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In this paper, we show that the entropy solution of a scalar conservation law is - continuous outside a $1$-rectifiable set $\Xi$, - up to a $\mathcal H^1$ negligible set, for each point $(\bar t,\bar x) \in \Xi$ there exists two regions…

Analysis of PDEs · Mathematics 2014-09-02 Stefano Bianchini , Lei Yu

[Note: Currently the proof is incomplete as we are using the lemma 3.2 which is not true in general]. We offer a complete resolution of a conjecture by Lions-Perthame-Tadmor mentioned in their celebrated work (1994, [34]). We prove the…

Analysis of PDEs · Mathematics 2019-01-03 Shyam Sundar Ghoshal , Animesh Jana

We obtain several new regularity results for solutions of scalar conservation laws satisfying the genuine nonlinearity condition. We prove that the solutions are continuous outside of the jump set, which is codimension one rectifiable. We…

Analysis of PDEs · Mathematics 2018-06-12 Luis Silvestre

We prove the SBV regularity of the characteristic speed of the scalar hyperbolic conservation law and SBV-like regularity of the eigenvalue functions of the Jacobian matrix of flux function for general systems of conservation laws. More…

Analysis of PDEs · Mathematics 2012-02-14 Stefano Bianchini , Lei Yu

This paper deals with the derivation of entropy solutions to Cauchy problems for a class of scalar conservation laws with space-density depending fluxes from systems of deterministic particles of follow-the-leader type. We consider fluxes…

Analysis of PDEs · Mathematics 2019-05-24 Marco Di Francesco , Graziano Stivaletta

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

In this paper we establish well-posedness for scalar conservation laws on closed manifolds M endowed with a constant or a time-dependent Riemannian metric for initial values in L^\infty(M). In particular we show the existence and uniqueness…

Analysis of PDEs · Mathematics 2014-02-04 Daniel Lengeler , Thomas Müller

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

We found the precise condition for the decay as $t\to\infty$ of Besicovitch almost periodic entropy solutions of multidimensional scalar conservation laws. Moreover, in the case of one space variable we establish asymptotic convergence of…

Analysis of PDEs · Mathematics 2017-01-10 Evgeny Yu. Panov

We prove the stability of entropy solutions of nonlinear conservation laws with respect to perturbations of the initial datum, the space-time dependent flux and the entropy inequalities. Such a general stability theorem is motivated by the…

Analysis of PDEs · Mathematics 2022-11-07 Elio Marconi , Emanuela Radici , Federico Stra

We are concerned with the minimal entropy conditions for one-dimensional scalar conservation laws with general convex flux functions. For such scalar conservation laws, we prove that a single entropy-entropy flux pair $(\eta(u),q(u))$ with…

Analysis of PDEs · Mathematics 2023-04-27 Gaowei Cao , Gui-Qiang G. Chen

We consider finite-entropy solutions of scalar conservation laws $u_t +a(u)_x =0$, that is, bounded weak solutions whose entropy productions are locally finite Radon measures. Under the assumptions that the flux function $a$ is strictly…

Analysis of PDEs · Mathematics 2022-07-27 Xavier Lamy , Andrew Lorent , Guanying Peng

In this paper, we propose a Hamiltonian regularization of scalar conservation laws, which is parametrized by $\ell > 0$ and conserves an $H^1$ energy. We prove the existence of global weak solutions for this regularization. Furthermore, we…

Analysis of PDEs · Mathematics 2024-03-08 Billel Guelmame

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 article first studies the propagation of well prepared high frequency waves with small amplitude $\eps$ near constant solutions for entropy solutions of multidimensional nonlinear scalar conservation laws. Second, such oscillating…

Analysis of PDEs · Mathematics 2013-02-12 Stéphane Junca

In this work we consider companion conservation laws to general systems of conservation laws. We investigate sufficient regularity for weak solutions to satisfy companion laws, assuming the fluxes to be $C^{1,\gamma}$, $0<\gamma<1$,…

Analysis of PDEs · Mathematics 2019-10-15 Tomasz Dębiec

Under a precise genuine nonlinearity assumption we establish the decay of entropy solutions of a multidimensional scalar conservation law with merely continuous flux and with initial data being a sum of periodic function and a function…

Analysis of PDEs · Mathematics 2020-10-20 Evgeny Yu. Panov

We prove the H\"older regularity of continuous isentropic solutions to multi-dimensional scalar balance laws when the source term is bounded and the flux satisfies general assumptions of nonlinearity. The results are achieved by exploiting…

Analysis of PDEs · Mathematics 2025-09-03 Fabio Ancona , Laura Caravenna , Alexander J. Cliffe , Elio Marconi

This work revisits a recent finding by the first author concerning the local convergence of a regularized scalar conservation law. We significantly improve the original statement by establishing a global convergence result within the…

Analysis of PDEs · Mathematics 2024-04-18 Billel Guelmame , Haroune Houamed

The paper recalls two of the regularity results for Burgers' equation, and discusses what happens in the case of genuinely nonlinear, strictly hyperbolic systems of conservation laws. The first regularity result which is considered is…

Analysis of PDEs · Mathematics 2016-08-16 Laura Caravenna