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The paper deals with scalar conservation laws having a flux discontinuity at $x=0$ without a weak solution that satisfies the classical Rankine--Hugoniot jump condition at $x=0$. We are using unbounded solutions in the form of shadow waves…

Analysis of PDEs · Mathematics 2021-06-01 Tanja Krunić , Marko Nedeljkov

We study pathwise entropy solutions for scalar conservation laws with inhomogeneous fluxes and quasilinear multiplicative rough path dependence. This extends the previous work of Lions, Perthame and Souganidis who considered spatially…

Analysis of PDEs · Mathematics 2014-06-16 Benjamin Gess , Panagiotis E. Souganidis

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

This paper addresses the three concepts of \textit{ consistency, stability and convergence } in the context of compact finite volume schemes for systems of nonlinear hyperbolic conservation laws. The treatment utilizes the framework of…

Numerical Analysis · Mathematics 2020-03-17 Matania Ben-Artzi , Jiequan Li

We study one-dimensional conservation law. We develop a simple numerical method for computing the unique entropy admissible weak solution to the initial problem. The method basis on the equal-area principle and gives the solution for given…

Numerical Analysis · Mathematics 2014-05-20 Marjeta Kramar Fijavž , Mitja Lakner , Marjeta Škapin Rugelj

In this paper, we analyze a semi-discrete finite difference scheme for a conservation laws driven by a homogeneous multiplicative Levy noise. Thanks to BV estimates, we show a compact sequence of approximate solutions, generated by the…

Analysis of PDEs · Mathematics 2016-04-28 Ujjwal Koley , Ananta K. Majee , Guy Vallet

In this paper, we discuss the asymptotic behaviour of weak solutions to the Cauchy problem toward the viscous shock waves for the scalar viscous conservation law. We firstly consider the case that the flux function is the quadratic Burgers…

Analysis of PDEs · Mathematics 2023-12-07 Yechi Liu

This paper addresses the design of linear and nonlinear stabilization procedures for high-order continuous Galerkin (CG) finite element discretizations of scalar conservation laws. We prove that the standard CG method is entropy…

Numerical Analysis · Mathematics 2020-05-19 Dmitri Kuzmin , Manuel Quezada de Luna

In this article, we propose a novel front tracking scheme for scalar conservation laws with spatially heterogeneous, uniformly convex flux and prove that approximations converge to the unique entropy solution. The main tools are Dafermos'…

Analysis of PDEs · Mathematics 2025-11-04 Parasuram Venkatesh

We introduce a kinetic formulation for scalar conservation laws with nonlocal and nonlinear diffusion terms. We deal with merely L 1 initial data, general self-adjoint pure jump L{\'e}vy operators, and locally Lipschitz nonlinearities of…

Analysis of PDEs · Mathematics 2019-10-22 Nathaël Alibaud , Boris Andreianov , Adama Ouedraogo

Strong discontinuities in solutions of the gas dynamic equations under isentropic conditions, i.e., with continuity of entropy at the discontinuity, are examined. Solutions for a standard shock wave with continuity of energy at the…

High Energy Astrophysical Phenomena · Physics 2016-06-28 G. S. Bisnovatyi-Kogan , S. G. Moiseenko

In this paper, we consider scalar conservation laws with smoothly varying spatially heterogeneous flux that is convex in the conserved variable. We show that under certain assumptions, a shock wave connecting two constant states emerges in…

Analysis of PDEs · Mathematics 2025-07-18 Shyam Sundar Ghoshal , Parasuram Venkatesh

We show that the diffusion approximation breaks down for particle acceleration at oblique shocks with velocities typical of young supernova remnants. Higher order anisotropies flatten the spectral index at quasi-parallel shocks and steepen…

High Energy Astrophysical Phenomena · Physics 2015-05-30 A. R. Bell , K. M. Schure , B. Reville

We deal with the problem of approximating a scalar conservation law by a conservation law with nonlocal flux. As convolution kernel in the nonlocal flux, we consider an exponential-type approximation of the Dirac distribution. This enables…

Analysis of PDEs · Mathematics 2020-12-25 Giuseppe Maria Coclite , Jean-Michel Coron , Nicola De Nitti , Alexander Keimer , Lukas Pflug

An overlooked conservation law for near-inertial waves propagating in a steady background flow provides a new perspective on the concentration of these waves in regions of anticyclonic vorticity. The conservation law implies that this…

Atmospheric and Oceanic Physics · Physics 2023-07-19 Eric Danioux , Jacques Vanneste , Oliver Bühler

Solutions to a class of conservation laws with discontinuous flux are constructed relying on the Crandall-Liggett theory of nonlinear contractive semigroups~\cite{CL}. In particular, the paper studies the existence of backward Euler…

Analysis of PDEs · Mathematics 2019-02-28 Graziano Guerra , Wen Shen

Scalar conservation laws sit at the intersection between being simple enough to study analytically, while being complex enough to exhibit a wide range of nonlinear phenomena. We introduce a novel stochastic perturbation of scalar…

Analysis of PDEs · Mathematics 2025-10-30 Ulrik S. Fjordholm , Magnus C. Ørke

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

We present a meshfree numerical solver for scalar conservation laws in one space dimension. Points representing the solution are moved according to their characteristic velocities. Particle interaction is resolved by purely local particle…

Numerical Analysis · Mathematics 2008-11-15 Yossi Farjoun , Benjamin Seibold

We consider a class of nonlocal conservation laws modeling traffic flows, given by $ \partial_t \rho_\varepsilon + \partial_x(V(\rho_\varepsilon \ast \gamma_\varepsilon) \rho_\varepsilon) = 0 $ with a suitable convex kernel $…

Numerical Analysis · Mathematics 2025-10-02 Nicola De Nitti , Kuang Huang
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