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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

We study a class of nonlinear nonlocal conservation laws with discontinuous flux, modeling crowd dynamics and traffic flow, without any additional conditions on finiteness/discreteness of the set of discontinuities or on the monotonicity of…

Numerical Analysis · Mathematics 2023-07-31 Aekta Aggarwal , Ganesh Vaidya

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

In this paper, a PDE-ODE model with discontinuity in the flux as well as a flux constraint is analyzed. A modified Riemann solution is proposed and the existence of a weak solution to the Cauchy problem is rigorously investigated using the…

Analysis of PDEs · Mathematics 2023-10-03 Hossein Nick Zinat Matin , Maria Laura Delle Monache

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

We deal with the Cauchy problem for multi-dimensional scalar conservation laws, where the fluxes and the source terms can be discontinuous functions of the unknown. The main novelty of the paper is the introduction of a~kinetic formulation…

Analysis of PDEs · Mathematics 2016-06-22 Miroslav Bulíček , Piotr Gwiazda , Agnieszka Świerczewska-Gwiazda

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 investigate the structure of solutions of conservation laws with discontinuous flux under quite general assumption on the flux. We show that any entropy solution admits traces on the discontinuity set of the coefficients and we use this…

Analysis of PDEs · Mathematics 2016-05-31 Graziano Crasta , Virginia De Cicco , Guido De Philippis , Francesco Ghiraldin

This paper is devoted to a nonlinear singular Riemann-Liouville type fractional differential equation, the local existence of whose continuous solutions under the weakest condition remained as an open problem until now. The singularity of…

General Mathematics · Mathematics 2021-11-30 Müfit Şan

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

In this article, we consider scalar conservation laws with fluxes having spatial discontinuities and possible flat regions and study the following three aspects: (i) existence, (ii) uniqueness and (iii) BV regularity of solutions. We…

Analysis of PDEs · Mathematics 2020-10-27 Shyam Sundar Ghoshal , John D. Towers , Ganesh Vaidya

The study of existence and uniqueness of solutions became important due to the lack of general formula for solving nonlinear ordinary differential equations (ODEs). Compact form of existence and uniqueness theory appeared nearly 200 years…

History and Overview · Mathematics 2016-05-19 Swarup Poria , Aman Dhiman

We introduce the notion of entropy solutions (e.s.) to a conservation law with an arbitrary jump continuous flux vector and prove existence of the largest and the smallest e.s. to the Cauchy problem. The monotonicity and stability…

Analysis of PDEs · Mathematics 2022-05-18 Evgeny Yu. Panov

We investigate real solutions of a C-integrable non-evolutionary partial differential equation in the form of a scalar conservation law where the flux density depends both on the density and on its first derivatives with respect to the…

Exactly Solvable and Integrable Systems · Physics 2023-12-22 Francesco Giglio , Giulio Landolfi , Luigi Martina

We revisit a well-established model for highly re-entrant semi-conductor manufacturing systems, and analyze it in the setting of states, in- and outfluxes being Borel measures. This is motivated by the lack of optimal solutions in the…

Analysis of PDEs · Mathematics 2019-12-30 Xiaoqian Gong , Matthias Kawski

We study a dissipative system of nonlinear and nonlocal equations modeling the flow of electrohydrodynamics. The existence, uniqueness and regularity of solutions is proven for general $\mathbf{L}^2$ initial data in two space dimensions and…

Analysis of PDEs · Mathematics 2009-10-28 Rolf J. Ryham

Nonlinear scalar conservation laws are traditionally viewed as transport equations. We take instead the viewpoint of these PDEs as continuity equations with an implicitly defined velocity field. We show that a weak solution is the entropy…

Analysis of PDEs · Mathematics 2024-04-03 Ulrik S. Fjordholm , Ola H. Mæhlen , Magnus C. Ørke

It is studied the Cauchy problem for the equations of Burgers' type but with bounded dissipation flux. Such equations degenerate to hyperbolic ones as the velocity gradient tends to infinity. Thus the discontinuous solutions are permitted.…

Analysis of PDEs · Mathematics 2007-05-23 Yuri G. Rykov

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

In this contribution we study the singular limit problem of a nonlocal conservation law with a discontinuity in space. The specific choice of the nonlocal kernel involving the spatial discontinuity as well enables it to obtain a maximum…

Analysis of PDEs · Mathematics 2022-12-27 Alexander Keimer , Lukas Pflug
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