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In this article, we consider an energy-critical complex Ginzburg-Landau equation in the exterior of a smooth compact strictly convex obstacle. We prove the global well-posedness of energy-critical complex Ginzburg-Landau equation in an…

偏微分方程分析 · 数学 2026-01-21 Xing Cheng , Chang-Yu Guo , Jiqiang Zheng , Yunrui Zheng

We study the stochastic dynamics of a two-dimensional magnetic moment embedded in a three-dimensional environment, described by means of the stochastic Landau-Lifshitz-Gilbert (sLLG) equation. We define a covariant generalization of this…

统计力学 · 物理学 2018-08-29 Zochil González Arenas , Daniel G. Barci , Miguel Vera Moreno

The discrete complex Ginzburg-Landau equation is a fundamental model for the dynamics of nonlinear lattices incorporating competitive dissipation and energy gain effects. Such mechanisms are of particular importance for the study of…

斑图形成与孤子 · 物理学 2023-05-03 Dirk Hennig , Nikos I. Karachalios , Jesús Cuevas-Maraver

We consider a stochastic partial differential equation with logarithmic (or negative power) nonlinearity, with one reflection at 0 and with a constraint of conservation of the space average. The equation, driven by the derivative in space…

偏微分方程分析 · 数学 2019-10-21 Ludovic Goudenège

We study the defocusing stochastic generalized Korteweg-de Vries equations (sgKdV) driven by additive noise, with a focus on mass-critical and supercritical nonlinearities. For integers $k \geq 4$, we establish local well-posedness almost…

偏微分方程分析 · 数学 2025-11-11 Engin Başakoğlu , Faruk Temur , Oğuz Yılmaz

In this paper, we prove the global wellposedness of the Gross-Pitaevskii equation with white noise potential, i.e. a cubic nonlinear Schr{\"o}dinger equation with harmonic confining potential and spatial white noise multiplicative term.…

偏微分方程分析 · 数学 2023-11-20 Pierre Mackowiak

We use Strichartz estimates with rough potentials like the spatial white noise on the 2 \ dimensional torus to prove global well-posedness of the multiplicative stochastic NLS with general integer powers in both the energy and strong regime…

偏微分方程分析 · 数学 2025-10-01 Immanuel Zachhuber

Spatially localized oscillations in periodically forced systems are intriguing phenomena. They may occur in spatially homogeneous media (oscillons), but quite often emerge in heterogeneous media, such as the auditory system, where localized…

斑图形成与孤子 · 物理学 2020-04-21 Yuval Edri , Ehud Meron , Arik Yochelis

We study the Cauchy problem for the nonlinear wave equations (NLW) with random data and/or stochastic forcing on a two-dimensional compact Riemannian manifold without boundary. (i) We first study the defocusing stochastic damped NLW driven…

偏微分方程分析 · 数学 2022-10-07 Tadahiro Oh , Tristan Robert , Nikolay Tzvetkov

We prove the local well-posedness of the periodic stochastic Korteweg-de Vries equation with the additive space-time white noise. In order to treat low regularity of the white noise in space, we consider the Cauchy problem in the Besov-type…

偏微分方程分析 · 数学 2010-07-13 Tadahiro Oh

We study the global well-posedness of the supercritical dissipative surface quasi-geostrophic (SQG) equation, a key model in geophysical fluid dynamics. While local well-posedness is known, achieving global well-posedness for large initial…

偏微分方程分析 · 数学 2024-03-01 Aynur Bulut , Hongjie Dong

We study well-posedness of viscous nonlinear wave equations (vNLW) on the two-dimensional torus with a stochastic forcing. In particular, we prove pathwise global well-posedness of the stochastic defocusing vNLW with an additive stochastic…

偏微分方程分析 · 数学 2023-04-06 Ruoyuan Liu

In this paper, we mainly consider the global solvability of smooth solutions for the Cauchy problem of the three-dimensional Landau-Lifshitz-Slonczewski equation in the Morrey space. We derive the covariant complex Ginzburg-Landau equation…

偏微分方程分析 · 数学 2023-07-13 Chenlu Zhang , Huaqiao Wang

This paper is concerned with the stochastic generalized Ginzburg-Landau equation driven by a multiplicative noise of jump type. By a prior estimate, weak convergence and monotonicity technique, we prove the existence and uniqueness of the…

偏微分方程分析 · 数学 2023-01-10 Lin Lin , Hongjun Gao

In this paper, we establish the strong($H^1$) well-posedness of the two dimensional stochastic Navier-Stokes equation with multiplicative noise on moving domains. Due to the nonlocality effect, this equation exhibits a ``piecewise"…

概率论 · 数学 2025-05-22 Ping Chen , Tianyi Pan , Tusheng Zhang

Thanks to an approach inspired from Burq-Lebeau \cite{bule}, we prove stochastic versions of Strichartz estimates for Schr\"odinger with harmonic potential. As a consequence, we show that the nonlinear Schr\"odinger equation with quadratic…

偏微分方程分析 · 数学 2016-01-20 Aurélien Poiret , Didier Robert , Laurent Thomann

Discrete Ginzburg-Landau (DGL) equations with non-local nonlinearities have been established as significant inherently discrete models in numerous physical contexts, similar to their counterparts with local nonlinear terms. We study two…

偏微分方程分析 · 数学 2021-10-25 Dirk Hennig , Nikos I. Karachalios

In this paper, we consider the 2D periodic stochastic Nernst-Planck-Navier-Stokes equations with body forces perturbed by multiplicative white noise. We first transform the stochastic Nernst-Planck-Navier-Stokes system into the…

概率论 · 数学 2024-12-10 Yang-yang Wu , Gao-cheng Yue

We consider a periodic nonlinear Schr\"odinger equation with white noise dispersion and a power nonlinearity given by \begin{equation*} idu = \Delta u \circ dW_t + |u|^{p-1}u\;dt \end{equation*} By proving stochastic Strichartz estimates,…

偏微分方程分析 · 数学 2024-02-20 Gavin Stewart

The primary objective of this paper is to investigate the well-posedness theories associated with the discrete nonlinear Schr\"odinger equation and Klein-Gordon equation. These theories encompass both local and global well-posedness, as…

动力系统 · 数学 2023-11-01 Yifei Wu , Zhibo Yang , Qi Zhou