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We consider the Cauchy problem for the nonstationary discrete p-Laplacian with inhomogeneous density \r{ho}(x) on an infinite graph which supports the Sobolev inequality. For nonnegative solutions when p > 2, we prove the precise rate of…

偏微分方程分析 · 数学 2025-12-29 Alan A. Tedeev

This paper is concerned with the existence of compactly supported admissible solutions to the Cauchy problem for the isentropic compressible Euler equations. In more than one space dimension, convex integration techniques developed by De…

偏微分方程分析 · 数学 2020-03-31 Ibrokhimbek Akramov , Emil Wiedemann

For periodic initial data with initial density, we establish the global existence and uniqueness of strong and classical solutions for the two-dimensional compressible Navier-Stokes equations with no restrictions on the size of initial data…

偏微分方程分析 · 数学 2014-07-22 Jingchi Huang , Chao Wang

In this paper, we establish the global existence of Lagrangian solutions to the ionic Vlasov--Poisson system under mild integrability assumptions on the initial data. Our approach involves proving the well-posedness of the…

偏微分方程分析 · 数学 2025-01-24 Young-Pil Choi , Dowan Koo , Sihyun Song

We are interested in four-dimensional Dirac-Klein-Gordon equations, a fundamental model in particle physics. The main goal of this paper is to establish global existence of solutions to the coupled system and to explore their long-time…

偏微分方程分析 · 数学 2024-07-09 Jingya Zhao

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 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

This paper establishes novel bounds for Gowdy-symmetric Einstein-Euler spacetimes and completes the analysis, initiated by LeFloch and Rendall, of the global areal foliation for these spacetimes. We thus consider the initial value problem…

广义相对论与量子宇宙学 · 物理学 2014-11-13 Nastasia Grubic , Philippe G. LeFloch

The present paper concerns the well-posedness of the Cauchy problem for microlocally symmetrizable hyperbolic systems whose coefficients and symmetrizer are log-Lipschitz continuous, uniformly in time and space variables. For the global in…

偏微分方程分析 · 数学 2016-10-14 Ferruccio Colombini , Daniele Del Santo , Francesco Fanelli , Guy Métivier

The Cauchy problem of the bipolar Navier-Stokes-Poisson system (1.1) in dimension three is considered. We obtain the pointwise estimates of the time-asymptotic shape of the solution, which exhibit generalized Huygens' principle as the…

偏微分方程分析 · 数学 2017-06-28 Zhigang Wu , Weike Wang

We consider very weak solutions of the Cauchy problem for the porous medium equation on Cartan-Hadamard manifolds, that are assumed to satisfy general curvature bounds and to be stochastically complete. We identify a class of initial data…

偏微分方程分析 · 数学 2022-02-18 Gabriele Grillo , Matteo Muratori , Fabio Punzo

We consider the pressureless Euler-Poisson equations with quadratic confinement. For spatial dimension $d\ge 2,\,d\ne 4$, we give a necessary and sufficient condition for the existence of radial global smooth solutions, which is formulated…

偏微分方程分析 · 数学 2023-08-16 José A. Carrillo , Ruiwen Shu

We consider the Cauchy problem for wave equations with unbounded damping coefficients in the whole space. For a general class of unbounded damping coefficients, we derive uniform total energy decay estimates together with a unique existence…

偏微分方程分析 · 数学 2017-06-14 Ryo Ikehata , Hiroshi Takeda

Although there are many results on the global solvability and the precise description of the large time behaviors of solutions to the initial-boundary value problems of the one-dimensional viscous radiative and reactive gas in bounded…

偏微分方程分析 · 数学 2017-05-04 Yongkai Liao , Huijiang Zhao

We consider a set of bipolar Euler-Poisson equations and study two asymptotic limiting processes. The first is the zero-electron-mass limit, which formally results in a non-linear adiabatic electron system. In a second step, we analyse the…

偏微分方程分析 · 数学 2024-04-16 Nuno J. Alves , Athanasios E. Tzavaras

We study global existence problems and asymptotic behavior of higher-dimensional inhomogeneous spacetimes with a compact Cauchy surface in the Einstein-Maxwell-dilaton (EMD) system. Spacelike $T^{D-2}$-symmetry is assumed, where $D\geq 4$…

广义相对论与量子宇宙学 · 物理学 2009-11-10 Makoto Narita

We concern with the global existence and large time behavior of compressible fluids (including the inviscid gases, viscid gases, and Boltzmann gases) in an infinitely expanding ball. Such a problem is one of the interesting models in…

偏微分方程分析 · 数学 2018-09-26 Gang Xu , Huicheng Yin

In this paper, we investigate Cauchy problem of the two-dimensional full Maxwell-Navier-Stokes system, and prove the global-in-time existence and uniqueness of solution in the borderline space which is very close to $L^2$-energy space by…

偏微分方程分析 · 数学 2016-07-27 Changxing Miao , Xiaoxin Zheng

This paper studies the local existence of strong solutions to the Cauchy problem of the 2D fluid-particle interaction model with vacuum as far field density. Notice that the technique used by Ding et al.\cite{SBH} for the corresponding 3D…

偏微分方程分析 · 数学 2016-09-04 Yang Liu

We establish long-time existence of smooth solutions to the 2D ideal Boussinesq equations and to the 2D non-homogeneous incompressible Euler equations for initial data consisting of small temperature perturbations, or small density…

偏微分方程分析 · 数学 2025-07-25 Hantaek Bae , Milton Lopes Filho , Anna Mazzucato , Helena Nussenzveig Lopes