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We consider the compressible Oldroyd-B model derived in \cite{Barrett-Lu-Suli}, where the existence of global-in-time finite energy weak solutions was shown in two dimensional setting. In this paper, we first state a local well-posedness…

Analysis of PDEs · Mathematics 2017-05-04 Yong Lu , Zhifei Zhang

We identify the wave maps type nonlinearities of incompressible Hookean elastodynamics equations in Lagerangian coordinates, and iterate them in the adapted $U^2$-type spaces to prove the small data global well-posedness in the critical…

Analysis of PDEs · Mathematics 2024-09-23 Zexian Zhang , Yi Zhou

We prove global well-posedness for a cubic, non-local Schr\"odinger equation with radially-symmetric initial data in the critical space $L^2(\R^2)$, using the framework of Kenig-Merle and Killip-Tao-Visan. As a consequence, we obtain a…

Analysis of PDEs · Mathematics 2011-05-31 Stephen Gustafson , Eva Koo

In this paper, we study the global well-posedness and scattering of 3D defocusing, cubic Schr\"odinger equation. Recently, Dodson [arXiv:2004.09618] studied the global well-posedness in a critical Sobolev space $\dot{W}^{11/7,7/6}$. In this…

Analysis of PDEs · Mathematics 2024-10-10 Jia Shen , Yifei Wu

In this paper, we consider the compressible fluid model of Korteweg type in a critical case where the derivative of pressure equals to $0$ at the given constant state. It is shown that the system admits a unique, global strong solution for…

Analysis of PDEs · Mathematics 2020-09-08 Takayuki Kobayashi , Miho Murata

In this article, we investigate the global well-posedness for the defocusing, cubic nonlinear Schr\"{o}dinger equation posed on $\T^3$ with intial data lying in its critical space $H^\frac{1}{2}(\T^3)$. By establishing the linear profile…

Analysis of PDEs · Mathematics 2024-11-18 Yilin Song , Ruixiao Zhang

We prove global well-posedness for low regularity data for the one dimensional quintic defocusing nonlinear Schr\"odinger equation. Precisely we show that a unique and global solution exists for initial data in the Sobolev space…

Analysis of PDEs · Mathematics 2016-08-14 Daniela De Silva , Nataša Pavlović , Gigliola Staffilani , Nikolaos Tzirakis

We prove the global well-posedness for the 3-D micropolar fluid system in the critical Besov spaces by making a suitable transformation to the solutions and using the Fourier localization method, especially combined with a new $L^p$…

Analysis of PDEs · Mathematics 2011-12-20 Qionglei Chen , Changxing Miao

In this paper, we obtain the global well-posedness and scattering for the radial solution to the defocusing conformal invariant nonlinear wave equation with initial data in the critical Besov space…

Analysis of PDEs · Mathematics 2020-03-25 Changxing Miao , Jianwei Yang , Tengfei Zhao

We prove that in dimensions three and higher the Landau-Lifshitz- Gilbert equation with small initial data in the critical Besov space is globally wellposed in a uniform way with respect to the Gilbert damping parameter. Then we show that…

Analysis of PDEs · Mathematics 2016-08-26 Zihua Guo , Chunyan Huang

This paper solves the global well-posedness and stability problem on a special $2\frac12$-D compressible viscous non-resistive MHD system near a steady-state solution. The steady-state here consists of a positive constant density and a…

Analysis of PDEs · Mathematics 2022-11-11 Boqing Dong , Jiahong Wu , Xiaoping Zhai

A two-dimensional inviscid and diffusive Oldroyd-B model was investigated by [T. M. Elgindi, F. Rousset, Commun. Pure Appl. Math. 68 (2015), 2005--2021] where the global existence and uniqueness of the strong solution were established for…

Analysis of PDEs · Mathematics 2022-12-05 Yuanzhi Tu , Yinghui Wang , Huanyao Wen

This paper establishes a sharp characterization of temporal decay rates for the incompressible Oldroyd-B model in a critical $L^p$ framework, covering the physically relevant and mathematically delicate case where both the fluid viscosity…

Analysis of PDEs · Mathematics 2026-05-14 Zhi Chen , Mingwen Fei , Lvqiao Liu , Jiahong Wu

In this work we prove a global well-posedness result for a tridimensional rescaled Boussinesq system, with positive full viscosity and diffusivity parameters in the framework of critical Fourier-Besov spaces. This rescaled approach permits…

Analysis of PDEs · Mathematics 2022-07-14 Leithold L. Aurazo-Alvarez

In this paper, we study the well-posedness in critical Besov spaces for two-fluid Euler-Maxwell equations, which is different from the one fluid case. We need to deal with the difficulties mainly caused by the nonlinear coupling and…

Analysis of PDEs · Mathematics 2015-03-17 Jiang Xu , Jun Xiong , Shuichi Kawashima

We prove that for sufficiently small initial displacements in some weighted Sobolev space, the Cauchy problem of the systems of incompressible isotropic elastodynamics in two space dimensions admits a uniqueness global classical solution.

Analysis of PDEs · Mathematics 2016-03-24 Zhen Lei

The initial value problem for the $L^{2}$ critical semilinear Schr\"odinger equation with periodic boundary data is considered. We show that the problem is globally well posed in $H^{s}({\Bbb T^{d}})$, for $s>4/9$ and $s>2/3$ in 1D and 2D…

Analysis of PDEs · Mathematics 2016-08-16 Daniela De Silva , Nataša Pavlović , Gigliola Staffilani , Nikolaos Tzirakis

We investigate global strong solutions for the incompressible viscoelastic system of Oldroyd--B type with the initial data close to a stable equilibrium. We obtain the existence and uniqueness of the global solution in a functional setting…

Analysis of PDEs · Mathematics 2011-02-03 Ting Zhang , Daoyuan Fang

In this paper we study the super-critical 2D dissipative quasi-geostrophic equation. We obtain some regularization effects allowing us to prove global well-posedness result for small initial data lying in critical Besov spaces constructed…

Analysis of PDEs · Mathematics 2007-05-23 Taoufik Hmidi , Sahbi Keraani

We obtain the local well-posedness of the one dimensional cubic nonlinear Schr\"odinger Equation for initial data in the modulation space $M_{2, p}$ for all $2\le p<\infty$, which covers all the subcritical cases from the viewpoint of…

Analysis of PDEs · Mathematics 2016-11-07 Shaoming Guo