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arXiv 2018-01-05 0 views

Vanishing Viscosity Limits of Scalar Equations with Degenerate Diffusivity

Coclite, Giuseppe · Corli, Andrea · di Ruvo, Lorenzo

Original · EN

We consider a scalar, possibly degenerate parabolic equation with a source term, in several space dimensions. For initial data with bounded variation we prove the existence of solutions to the initial-value problem. Then we show that these solutions converge, in the vanishing-viscosity limit, to the Kruzhkov entropy solution of the corresponding hyperbolic equation. The proof exploits the H-measure compactness in several space dimensions.

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