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In this paper, we investigate the asymptotic behavior of solutions to the Cauchy problem for the scalar non-viscous diffusive dispersive conservation laws where the far field states are prescribed. We proved that the solution of the Cauchy…

Analysis of PDEs · Mathematics 2021-08-17 Natsumi Yoshida

We introduce an adaptive viscosity regularization approach for the numerical solution of systems of nonlinear conservation laws with shock waves. The approach seeks to solve a sequence of regularized problems consisting of the system of…

Fluid Dynamics · Physics 2023-09-19 Ngoc Cuong Nguyen , Jordi Vila-Perez , Jaime Peraire

We study the asymptotic large time behavior of singular solutions of the fast diffusion equation $u_t=\Delta u^m$ in $({\mathbb R}^n\setminus\{0\})\times(0,\infty)$ in the subcritical case $0<m<\frac{n-2}{n}$, $n\ge3$. Firstly, we prove the…

Analysis of PDEs · Mathematics 2015-08-11 Kin Ming Hui , Soojung Kim

In this paper we study large time behaviors toward shock waves and rarefaction waves under periodic perturbations for 1-D convex scalar conservation laws. The asymptotic stabilities and decay rates of shock waves and rarefaction waves under…

Analysis of PDEs · Mathematics 2018-09-26 Zhouping Xin , Qian Yuan , Yuan Yuan

We study nonlinear time-asymptotic stability of small--amplitude planar Lax shocks in a model consisting of a system of multi--dimensional conservation laws coupled with an elliptic system. Such a model can be found in context of dynamics…

Analysis of PDEs · Mathematics 2011-08-18 Toan Nguyen

We study properties of solutions of the initial value problem for the nonlinear and nonlocal equation u_t+(-\partial^2_x)^{\alpha/2} u+uu_x=0 with alpha in (0,1], supplemented with an initial datum approaching the constant states u+/u-…

Analysis of PDEs · Mathematics 2010-01-22 Nathaël Alibaud , Cyril Imbert , Grzegorz Karch

Consider a strictly hyperbolic $n\times n$ system of conservation laws, where each characteristic field is either genuinely nonlinear or linearly degenerate. In this standard setting, it is well known that there exists a Lipschitz semigroup…

Analysis of PDEs · Mathematics 2023-05-19 Alberto Bressan , Graziano Guerra

We develop high-order numerical schemes to solve random hyperbolic conservation laws using linear programming. The proposed schemes are high-order extensions of the existing first-order scheme introduced in [{\sc S. Chu, M. Herty, M.…

Numerical Analysis · Mathematics 2025-09-03 Shaoshuai Chu , Michael Herty

In this paper, we study the large time behavior of the 3-D isentropic compressible Navier-Stokes equation in the partial space-periodic domains, and simultaneously show that the related profile systems can be described by like Navier-Stokes…

Analysis of PDEs · Mathematics 2014-09-03 Yin Huicheng , Zhang Lin , Zhu Lu

We determine the large-time behavior of unbounded solutions for the so-called viscous Hamilton Jacobi equation, $u_t - \Delta u + |Du|^m = f(x)$, in the quadratic and subquadratic cases (i.e., for $1<m\leq 2$), with a particular focus on…

Analysis of PDEs · Mathematics 2021-11-09 Alexander Quaas , Andrei Rodríguez-Paredes

We consider semidiscrete finite differences schemes for the periodic Scr\"odinger equation in dimension one. We analyze whether the space-time integrability properties observed by Bourgain in the continuous case are satisfied at the…

Analysis of PDEs · Mathematics 2019-10-15 Liviu I. Ignat

In this article, we are interested in the large time behavior of solutions of the Dirichlet problem for subquadratic viscous Hamilton-Jacobi Equations. In the superquadratic case, the third author has proved that these solutions can have…

Analysis of PDEs · Mathematics 2011-12-22 Guy Barles , Alessio Porretta , Thierry Wilfried Tabet Tchamba

In this paper, we investigate the asymptotic behavior of solutions toward a multiwave pattern of the Cauchy problem for the scalar viscous conservation law where the far field states are prescribed. Especially, we deal with the case when…

Analysis of PDEs · Mathematics 2014-11-25 Natsumi Yoshida

In this paper, we consider Bianchi type III and Kantowski-Sachs spacetimes and discuss the behavior of time-varying constants $G$ and $\Lambda$ by using two symmetric techniques, namely, kinematic self-similarity and matter collineation. In…

General Relativity and Quantum Cosmology · Physics 2010-11-02 M. Sharif , H. Rizwana Kausar

The large time behavior of the unique strong solution to the barotropic compressible Navier-Stokes system is studied with large external forces and initial data, where the shear viscosity is a positive constant and the bulk one is…

Analysis of PDEs · Mathematics 2023-10-25 Xinyu Fan , Jing Li , Xue Wang

We study the initial-boundary value problem for 1D compressible MHD equations of viscous non-resistive fluids in the Lagrangian mass coordinates. Based on the estimates of upper and lower bounds of the density, weak solutions are…

Analysis of PDEs · Mathematics 2019-07-02 Yang Li , Yongzhong Sun

We investigate the large-time behavior of three types of initial-boundary value problems for Hamilton-Jacobi Equations with nonconvex Hamiltonians. We consider the Neumann or oblique boundary condition, the state constraint boundary…

Analysis of PDEs · Mathematics 2010-12-13 Guy Barles , Hiroyoshi Mitake

We study the asymptotic behavior in time of solutions to the one dimensional nonlinear Schr\"odinger equation with a subcritical dissipative nonlinearity $\lambda |u|^\alpha u$, where $0<\alpha<2$, and $\lambda $ is a complex constant…

Analysis of PDEs · Mathematics 2022-01-19 Xuan Liu , Ting Zhang

We study the long-time asymptotic behavior of small-data solutions to the three-dimensional Vlasov--Riesz system with the inverse power-law potential $\lambda |x|^{-\alpha}$ in the strictly long-range regime ($0 < \alpha < 1$). By…

Analysis of PDEs · Mathematics 2026-04-07 Younghun Hong , Stephen Pankavich

Given a strictly hyperbolic $n\times n$ system of conservation laws, it is well known that there exists a unique Lipschitz semigroup of weak solutions, defined on a domain of functions with small total variation, which are limits of…

Analysis of PDEs · Mathematics 2023-05-30 Alberto Bressan , Camillo De Lellis