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In this paper we investigate the large time behavior of the global weak entropy solutions to the symmetric Keyftiz-Kranzer system with linear damping. It is proved that as t tends to infinite the entropy solutions tend to zero in the L p…

Analysis of PDEs · Mathematics 2014-08-26 Juan C. Juajibioy , Richard A De la Cruz , Leonardo Rendon

The initial value problem is considered in the present paper for bipolar quantum hydrodynamic model for semiconductors (QHD) in $\mathbb{R}^3$. We prove that the unique strong solution exists globally in time and tends to the asymptotical…

Mathematical Physics · Physics 2008-11-25 Hai-Liang Li , Guojing Zhang , Kaijun Zhang

The goal of this paper is to establish a global well-posedness for a broad class of strictly hyperbolic Cauchy problems with coefficients in $C^2((0,T];C^\infty(\mathbb{R}^n))$ growing polynomially in $x$ and singular in $t$. The problems…

Analysis of PDEs · Mathematics 2021-11-23 Rahul Raju Pattar , N. Uday Kiran

In this paper we study the long time behavior for a semilinear wave equation with space-dependent and nonlinear damping term. After rewriting the equation as a first order system, we define a class of approximate solutions that employ…

Analysis of PDEs · Mathematics 2018-12-24 Debora Amadori , Fatima Al-Zahrà Aqel , Edda Dal Santo

We consider a system coupling the parabolic-parabolic Keller-Segel equations to the in- compressible Navier-Stokes equations in spatial dimensions two and three. We establish the local existence of regular solutions and present some blow-up…

Analysis of PDEs · Mathematics 2012-02-21 Myeongju Chae , Kyungkeun Kang , Jihoon Lee

This paper is devoted to the Nernst-Planck system of equations with an external potential of confinement. The main result is concerned with the asymptotic behaviour of the solution of the Cauchy problem. We will prove that the optimal…

Analysis of PDEs · Mathematics 2019-10-11 Xingyu Li

In this article we find explicit formulae for spherically symmetric solutions of the multidimensional zero-pressure gas dynamics system and its adhesion approximation. The asymptotic behaviour of the explicit solutions of the adhesion…

Analysis of PDEs · Mathematics 2014-04-29 Anupam Pal Choudhury , K. T. Joseph , Manas R. Sahoo

This article discusses the analyticity and the long-time asymptotic behavior of solutions to space-time fractional diffusion equations in $\mathbb{R}^d$. By a Laplace transform argument, we prove that the decay rate of the solution as…

Analysis of PDEs · Mathematics 2019-04-15 Xing Cheng , Zhiyuan Li , Masahiro Yamamoto

The evolution of an electrically conducting imcompressible fluid with nonconstant density can be described by a set of equations combining the continuity, momentum and Maxwell's equations; altogether known as the inhomogeneous…

Analysis of PDEs · Mathematics 2024-05-24 Diogo Arsénio , Haroune Houamed , Belkacem Said--Houari

The first aim of this paper is to examine existence, uniqueness and regularity for the Cahn-Hilliard-Cook (CHC) equation in space dimension $d\leq 3$. By applying a spectral Galerkin method to the infinite dimensional equation, we elaborate…

Numerical Analysis · Mathematics 2022-04-05 Ruisheng Qi , Meng Cai , Xiaojie Wang

We prove sharp blow up rates of solutions of higher order conformally invariant equations in a bounded domain with an isolated singularity, and show the asymptotic radial symmetry of the solutions near the singularity. This is an extension…

Analysis of PDEs · Mathematics 2019-01-15 Tianling Jin , Jingang Xiong

We study the space-time concentration or blow-up asymptotics of radially decreasing solutions of the parabolic-elliptic Keller-Segel system in the whole space or in a ball. We show that, for any solution in dimensions $3\le n\le 9$…

Analysis of PDEs · Mathematics 2026-01-22 Loth Damagui Chabi , Philippe Souplet

In this paper we study the global existence and uniqueness of solution for a Klein-Gordon equations system with mixed boundary conditions. Also we analyze the asymptotic behavior of this solution.

Analysis of PDEs · Mathematics 2019-10-24 Cládio O. P. Da Silva , Aldo T. Louredo , Manuel Milla Miranda

In this paper, we consider the large time asymptotic behavior of solutions to systems of two cubic nonlinear Schr"odinger equations in one space dimension. It turns out that for a system there exists a small solution of which asymptotic…

Analysis of PDEs · Mathematics 2021-12-14 Satoshi Masaki , Jun-ichi Segata , Kota Uriya

This paper demonstrates a lower and upper solution method to investigate the asymptotic behaviour of the conservative reaction-diffusion systems associated with Markovian process algebra models. In particular, we have proved the uniform…

Performance · Computer Science 2022-11-18 Jie Ding , Ruiming Ma , Zhigui Lin , Zhi Ling

In this paper, we investigate the global well-posedness and optimal time-decay of classical solutions for the 3-D full compressible Navier-Stokes system, which is given by the motion of the compressible viscous and heat-conductive gases.…

Analysis of PDEs · Mathematics 2025-03-20 Wenwen Huo , Chao Zhang

A new method is introduced allowing to solve exactly the reactions A+A->inert and A+A->A on the 1D lattice with synchronous diffusional dynamics (simultaneous hopping of all particles). Exact connections are found relating densities and…

Condensed Matter · Physics 2010-10-12 Vladimir Privman

We prove that the 2d Euler equation is globally well-posed in a space of vector fields having spatial asymptotic expansion at infinity of any a priori given order. The asymptotic coefficients of the solutions are holomorphic functions of…

Analysis of PDEs · Mathematics 2020-04-17 Saif Sultan , Peter Topalov

In this paper, we study asymptotic behaviors for classical thermoelastic plate equations with the Fourier law of heat conduction in the whole space $\mathbb{R}^n$, where we introduce a reduction methodology basing on third-order (in time)…

Analysis of PDEs · Mathematics 2023-05-09 Wenhui Chen , Ryo Ikehata

We investigate global existence and optimal decay rates of a generic non-conservative compressible two--fluid model with general constant viscosities and capillary coefficients.The main novelty of this work is three--fold: First, for any…

Analysis of PDEs · Mathematics 2021-08-21 Yin Li , Huaqiao Wang , Guochun Wu , Yinghui Zhang