Abstract
We consider multidimensional conservation laws perturbed by multiplicative Lévy noise. We establish existence and uniqueness results for entropy solutions. The entropy inequalities are formally obtained by the Itó–Lévy chain rule. The multidimensionality requires a generalized interpretation of the entropy inequalities to accommodate Young measure-valued solutions. We first prove the existence of entropy solutions in the generalized sense via the vanishing viscosity method, and then establish the L1-contraction principle. Finally, the L1 contraction principle is used to argue that the generalized entropy solution is indeed the classical entropy solution.
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