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We study the long time behavior of small solutions to the semi-relativistic Hartree equations in two dimension. The nonlinear term is convolved with the singular potential $|x|^{-\gamma}$ for $1<\gamma<2$, which is referred to as…

偏微分方程分析 · 数学 2023-12-22 Changhun Yang

In this paper, we consider the energy critical nonlinear Schr\"odinger equation with a repulsive inverse square potential. In particular, we deal with radial initial data, whose energy is equal to the energy of static solution to the…

偏微分方程分析 · 数学 2023-02-13 Masaru Hamano , Masahiro Ikeda

We consider the Cauchy problem for the spatially inhomogeneous Landau equation with soft potentials in the case of large (i.e. non-perturbative) initial data. We construct a solution for any bounded, measurable initial data with uniform…

偏微分方程分析 · 数学 2019-09-16 Christopher Henderson , Stanley Snelson , Andrei Tarfulea

In this paper we consider the Schr\"odinger equation with power-like nonlinearity and confining potential or without potential. This equation is known to be well-posed with data in a Sobolev space $\H^{s}$ if $s$ is large enough and…

偏微分方程分析 · 数学 2009-01-30 Laurent Thomann

We prove global existence and modified scattering for the solutions of the Cauchy problem to the fractional Korteweg-de Vries equation with cubic nonlinearity for small, smooth and localized initial data.

偏微分方程分析 · 数学 2020-09-29 Jean-Claude Saut , Yuexun Wang

In this paper, we prove the decay and scattering in the energy space for nonlinear Schr\"odinger equations with regular potentials in $\Bbb R^d$ namely, $i{\partial _t}u + \Delta u - V(x)u + \lambda |u|^{p - 1}u = 0$. We will prove decay…

偏微分方程分析 · 数学 2017-03-13 Ze Li , Lifeng Zhao

Scattering for the mass-critical fractional Schr\"odinger equation with a cubic Hartree-type nonlinearity for initial data in a small ball in the scale-invariant space of three-dimensional radial and square-integrable initial data is…

偏微分方程分析 · 数学 2019-01-29 Sebastian Herr , Changhun Yang

We continue the study of the theory of scattering for some long range Hartree equations with potential |x|^-gamma, performed in a previous paper, denoted as I, in the range 1/2 < gamma < 1. Here we extend the results to the range 1/3 <…

偏微分方程分析 · 数学 2015-06-15 J. Ginibre , G. Velo

For the Cauchy problem of nonlinear elastic wave equations of three dimensional isotropic, homogeneous and hyperelastic materials satisfying the null condition, global existence of classical solutions with small initial data was proved in…

偏微分方程分析 · 数学 2022-12-13 Dongbing Zha

This paper studies the Cauchy problem for systems of semi-linear wave equations on $\mathbb{R}^{3+1}$ with nonlinear terms satisfying the null conditions. We construct future global-in-time classical solutions with arbitrarily large initial…

偏微分方程分析 · 数学 2015-12-31 Shuang Miao , Long Pei , Pin Yu

The aim of this paper is to determine the critical exponent for the nonlinear wave equations with damping and potential terms of the scale invariant order, by assuming that these terms satisfy a special relation. We underline that our…

偏微分方程分析 · 数学 2022-08-23 Masakazu Kato , Hideo Kubo

We prove scattering for a massless wave equation which is critical in two space dimensions. Our method combines conformal inversion with decay estimates from Struwe's previous work on global existence of a similar equation.

偏微分方程分析 · 数学 2016-01-20 Martin Sack

In the context of the Cauchy problem for the Korteweg-de Vries equation we extend the inverse scattering transform to initial data that behave at plus infinity like a sum of Wigner-von Neumann type potentials with small coupling constants.…

数学物理 · 物理学 2022-05-04 Sergei Grudsky , Alexei Rybkin

We consider non-linear Schr\"odinger equations with a potential, and non-local non-linearities, that are models in mesoscopic physics, for example of a quantum capacitor, and that also are models of molecular structure. We study in detail…

数学物理 · 物理学 2020-05-22 María de los Ángeles Sandoval Romero , Ricardo Weder

We study the Cauchy problem of the semilinear damped wave equation with polynomial nonlinearity, and establish the local and global existence of the solution for slowly decaying initial data not belonging to $L^2(\mathbb{R}^n)$ in general.…

偏微分方程分析 · 数学 2026-05-04 Masahiro Ikeda , Takahisa Inui , Yuta Wakasugi

We are studying possible interaction of damping coefficients in the subprincipal part of the linear 3D wave equation and their impact on the critical exponent of the corresponding nonlinear Cauchy problem with small initial data. The main…

偏微分方程分析 · 数学 2018-10-16 Vladimir Georgiev , Hideo Kubo , Kyouhei Wakasa

In this paper, we establish a conformal scattering theory for defocusing semilinear wave equations on Schwarzschild spacetime. We combine the energy and pointwise decay results for solutions obtained in \cite{Yang} with a Sobolev embedding…

偏微分方程分析 · 数学 2026-03-20 Pham Truong Xuan

We consider the Cauchy problem for systems of semilinear wave equations in two space dimensions. We present a structural condition on the nonlinearity under which the energy decreases to zero as time tends to infinity if the Cauchy data are…

偏微分方程分析 · 数学 2015-10-13 Soichiro Katayama , Akitaka Matsumura , Hideaki Sunagawa

In this paper we study a Cauchy problem for the nonlinear damped wave equations for a general positive operator with discrete spectrum. We derive the exponential in time decay of solutions to the linear problem with decay rate depending on…

偏微分方程分析 · 数学 2017-12-15 Michael Ruzhansky , Niyaz Tokmagambetov

We study the local existence of strong solutions for the cubic nonlinear wave equation with data in $H^s(M)$, $s<1/2$, where $M$ is a three dimensional compact riemannian manifold. This problem is supercritical and can be shown to be…

偏微分方程分析 · 数学 2009-11-13 N. Burq , N. Tzvetkov