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We consider the Cauchy problem for the defocusing energy-critical stochastic nonlinear wave equations (SNLW) with an additive stochastic forcing on $\mathbb{R}^{d}$ and $\mathbb{T}^{d}$ with $d \geq 3$. By adapting the probabilistic…

Analysis of PDEs · Mathematics 2024-07-26 Enguerrand Brun , Guopeng Li , Ruoyuan Liu

We consider the nonlinear Schr\"odinger equation with multiplicative spatial white noise and an arbitrary polynomial nonlinearity on the two-dimensional full space domain. We prove global well-posedness by using a gauge-transform introduced…

Analysis of PDEs · Mathematics 2023-03-08 Arnaud Debussche , Ruoyuan Liu , Nikolay Tzvetkov , Nicola Visciglia

In this article, we address the velocity tracking control problem for a class of stochastic non-Newtonian fluids. More precisely, we consider the stochastic third-grade fluid equation perturbed by infinite-dimensional additive white noise…

Probability · Mathematics 2026-03-10 Kush Kinra , Fernanda Cipriano

In this article, we prove the (uniform) global exponential stabilization of the cubic defocusing Schr\"odinger equation on the torus d-dimensional torus, for d=1, 2 or 3, with a linear damping localized in a subset of the torus satisfying…

Analysis of PDEs · Mathematics 2023-10-18 Kévin Le Balc'h , Jérémy Martin

We construct global-in-time singular dynamics for the (renormalized) cubic fourth order nonlinear Schr\"odinger equation on the circle, having the white noise measure as an invariant measure. For this purpose, we introduce the…

Analysis of PDEs · Mathematics 2020-11-25 Tadahiro Oh , Nikolay Tzvetkov , Yuzhao Wang

In this paper, we present a globalization argument for stochastic nonlinear dispersive PDEs with additive noises by adapting the $I$-method (= the method of almost conservation laws) to the stochastic setting. As a model example, we…

Analysis of PDEs · Mathematics 2020-12-15 Kelvin Cheung , Guopeng Li , Tadahiro Oh

We consider the nonlinear Schr\"odinger equation on the $d$-dimensional torus $\mathbb T^d$, with the nonlinearity of polynomial type $|u|^{2\sigma}u$. For any $\sigma \in \mathbb N$ and $s>\frac d2$ we prove that adding to this equation a…

Probability · Mathematics 2024-06-28 Zdzisław Brzeźniak , Benedetta Ferrario , Mario Maurelli , Margherita Zanella

We consider the Cauchy problem for the stochastic Hartree nonlinear wave equations (SHNLW) with a cubic convolution nonlinearity and an additive stochastic forcing on the Euclidean space. Our goal in this paper is two-fold. (i) We study the…

Analysis of PDEs · Mathematics 2025-09-16 Guopeng Li , Liying Tao , Tengfei Zhao

We consider NLS on $\T^2$ with multiplicative spatial white noise and nonlinearity between cubic and quartic. We prove global existence, uniqueness and convergence almost surely of solutions to a family of properly regularized and…

Analysis of PDEs · Mathematics 2020-06-16 Nikolay Tzvetkov , Nicola Visciglia

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…

Analysis of PDEs · Mathematics 2025-10-01 Immanuel Zachhuber

In this article, we show that the solution to defocusing cubic nonlinear Schr\"odinger equation (NLS) posed on the two-dimensional waveguide \begin{align*} i\partial_tu+\Delta_{\R\times\T}u=|u|^2u \end{align*} is globally well-posed in…

Analysis of PDEs · Mathematics 2026-05-26 Qionglei Chen , Yilin Song , Kailong Yang , Ruixiao Zhang , Jiqiang Zheng

We investigate the focusing inhomogeneous nonlinear biharmonic Schr\"odinger equation \[ i\partial_t u + \Delta^2 u - |x|^{-b}|u|^p u = 0 \quad \text{on } \mathbb{R} \times \mathbb{R}^N, \] in the energy-critical regime, $p = \frac{8 -…

Analysis of PDEs · Mathematics 2025-08-06 Carlos M. Guzmán , Sahbi Keraani , Chengbin Xu

We continue the study of the two-dimensional dispersive Anderson model (DAM), i.e. the nonlinear Schr\"odinger equation with multiplicative spatial white noise. For this model, global well-posedness on the periodic domain was established by…

Analysis of PDEs · Mathematics 2026-02-16 Ruoyuan Liu , Nikolay Tzvetkov

In this paper, we prove the global well-posedness for the focusing, cubic nonlinear Schr\"odinger equation on the product space $\mathbb{R} \times \mathbb{T}^3$ with initial data below the threshold that arises from the the ground state in…

Analysis of PDEs · Mathematics 2021-06-24 Xueying Yu , Haitian Yue , Zehua Zhao

We study the global-in-time dynamics for a stochastic semilinear wave equation with cubic defocusing nonlinearity and additive noise, posed on the $2$-dimensional torus. The noise is taken to be slightly more regular than space-time white…

Analysis of PDEs · Mathematics 2021-02-19 Justin Forlano , Leonardo Tolomeo

In this paper we investigate a non-linear and non-local one dimensional transport equation under random perturbations on the real line. We first establish a local-in-time theory, i.e., existence, uniqueness and blow-up criterion for…

Analysis of PDEs · Mathematics 2022-03-23 Diego Alonso-Orán , Yingting Miao , Hao Tang

We study the hyperbolic defocusing sinh-Gordon model with parameter $\beta^2>0$ and its associated Gibbs dynamics on the two-dimensional torus. We establish global well-posedness of the model for a certain range of parameters $\beta^2>0$…

Analysis of PDEs · Mathematics 2026-02-17 Justin Forlano , Younes Zine

We consider the Cauchy problem for the cubic fourth order nonlinear Schr\"odinger equation (4NLS) on the circle. In particular, we prove global well-posedness of the renormalized 4NLS in negative Sobolev spaces $H^s(\mathbb{T})$, $s >…

Analysis of PDEs · Mathematics 2018-05-22 Tadahiro Oh , Yuzhao Wang

We study the stochastic Nonlinear Schr\"{o}dinger system with multiplicative white noise in energy space $H^1$. Based on deterministic and stochastic Strichartz estimates, we prove the local well-posedness and uniqueness of mild solution.…

Analysis of PDEs · Mathematics 2019-12-12 Qi Zhang , Jinqiao Duan , Yong Chen

Linear global modes, which are time-harmonic solutions with vanishing boundary conditions, are analysed in the context of the complex Ginzburg-Landau equation with slowly varying coefficients in doubly infinite domains. The most unstable…

patt-sol · Physics 2008-02-03 Le S. Dizès