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In this study, we examine the asymptotic behavior of solutions to nonlinear Schr\"{o}dinger equations with time-dependent harmonic oscillators and prove the time-decay property of solutions in the case of a long range power type…

数学物理 · 物理学 2020-07-07 Masaki Kawamoto , Ryo Muramatsu

We consider large time asymptotics for damped nonlinear Schr\"{o}dinger equations. It is known that the nonlinear solution asymptotically behaves like a linear solution when time $t$ tends to infinity in the energy space. We prove that its…

偏微分方程分析 · 数学 2026-03-16 Kodai Takagi , Shun Takizawa

In this paper, we consider the large time asymptotic behavior of solutions to systems of two cubic nonlinear Schr"odinger equations in one space dimension. It turns out that for a system there exists a small solution of which asymptotic…

偏微分方程分析 · 数学 2021-12-14 Satoshi Masaki , Jun-ichi Segata , Kota Uriya

In this work, we study a class of nonlocal-in-time kinetic models of incompressible dilute polymeric fluids. The system couples a macroscopic balance of linear momentum equation with a mezoscopic subdiffusive Fokker-Planck equation…

偏微分方程分析 · 数学 2025-11-11 Marvin Fritz , Endre Süli , Barbara Wohlmuth

We are concerned with the long time behaviour of solutions to the fractional porous medium equation with a variable spatial density. We prove that if the density decays slowly at infinity, then the solution approaches the Barenblatt-type…

偏微分方程分析 · 数学 2014-11-21 Gabriele Grillo , Matteo Muratori , Fabio Punzo

In this paper, we mainly study the global strong solutions and its long time decay rates of all order spatial derivatives to a micro-macro model for compressible polymeric fluids with small initial data. This model is a coupling of…

偏微分方程分析 · 数学 2022-10-31 Wenjie Deng , Wei Luo , Zhaoyang Yin

In this paper, we mainly study the large time behavior to a 2D micro-macro model for compressible polymeric fluids with small initial data. This model is a coupling of isentropic compressible Navier-Stokes equations with a nonlinear…

偏微分方程分析 · 数学 2023-03-30 Wenjie Deng , Wei Luo , Zhaoyang Yin

We are interested in the large-time behavior of periodic entropy solutions in $L^\infty$ to anisotropic degenerate parabolic-hyperbolic equations of second-order. Unlike the pure hyperbolic case, the nonlinear equation is no longer…

偏微分方程分析 · 数学 2008-10-17 Gui-Qiang Chen , Benoit Perthame

We study the large time behavior of solutions to the porous medium equation in nonhomogeneous media with critical singular density $$ |x|^{-2}\partial_{t}u=\Delta u^m, \quad \hbox{in} \ \real^N\times(0,\infty), $$ where $m>1$ and $N\geq3$.…

偏微分方程分析 · 数学 2013-09-30 Razvan Iagar , Ariel Sánchez Valdés

In this paper, we study the large-time behavior of small solutions to the standard form of the systems of 1D cubic nonlinear Schr\"odinger equations consisting of two components and possessing a coercive mass-like conserved quantity. The…

偏微分方程分析 · 数学 2024-01-02 Satoshi Masaki

We study the Cauchy problem for a kinetic equation arising in the weak turbulence theory for the cubic nonlinear Schr\"odinger equation. We define suitable concepts of weak and mild solutions and prove local and global well posedness…

数学物理 · 物理学 2013-05-27 Miguel Escobedo , Juan J. L. Velázquez

We study the time-asymptotic behavior of solutions of the Schr\"odinger equation with nonlinear dissipation \begin{equation*} \partial _t u = i \Delta u + \lambda |u|^\alpha u \end{equation*} in ${\mathbb R}^N $, $N\geq1$, where $\lambda\in…

偏微分方程分析 · 数学 2020-05-14 Thierry Cazenave , Zheng Han

In this article we will investigate the large time behavior of solutions of a special class of initial/boundary value problems that involve nonlinear damped beam equations. We will show that the solution energies of global pseudo classical…

偏微分方程分析 · 数学 2025-11-04 David Raske

We study the large time behavior of solutions to the semilinear wave equation with space-dependent damping and absorbing nonlinearity in the whole space or exterior domains. Our result shows how the amplitude of the damping coefficient, the…

偏微分方程分析 · 数学 2024-03-12 Yuta Wakasugi

We prove the existence of a weak solution to the equations describing the inertial motions of a coupled system constituted by a rigid body containing a viscous compressible fluid. We then provide a weak-strong uniqueness result that allows…

偏微分方程分析 · 数学 2020-03-18 Giovanni Paolo Galdi , Václav Mácha , Šárka Nečasová

We analyze a system of PDEs governing the interaction between two compressible mutually noninteracting fluids and a shell of Koiter type encompassing a time dependent 3D domain filled by the fluids. The dynamics of the fluids is modelled by…

偏微分方程分析 · 数学 2023-02-13 Martin Kalousek , Sourav Mitra , Šárka Nečasová

We investigate the long-time behavior of solutions to the isothermal Euler, Korteweg or quantum Navier Stokes equations, as well as generalizations of these equations where the convex pressure law is asymptotically linear near vacuum. By…

偏微分方程分析 · 数学 2020-12-16 Rémi Carles , Kleber Carrapatoso , Matthieu Hillairet

This paper concerns the global well-posedness and large time asymptotic behavior of strong and classical solutions to the Cauchy problem of the Navier-Stokes equations for viscous compressible barotropic flows in two or three spatial…

偏微分方程分析 · 数学 2021-02-22 Jing Li , Zhouping Xin

Time-decaying harmonic oscillators yield dispersive estimates with weak decay, and change the threshold power of the nonlinearity between the short and the long range. In the non-critical case for the time-decaying harmonic oscillator, this…

偏微分方程分析 · 数学 2022-01-20 Masaki Kawamoto

We prove existence of weak solutions for a diffuse interface model for the flow of two viscous incompressible Newtonian fluids with different densities in a bounded domain in two and three space dimensions. In contrast to previous works, we…

偏微分方程分析 · 数学 2019-11-21 Helmut Abels , Yutaka Terasawa
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