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We prove a uniqueness result for BV solutions of scalar conservation laws with discontinuous flux in several space dimensions. The proof is based on the notion of kinetic solution and on a careful analysis of the entropy dissipation along…

Analysis of PDEs · Mathematics 2015-12-10 Graziano Crasta , Virginia De Cicco , Guido De Philippis

In this paper, we discuss the total variation bound for the solution of scalar conservation laws with discontinuous flux. We prove the smoothing effect of the equation forcing the $BV_{loc}$ solution near the interface for $L^\infty$…

Analysis of PDEs · Mathematics 2016-03-07 Shyam Sundar Ghoshal

We study the well-posedness of the Cauchy problem for scalar conservation laws with discontinuous, non-degenerate fluxes. Locally, the fluxes are piecewise smooth across interfaces described by a Heaviside-type discontinuity, with left and…

Analysis of PDEs · Mathematics 2025-10-02 Darko Mitrovic

This article deals with the regularity of the entropy solutions of scalar conservation laws with discontinuous flux. It is well-known [Adimurthi et al., Comm. Pure Appl. Math. 2011] that the entropy solution for such equation does not admit…

Analysis of PDEs · Mathematics 2022-05-23 Shyam Sundar Ghoshal , Stephane Junca , Akash Parmar

We prove the well-posedness of entropy weak solutions for a class of space-discontinuous scalar conservation laws with non-local flux arising in traffic modeling. We approximate the problem adding a viscosity term and we provide $L^\infty$…

Analysis of PDEs · Mathematics 2021-05-24 Felisia Angela Chiarello , Giuseppe Maria Coclite

We prove well-posedness of linear scalar conservation laws using only assumptions on the growth and the modulus of continuity of the velocity field, but not on its divergence. As an application, we obtain uniqueness of solutions in the…

Analysis of PDEs · Mathematics 2017-01-18 Albert Clop , Heikki Jylhä , Joan Mateu , Joan Orobitg

This paper deals with the optimal regularity for entropy solutions of conservation laws. For this purpose, we use two key ingredients: (a) fine structure of entropy solutions and (b) fractional $BV$ spaces. We show that optimality of the…

Analysis of PDEs · Mathematics 2024-03-05 Shyam Sundar Ghoshal , Billel Guelmame , Animesh Jana , Stéphane Junca

We investigate the well-posedness of scalar conservation laws whose flux depends on the solution both pointwise and nonlocally through integral averages. Our analysis is based on a fixed-point formulation, in which the nonlocal dependence…

Analysis of PDEs · Mathematics 2026-04-13 Xiaoqian Gong , Alexander Keimer , Lorenzo Liverani , Hossein Nick Zinat Matin

The initial boundary value problem for a class of scalar non autonomous conservation laws in one space dimension is proved to be well posed and stable with respect to variations in the flux. Targeting applications to traffic, the regularity…

Analysis of PDEs · Mathematics 2018-03-14 Rinaldo M. Colombo , Elena Rossi

We consider nonlinear scalar conservation laws posed on a network. We establish $L^1$ stability, and thus uniqueness, for weak solutions satisfying the entropy condition. We apply standard finite volume methods and show stability and…

Numerical Analysis · Mathematics 2021-02-15 Ulrik Skre Fjordholm , Markus Musch , Nils Henrik Risebro

We prove the stability with respect to the flux of solutions to initial-boundary value problems for scalar non-autonomous conservation laws in one space dimension. Key estimates are obtained through a careful construction of the solutions.

Analysis of PDEs · Mathematics 2019-06-12 Rinaldo M. Colombo , Elena Rossi

Let a 1-d system of hyperbolic conservation laws, with two unknowns, be endowed with a convex entropy. We consider the family of small $BV$ functions which are global solutions of this equation. For any small $BV$ initial data, such global…

Analysis of PDEs · Mathematics 2022-11-07 Geng Chen , Sam G. Krupa , Alexis F. Vasseur

We investigate the regularity of bounded weak solutions of scalar conservation laws with uniformly convex flux in space dimension one, satisfying an entropy condition with entropy production term that is a signed Radon measure. The proof is…

Analysis of PDEs · Mathematics 2014-10-28 François Golse , Benoît Perthame

We study nonlocal conservation laws with a discontinuous flux function of regularity $\mathsf{L}^{\infty}(\mathbb{R})$ in the spatial variable and show existence and uniqueness of weak solutions in…

Analysis of PDEs · Mathematics 2021-10-22 Alexander Keimer , Lukas Pflug

We continue the development of the theory of pathwise stochastic entropy solutions for scalar conservation laws in $\R^N$ with quasilinear multiplicative ''rough path'' dependence by considering inhomogeneous fluxes and a single rough path…

Analysis of PDEs · Mathematics 2014-04-07 Pierre-Louis Lions , Benoit Perthame , Panagiotis E. Souganidis

We prove the existence of a weak solution to a two-dimensional resonant 3x3 system of conservation laws with BV initial data. Due to possible resonance (coinciding eigenvalues), spatial BV estimates are in general not available. Instead, we…

Analysis of PDEs · Mathematics 2007-05-23 Kenneth H. Karlsen , Michel Rascle , Eitan Tadmor

In this paper we deal with the regularizing effect that, in a scalar conservation laws in one space dimension, the nonlinearity of the flux function $f$ has on the entropy solution. More precisely, if the set $\{w:f''(w)\ne 0\}$ is dense,…

Analysis of PDEs · Mathematics 2018-12-18 Elio Marconi

Stochastic non-local conservation law equation in the presence of discontinuous flux functions is considered in an $L^{1}\cap L^{2}$ setting. The flux function is assumed bounded and integrable (spatial variable). Our result is to prove…

Analysis of PDEs · Mathematics 2019-04-17 Christian Olivera

We prove that adapted entropy solutions of scalar conservation laws with discontinuous flux are stable with respect to changes in the flux under the assumption that the flux is strictly monotone in u and the spatial dependency is piecewise…

Numerical Analysis · Mathematics 2020-08-20 Adrian Montgomery Ruf

In this article we prove convergence of the Godunov scheme of [16] for a scalar conservation law in one space dimension with a spatially discontinuous flux. There may be infinitely many flux discontinuities, and the set of discontinuities…

Analysis of PDEs · Mathematics 2020-11-24 Shyam Sundar Ghoshal , John D. Towers , Ganesh Vaidya
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