NONLOCAL DISSIPATION MEASURE AND L 1 KINETIC THEORY FOR FRACTIONAL CONSERVATION LAWS

Abstract : We introduce a kinetic formulation for scalar conservation laws with nonlocal and nonlinear diffusion terms. We deal with merely L 1 initial data, general self-adjoint pure jump Lévy operators, and locally Lipschitz nonlinearities of porous medium kind possibly strongly degenerate. The cornerstone of the formulation and the uniqueness proof is an adequate explicit representation of the nonlocal dissipation measure. This approach is inspired from the second order theory unlike the cutting technique previously introduced for bounded entropy solutions. The latter technique no longer seems to fit our setting. This is moreover the first time that the more standard and sharper tools of the second order theory are faithfully adapted to fractional conservation laws.
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Submitted on : Friday, October 18, 2019 - 4:51:16 PM
Last modification on : Tuesday, October 22, 2019 - 1:41:41 AM

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  • HAL Id : hal-02320423, version 1
  • ARXIV : 1910.09320

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Nathaël Alibaud, Boris Andreianov, Adama Ouedraogo. NONLOCAL DISSIPATION MEASURE AND L 1 KINETIC THEORY FOR FRACTIONAL CONSERVATION LAWS. 2019. ⟨hal-02320423⟩

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