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We consider the multidimensional Euler-Poisson equations with non-zero heat conduction, which consist of a coupled hyperbolic-parabolic-elliptic system of balance laws. We make a deep analysis on the coupling effects and establish a local…

Analysis of PDEs · Mathematics 2015-03-17 Jiang Xu

Nowadays we have many methods allowing to exploit the regularising properties of the linear part of a nonlinear dispersive equation (such as the KdV equation, the nonlinear wave or the nonlinear Schroedinger equations) in order to prove…

Analysis of PDEs · Mathematics 2018-12-14 Nikolay Tzvetkov

We study the well-posedness of Cauchy problems on the upper half space $\mathbb{R}^{n+1}_+$ associated to higher order systems $\partial_t u =(-1)^{m+1}\mbox{div}_m A\nabla ^m u$ with bounded measurable and uniformly elliptic coefficients.…

Analysis of PDEs · Mathematics 2020-07-30 Wiktoria Zatoń

In this paper, we are concerned with the well-posedness and large time behavior of Cauchy problem for 3D incompressible Navier-Stokes-Cahn-Hilliard equations. First, using Banach fixed point theorem, we establish the local well-posedness of…

Analysis of PDEs · Mathematics 2020-10-19 Xiaopeng Zhao

We study the local and global wellposedness of a full system of Magneto-Hydro-Dynamic equations. The system is a coupling of the forced (Lorentz force) incompressible Navier-Stokes equations with the Maxwell equations through Ohm's law for…

Analysis of PDEs · Mathematics 2012-07-27 Pierre Germain , Slim Ibrahim , Nader Masmoudi

In this paper, we mainly study the Cauchy problem for the full compressible Navier-Stokes equations in Sobolev spaces. We establish the global well-posedness of the equations with small initial data by using Friedrich's method and…

Analysis of PDEs · Mathematics 2016-04-20 Jinlu Li , Xiaoping Zhai , Zhaoyang Yin

We study a three-dimensional barotropic compressible Navier-Stokes flow interacting with a viscoelastic shell that occupies a portion of the fluid boundary. The analysis is entirely Eulerian and the moving interface is parametrised by a…

Analysis of PDEs · Mathematics 2025-10-07 Pierre Marie Ngougoue Ngougoue

In this paper, we study local well-posedness theory of the Cauchy problem for Schr\"{o}dinger-KdV system in Sobolev spaces $H^{s_1}\times H^{s_2}$. We obtain the local well-posedness when $s_1\geq 0$, $\max\{-3/4,s_1-3\}\leq s_2\leq…

Analysis of PDEs · Mathematics 2024-11-19 Yingzhe Ban , Jie Chen , Ying Zhang

The 1D Cauchy problem for the Zakharov system is shown to be locally well-posed for low regularity Schr\"odinger data u_0 \in \hat{H^{k,p}} and wave data (n_0,n_1) \in \hat{H^{l,p}} \times \hat{H^{l-1,p}} under certain assumptions on the…

Analysis of PDEs · Mathematics 2008-01-23 Hartmut Pecher

We prove local in time well-posedness for a large class of quasilinear Hamiltonian, or parity preserving, Schr\"odinger equations on the circle. After a paralinearization of the equation, we perform several paradifferential changes of…

Analysis of PDEs · Mathematics 2018-05-17 Roberto Feola , Felice Iandoli

The theory of weak solutions for nonlinear conservation laws is now well developed in the case of scalar equations [3] and for one-dimensional hyperbolic systems [1, 2]. For systems in several space dimensions, however, even the global…

Analysis of PDEs · Mathematics 2007-05-23 Alberto Bressan

We consider some parabolic equations which are model problems for a variety of nonlinear generalizations to the Black-Scholes equation of mathematical finance. In particular, we prove local well-posedness for the Cauchy problem with initial…

Analysis of PDEs · Mathematics 2018-12-17 Daniel Oliveira da Silva , Kamilla Igibayeva , Adelina Khoroshevskaya , Zhanna Sakayeva

We consider a system of partial differential equations describing mass transport in a multicomponent isothermal compressible fluid. The diffusion fluxes obey the Fick-Onsager or Maxwell-Stefan closure approach. Mechanical forces result into…

Analysis of PDEs · Mathematics 2020-01-27 Dieter Bothe , Pierre-Etienne Druet

In this paper, we consider the well-posedness of the Cauchy problem for a physical model of the extrusion process, which is described by two systems of conservation laws with a free boundary. By suitable change of coordinates and fixed…

Analysis of PDEs · Mathematics 2014-04-16 Peipei Shang , Mamadou Diagne , Zhiqiang Wang

We consider the Cauchy problem for one-dimensional dispersive equations with a general nonlinearity in the periodic setting. Our main hypotheses are both that the dispersive operator behaves for high frequencies as a Fourier multiplier by $…

Analysis of PDEs · Mathematics 2022-03-31 Luc Molinet , Tomoyuki Tanaka

In this paper, we prove the local well-posedness in critical Besov spaces for the compressible Navier-Stokes equations with density dependent viscosities under the assumption that the initial density is bounded away from zero.

Analysis of PDEs · Mathematics 2020-05-08 Qionglei Chen , Changxing Miao , Zhifei Zhang

We prove short-time well-posedness and existence of global weak solutions of the Beris--Edwards model for nematic liquid crystals in the case of a bounded domain with inhomogeneous mixed Dirichlet and Neumann boundary conditions. The system…

Analysis of PDEs · Mathematics 2013-11-15 Helmut Abels , Georg Dolzmann , YuNing Liu

In this manuscript, we study the theory of conformal relativistic viscous hydrodynamics introduced in arXiv:1708.06255, which provided a causal and stable first-order theory of relativistic fluids with viscosity. The local well-posedness of…

Analysis of PDEs · Mathematics 2019-11-07 Fabio S. Bemfica , Marcelo M. Disconzi , Casey Rodriguez , Yuanzhen Shao

In this paper we consider weakly hyperbolic equations of higher orders in arbitrary dimensions with time-dependent coefficients and lower order terms. We prove the Gevrey well-posedness of the Cauchy problem under $C^k$-regularity of…

Analysis of PDEs · Mathematics 2014-01-14 Claudia Garetto , Michael Ruzhansky

This paper is a continuation of the paper \emph{Low regularity Cauchy problem for the fifth-order modified KdV equations on $\mathbb{T}$}. In this paper, we consider the fifth-order equation in the Korteweg-de Vries (KdV) hierarchy as…

Analysis of PDEs · Mathematics 2016-02-12 Chulkwang Kwak