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We introduce a dispersion approximation of weak, entropy solutions of multidimensional scalar conservation laws using variational kinetic representation, where equilibrium densities satisfy the Gibb's entropy minimization principle for a…

Analysis of PDEs · Mathematics 2020-08-31 Misha Perepelitsa

We consider $\mathbf L^\infty$ solutions to $2\times 2$ systems of conservation laws. For genuinely nonlinear systems we prove that finite entropy solutions (in particular entropy solutions, if a uniformly convex entropy exists) belong to…

Analysis of PDEs · Mathematics 2025-07-25 Luca Talamini

A simple conservation law formula for field equations with a scaling symmetry is presented. The formula uses adjoint-symmetries of the given field equation and directly generates all local conservation laws for any conserved quantities…

Mathematical Physics · Physics 2008-11-26 Stephen C. Anco

We propose a semidiscrete scheme for approximation of entropy solutions of one-dimensional scalar conservation laws with nonnegative initial data. The scheme is based on the concept of particle paths for conservation laws and can be…

Analysis of PDEs · Mathematics 2025-04-16 Magnus C. Ørke

For nonlinear Schr\"odinger equations in less than or equal to four dimension, with non-vanishing initial data at infinity, a new approach to derive the conservation law is obtained. Since this approach does not contain approximating…

Analysis of PDEs · Mathematics 2018-10-23 Hayato Miyazaki

Let $u(t,x)$ be the solution to the Cauchy problem of a scalar conservation law in one space dimension. It is well known that even for smooth initial data the solution can become discontinuous in finite time and global entropy weak solution…

Analysis of PDEs · Mathematics 2022-09-02 Yi Zhou

We demonstrate that the shallow water moment equations satisfy an auxiliary entropy conservation law, where the entropy function corresponds to the total energy. Additionally, we show that the classical Newtonian slip friction and Manning…

Numerical Analysis · Mathematics 2026-02-09 Julio Careaga , Patrick Ersing , Julian Koellermeier , Andrew R. Winters

The entropy conservative/stable algorithm of Friedrich~\etal (2018) for hyperbolic conservation laws on nonconforming p-refined/coarsened Cartesian grids, is extended to curvilinear grids for the compressible Euler equations. The primary…

Recent work giving a classification of kinematic and vorticity conservation laws of compressible fluid flow for barotropic equations of state (where pressure is a function only of the fluid density) in $n>1$ spatial dimensions is extended…

Fluid Dynamics · Physics 2015-05-14 Stephen C. Anco , Amanullah Dar

We study the discretization of generalized Wasserstein distances with nonlinear mobilities on the real line via suitable discrete metrics on the cone of N ordered particles, a setting which naturally appears in the framework of…

Analysis of PDEs · Mathematics 2022-09-01 Simone Di Marino , Lorenzo Portinale , Emanuela Radici

We develop a theory based on relative entropy to show the uniqueness and L^2 stability (up to a translation) of extremal entropic Rankine-Hugoniot discontinuities for systems of conservation laws (typically 1-shocks, n-shocks, 1-contact…

Analysis of PDEs · Mathematics 2015-05-19 Nicholas Leger , Alexis Vasseur

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

Classifications of symmetries and conservation laws are presented for a variety of physically and analytically interesting wave equations with power onlinearities in n spatial dimensions: a radial hyperbolic equation, a radial Schrodinger…

Mathematical Physics · Physics 2007-05-23 Stephen C. Anco , Nataliya M. Ivanova

We propose new entropy admissibility conditions for multidimensional hyperbolic scalar conservation laws with discontinuous flux which generalize one-dimensional Karlsen-Risebro-Towers entropy conditions. These new conditions are designed,…

Analysis of PDEs · Mathematics 2014-04-15 Boris Andreianov , Darko Mitrovic

We derive infinitely many conservation laws for some multi-dimensionally consistent lattice equations from their Lax pairs. These lattice equations are the Nijhoff-Quispel-Capel equation, lattice Boussinesq equation, lattice nonlinear…

Exactly Solvable and Integrable Systems · Physics 2014-08-28 Jun-wei Cheng , Da-jun Zhang

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 study a 1D scalar conservation law whose non-local flux has a single spatial discontinuity. This model is intended to describe traffic flow on a road with rough conditions. We approximate the problem through an upwind-type numerical…

Analysis of PDEs · Mathematics 2023-01-30 Felisia Angela Chiarello , Harold Deivi Contreras , Luis Miguel Villada

We present the derivation of the hydrodynamic limit under Eulerian scaling for a general class of one-dimensional interacting particle systems with two or more conservation laws. Following Yau's relative entropy method it turns out that in…

Probability · Mathematics 2007-05-23 Balint Toth , Benedek Valko

We prove the stability of entropy weak solutions of a class of scalar conservation laws with non-local flux arising in traffic modelling. We obtain an estimate of the dependence of the solution with respect to the kernel function, the speed…

Analysis of PDEs · Mathematics 2018-01-18 Felisia Angela Chiarello , Paola Goatin , Elena Rossi

This work is devoted to examine the uniqueness and existence of kinetic solutions for a class of scalar conservation laws involving a nonlocal super-critical diffusion operator. Our proof for uniqueness is based upon the analysis on a…

Analysis of PDEs · Mathematics 2017-05-01 Jinlong Wei , Jinqiao Duan , Guangying Lv
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