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Contraction property for large perturbations of shocks of the barotropic Navier-Stokes system

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arxiv 1712.07348 v2 pith:HFP5MYVJ submitted 2017-12-20 math.AP

classification math.AP
keywords barotropiccontractionnavier-stokespropertyequationlargea-contractionauthors
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This paper is dedicated to the construction of a pseudo-norm, for which small shock profiles of the barotropic Navier-Stokes equation have a contraction property. This contraction property holds in the class of any large 1D weak solutions to the barotropic Navier-Stokes equation. It implies a stability condition which is independent of the strength of the viscosity. The proof is based on the relative entropy method, and is reminiscent to the notion of a-contraction first introduced by the authors in the hyperbolic case.

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  1. Inviscid limit to the shock waves for the fractal Burgers equation

    math.AP 2019-08 conditional novelty 6.0 of 10

    For fractional Laplacian order 1 < alpha < 2, solutions of the scaled fractal Burgers equation converge in L^2 to the entropy shock, with a shift and a convergence rate that tends to zero.

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