singular set (points of nondifferentiability) of viscosity solutions to Hamilton-Jacobi equations associated with general mechanical systems on the n-torus. First, using the level set method, we characterize the propagation of singularities along generalized characteristics. Then, we obtain a local propagation result for singularities of weak KAM solutions in the supercritical case. Finally, we apply such a result to study the propagation of singularities for barrier functions.
Cannarsa, P., Cheng, W., Zhang, Q. (2014). Propagation of Singularities for Weak KAM Solutions and Barrier Functions. COMMUNICATIONS IN MATHEMATICAL PHYSICS, 331(1), 1-20 [10.1007/s00220-014-2106-x].
Propagation of Singularities for Weak KAM Solutions and Barrier Functions
CANNARSA, PIERMARCO;
2014-01-01
Abstract
This paper studies the structure of the singular set (points of nondifferentiability) of viscosity solutions to Hamilton-Jacobi equations associated with general mechanical systems on the n-torus. First, using the level set method, we characterize the propagation of singularities along generalized characteristics. Then, we obtain a local propagation result for singularities of weak KAM solutions in the supercritical case. Finally, we apply such a result to study the propagation of singularities for barrier functions.File | Dimensione | Formato | |
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