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In recent years, the global existence of classical solutions to the Cauchy problem for 2D incompressible viscous MHD equations without magnetic diffusion has been proved in \cite{Ren,TZhang}, under the assumption that initial data is close…

Analysis of PDEs · Mathematics 2025-05-22 Shijin Ding , Ronghua Pan , Yi Zhu

We consider the Cauchy problem for the nonlinear Schr\"odinger equations (NLS) with non-algebraic nonlinearities on the Euclidean space. In particular, we study the energy-critical NLS on $\mathbb{R}^d$, $d=5,6$, and energy-critical NLS…

Analysis of PDEs · Mathematics 2017-08-07 Tadahiro Oh , Mamoru Okamoto , Oana Pocovnicu

We consider the cubic nonlinear Schr\"odinger equation, posed on $\R^n\times M$, where $M$ is a compact Riemannian manifold and $n\geq 2$. We prove that under a suitable smallness in Sobolev spaces condition on the data there exists a…

Analysis of PDEs · Mathematics 2011-03-21 Nikolay Tzvetkov , Nicola Visciglia

In this paper, we study the Cauchy problem for the 3D energy-critical inhomogeneous nonlinear Schr\"odinger equation(INLS) $$i\partial_{t}u+\Delta u=\pm|x|^{-\alpha}|u|^{4-2\alpha}u$$ with strong singularity $3/2\leq \alpha<2$. The…

Analysis of PDEs · Mathematics 2025-01-07 Yoonjung Lee

We consider the stochastic nonlinear Schr\"odinger equations (SNLS) posed on $d$-dimensional tori with either additive or multiplicative stochastic forcing. In particular, for the one-dimensional cubic SNLS, we prove global well-posedness…

Analysis of PDEs · Mathematics 2018-03-08 Kelvin Cheung , Razvan Mosincat

In this paper we prove local well-posedness of a space-time fractional generalization of the nonlinear Schr\"odinger equation with a power-type nonlinearity. The linear equation coincides with a model proposed by Naber, and displays a…

Analysis of PDEs · Mathematics 2019-09-12 Ricardo Grande

In this paper we consider the local well-posedness theory for the quadratic nonlinear Schr\"odinger equation with low regularity initial data in the case when the nonlinearity contains derivatives. We work in 2+1 dimensions and prove a…

Analysis of PDEs · Mathematics 2007-05-23 Ioan Bejenaru

The global well-posedness and stability of solutions to the three-dimensional compressible Euler equations with damping is a longstanding open problem. This problem was addressed in \cite{WY, STW} in the isentropic regime (i.e. $\gamma>1$)…

Analysis of PDEs · Mathematics 2025-02-19 Feimin Huang , Houzhi Tang , Shuxing Zhang , Weiyuan Zou

We study the question of well-posedness of the Cauchy problem for Schr\"odinger maps from $\rone \times \rtwo$ to the sphere $\stwo$ or to ${\mathbb H^2}$, the hyperbolic space. The idea is to choose an appropriate gauge change so that the…

Analysis of PDEs · Mathematics 2007-05-23 Andrea Nahmod , Atanas Stefanov , Karen Uhlenbeck

It is shown that if the system of the Euler equations has a special global in time smooth solution with the linear profile of velocity, then another solutions with Cauchy data, close in the Sobolev norm to the initial data of the given…

Analysis of PDEs · Mathematics 2007-05-23 Olga S. Rozanova

Integrable and nonintegrable discrete nonlinear Schr\"odinger equations (NLS) are significant models to describe many phenomena in physics. Recently, Ablowitz and Musslimani introduced a class of reverse space, reverse time and reverse…

Pattern Formation and Solitons · Physics 2019-08-14 Jia-Liang Ji , Zong-Wei Xu , Zuo-Nong Zhu

In this paper, we consider the well-posedness of the weakly damped stochastic nonlinear Schr\"odinger(NLS) equation driven by multiplicative noise. First, we show the global existence of the unique solution for the damped stochastic NLS…

Probability · Mathematics 2018-01-18 Jianbo Cui , Jialin Hong , Liying Sun

We prove existence and uniqueness of smooth solutions with large initial data for a system of equations modeling the interaction of short waves, governed by a nonlinear Schr\"odinger equation, and long waves, described by the equations of…

Analysis of PDEs · Mathematics 2019-06-03 Hermano Frid , Daniel R. Marroquin , João F. C. Nariyoshi

We study nonlinear Schr\"odinger equations, posed on a three dimensional Riemannian manifold $M$. We prove global existence of strong $H^1$ solutions on $M=S^3$ and $M=S^2\times S^1$ as far as the nonlinearity is defocusing and sub-quintic…

Analysis of PDEs · Mathematics 2007-05-23 N. Burq , P. Gerard , N. Tzvetkov

We are interested in the scattering problem for the cubic 3D nonlinear defocusing Schr\"odinger equation with variable coefficients. Previous scattering results for such problems address only the cases with constant coefficients or assume…

Analysis of PDEs · Mathematics 2025-03-10 David Lafontaine , Boris Shakarov

We consider non-gauge-invariant cubic nonlinear Schr\"odinger equations in one space dimension. We show that initial data of size $\varepsilon$ in a weighted Sobolev space lead to solutions with sharp $L_x^\infty$ decay up to time…

Analysis of PDEs · Mathematics 2017-07-19 Jason Murphy , Fabio Pusateri

We prove global well-posedness for the cubic nonlinear Schr\"odinger equation for periodic initial data in the mass-critical dimension $d=2$ for initial data of arbitrary size in the defocusing case and data below the ground state threshold…

Analysis of PDEs · Mathematics 2026-04-28 Sebastian Herr , Beomjong Kwak

We consider the Schr\"odinger equation with no radial assumption on real hyperbolic spaces. We obtain sharp dispersive and Strichartz estimates for a large family of admissible pairs. As a first consequence, we get strong well-posedness…

Analysis of PDEs · Mathematics 2010-01-07 Jean-Philippe Anker , Vittoria Pierfelice

In this paper, we introduce a novel first-order derivative for functions on a lattice graph, which extends the discrete Laplacian and generalizes the theory of discrete PDEs on lattices. First, we establish the well-posedness of generalized…

Analysis of PDEs · Mathematics 2024-10-29 Jiajun Wang

In this paper, we consider solutions to the following fourth order anisotropic nonlinear Schr\"odinger equation in $\R \times \R^2$, $$ \left\{ \begin{aligned} &\textnormal{i}\partial_t\psi+\partial_{xx} \psi-\partial_{yyyy} \psi…

Analysis of PDEs · Mathematics 2024-06-21 Vladimir Georgiev , Tianxiang Gou
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