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We prove the existence of BV solutions for $2\times 2$ system of hyperbolic balance laws in one space dimension. The flux is assumed to have two genuinely nonlinear characteristic fields. We consider a general force which may possibly…

偏微分方程分析 · 数学 2024-08-05 Boris Haspot , Animesh Jana

General hyperbolic systems of balance laws with inhomogeneous flux and source are studied. Global existence of entropy weak solutions to the Cauchy problem is established for small $BV$ data under appropriate assumptions on the decay of the…

偏微分方程分析 · 数学 2016-03-29 Cleopatra Christoforou

An Euler-type hyperbolic-parabolic system of chemotactic aggregation describing the vascular network formation is investigated in the critical regularity setting. For small initial data around a constant equilibrium state, the…

偏微分方程分析 · 数学 2023-03-17 Timothée Crin-Barat , Qingyou He , Ling-Yun Shou

We consider the Cauchy problem for a strictly hyperbolic, $n\times n$ system in one space dimension: $u_t+A(u)u_x=0$, assuming that the initial data has small total variation. We show that the solutions of the viscous approximations…

偏微分方程分析 · 数学 2007-05-23 Stefano Bianchini , Alberto Bressan

We consider a hydrodynamic model of flocking-type with all-to-all interaction kernel in one-space dimension and establish global existence of entropy weak solutions with concentration to the Cauchy problem for any BV initial data that has…

偏微分方程分析 · 数学 2022-10-17 Debora Amadori , Cleopatra Christoforou

In this paper, we consider finite time blowup of the $BV$-norm for exact solutions to genuinely nonlinear hyperbolic systems in one space dimension, in particular the $p$-system. We consider solutions verifying shock admissibility criteria…

偏微分方程分析 · 数学 2024-03-13 Sam G. Krupa

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…

偏微分方程分析 · 数学 2022-11-07 Geng Chen , Sam G. Krupa , Alexis F. Vasseur

The global dynamics and regularity of parabolic-hyperbolic systems is an interesting topic in PDEs due to the coupling of competing dissipation and hyperbolic effects. This paper is concerned with the Cauchy problem of a…

偏微分方程分析 · 数学 2019-09-10 Hongyun Peng , Zhian Wang

We prove that vanishing viscosity solutions to smooth non-degenerate systems of balance laws having small bounded variation, in one space dimension, must be functions of special bounded variation. For more than one equation, this is new…

偏微分方程分析 · 数学 2025-09-03 Fabio Ancona , Laura Caravenna , Andrea Marson

In this paper, we first give a lower bound of the lifespan and some estimates of classical solutions to the Cauchy problem for general quasi-linear hyperbolic systems, whose characteristic fields are not weakly linearly degenerate and the…

偏微分方程分析 · 数学 2008-10-22 Wen-Rong Dai

We are concerned with a new solution formula and its applications to the analysis of properties of entropy solutions of the Cauchy problem for one-dimensional scalar hyperbolic conservation laws, wherein the flux functions exhibit convexity…

偏微分方程分析 · 数学 2025-04-28 Gaowei Cao , Gui-Qiang G. Chen , Xiaozhou Yang

The paper describes the qualitative structure of BV entropy solutions of a strictly hyperbolic system of balance laws with characteristic fields either piecewise genuinely nonlinear or linearly degenerate. In particular, we provide an…

偏微分方程分析 · 数学 2018-03-07 Fabio Ancona , Laura Caravenna , Andrea Marson

In this paper, we derive the large-time profile of solutions to the Cauchy problem of a hyperbolic-parabolic system modeling the vasculogenesis in $\R^3$. When the initial data are prescribed in the vicinity of a constant ground state, by…

偏微分方程分析 · 数学 2021-03-23 Qinging Liu , Hongyun Peng , Zhi-An Wang

We consider the Cauchy problem for a system of balance laws derived from a chemotaxis model with singular sensitivity in multiple space dimensions. Utilizing energy methods, we first prove the global well-posedness of classical solutions to…

偏微分方程分析 · 数学 2020-08-26 Tong Li , Dehua Wang , Fang Wang , Zhi-An Wang , Kun Zhao

In this paper, we study the large-time behavior of solutions to a class of partially dissipative linear hyperbolic systems with applications in velocity-jump processes in several dimensions. Given integers $n,d\ge 1$, let $\mathbf…

偏微分方程分析 · 数学 2017-08-01 Thinh Tien Nguyen

For hyperbolic systems of conservation laws, including important physical models from continuum mechanics, the question of stability for large data solutions remains a challenging open problem. In recent work (arXiv:2507.23645) the authors…

偏微分方程分析 · 数学 2025-09-23 Geng Chen , Cooper Faile , Sam G. Krupa

We study the asymptotic time behavior of global smooth solutions to general entropy dissipative hyperbolic systems of balance law in m space dimensions, under the Shizuta-Kawashima condition. We show that these solutions approach constant…

偏微分方程分析 · 数学 2008-12-18 Stefano Bianchini , Bernard Hanouzet , Roberto Natalini

The present paper deals with the Cauchy problem of a multi-dimensional non-conservative viscous compressible two-fluid system. We first study the well-posedness of the model in spaces with critical regularity indices with respect to the…

偏微分方程分析 · 数学 2020-10-20 Fuyi Xu , Meiling Chi , Lishan Liu , Yonghong Wu

In this paper, we consider the Cauchy problem of the multi-dimensional compressible Navier-Stokes-Euler system for two-phase flow motion, which consists of the isentropic compressible Navier-Stokes equations and the isothermal compressible…

偏微分方程分析 · 数学 2024-08-09 Hai-Liang Li , Ling-Yun Shou

In this paper we study the problem of the global existence (in time) of weak, entropic solutions to a system of three hyperbolic conservation laws, in one space dimension, for large initial data. The system models the dynamics of phase…

偏微分方程分析 · 数学 2015-09-10 Debora Amadori , Paolo Baiti , Andrea Corli , Edda Dal Santo
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