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We study the $L^2$-critical damped NLS with a Stark potential. We prove that the threshold for global existence and finite time blowup of this equation is given by $\|Q\|_2$, where $Q$ is the unique positive radial solution of $\Delta Q +…

偏微分方程分析 · 数学 2023-06-12 Yi Hu , Yongki Lee , Shijun Zheng

In this paper, we investigate the damped stochastic nonlinear Schr\"odinger(NLS) equation with multiplicative noise and its splitting-based approximation. When the damped effect is large enough, we prove that the solutions of the damped…

数值分析 · 数学 2018-06-05 Jianbo Cui , Jialin Hong

We investigate the Cauchy problem for the nonlinear Schr\"odinger equation with a time-dependent linear damping term. Under non standard assumptions on the loss dissipation, we prove the blow-up in the inter-critical regime, and the global…

偏微分方程分析 · 数学 2023-09-06 Makram Hamouda , Mohamed Majdoub

This work investigates radial solutions for nonlinear fractional Schr\"odinger equations driven by multiplicative noise. Leveraging radial deterministic and stochastic Strichartz estimates, we establish local well-posedness in the…

偏微分方程分析 · 数学 2025-06-03 Ao Zhang , Yanjie Zhang , Jinqiao Duan

We study the influence of a multiplicative Gaussian noise, white in time and correlated in space, on the blow-up phenomenon in the supercritical nonlinear Schrodinger equation. We prove that any sufficiently regular and localized…

概率论 · 数学 2007-05-23 Anne de Bouard , Arnaud Debussche

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.…

偏微分方程分析 · 数学 2019-12-12 Qi Zhang , Jinqiao Duan , Yong Chen

We investigate the focusing and defocusing energy-critical stochastic nonlinear Schr\"odinger equation, subject to random perturbations in the form of either additive or multiplicative (Stratonovich) noise. We establish local well-posedness…

偏微分方程分析 · 数学 2026-04-17 Annie Millet , Svetlana Roudenko

This paper is devoted to the study of noise effects on blow-up solutions to stochastic nonlinear Schr\"odinger equations. It is a continuation of our recent work \cite{BRZ14}, where the (local) well-posedness is established in $H^1$, also…

概率论 · 数学 2014-09-16 Viorel Barbu , Michael Röckner , Deng Zhang

We study the focusing stochastic nonlinear Schr\"odinger equation in 1D in the $L^2$-critical and supercritical cases with an additive or multiplicative perturbation driven by space-time white noise. Unlike the deterministic case, the…

偏微分方程分析 · 数学 2022-10-11 Annie Millet , Svetlana Roudenko , Kai Yang

We consider the 3-dimensional nonlinear Schr\"{o}dinger equation (NLS) with average nonlinearity. This is a limiting model of NLS with strong magnetic confinement and a generalized model of the resonant system of NLS with a partial harmonic…

偏微分方程分析 · 数学 2024-11-07 Jumpei Kawakami

This paper is devoted to the analysis of blow-up solutions for the fractional nonlinear Schr\"odinger equation with combined power-type nonlinearities \[ i\partial_t u-(-\Delta)^su+\lambda_1|u|^{2p_1}u+\lambda_2|u|^{2p_2}u=0, \] where…

偏微分方程分析 · 数学 2018-04-04 Binhua Feng

We consider the Schr\"odinger equation in dimension two with a fixed, pointwise, focusing nonlinearity and show the occurrence of a blow-up phenomenon with two peculiar features: first, the energy threshold under which all solutions blow up…

偏微分方程分析 · 数学 2020-04-20 Riccardo Adami , Raffaele Carlone , Michele Correggi , Lorenzo Tentarelli

We consider the focusing 2D non-linear Schr\"odinger equation, perturbed by a damping term, and driven by multiplicative noise. We show that a physically motivated trial solution does not collapse for any admissible initial condition…

数学物理 · 物理学 2017-03-03 Sigurd Assing , Astrid Hilbert

We review the recent progress on the long-time behavior for a general class of focusing $L^2$-critical nonlinear Schr\"odinger equations (NLS) with lower order perturbations. Two canonical models are the stochastic NLS driven by linear…

概率论 · 数学 2022-11-01 Viorel Barbu , Michael Röckner , Deng Zhang

In this paper, we prove that there exists some small $\varepsilon_*>0$, such that the derivative nonlinear Schr\"{o}dinger equation (DNLS) is global well-posedness in the energy space, provided that the initial data $u_0\in H^1(\mathbb{R})$…

偏微分方程分析 · 数学 2014-07-03 Yifei Wu

We consider the supercritical inhomogeneous nonlinear Schr\"odinger equation (INLS) $$i\partial_t u+\Delta u+|x|^{-b}|u|^{2\sigma}u=0,$$ where $(2-b)/N<\sigma<(2-b)/(N-2)$ and $0<b<\min\{2,N\}$. We prove a Gagliardo-Nirenberg type estimate…

偏微分方程分析 · 数学 2016-10-24 Luiz Gustavo Farah

We prove global well-posedness, scattering and blow-up results for energy-subcritical focusing nonlinear Schr\"odinger equations on the hyperbolic space. We show in particular the existence of a critical element for scattering for all…

偏微分方程分析 · 数学 2014-11-17 Valeria Banica , Thomas Duyckaerts

We consider the Cauchy problem for linearly damped nonlinear Schr\"odinger equations \[ i\partial_t u + \Delta u + i a u= \pm |u|^\alpha u, \quad (t,x) \in [0,\infty) \times \mathbb{R}^N, \] where $a>0$ and $\alpha>0$. We prove the global…

偏微分方程分析 · 数学 2020-01-27 Van Duong Dinh

In this paper we consider a stochastic Keller-Segel type equation, perturbed with random noise. We establish that for special types of random pertubations (i.e. in a divergence form), the equation has a global weak solution for small…

偏微分方程分析 · 数学 2021-11-24 Oleksandr Misiats , Oleksandr Stanzhytskyi , Ihsan Topaloglu

By employing a suitable multiplicative It\^o noise with radial structure and with more than linear growth, we show the existence of a unique, global-in-time, strong solution for the stochastic Euler equations in two and three dimensions.…

概率论 · 数学 2025-05-30 Marco Bagnara , Mario Maurelli , Fanhui Xu
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