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This paper is concerned with the decay estimate of solutions to the semilinear wave equation subject to two localized dampings in a bounded domain. The first one is of the nonlinear Kelvin-Voigt type and is distributed around a neighborhood…

Analysis of PDEs · Mathematics 2023-02-14 Kaïs Ammari , Marcelo M. Cavalcanti , Sabeur Mansouri

In this paper, we address the space-time decay properties for strong solutions to the incompressible viscous resistive Hall-MHD equations. We obtained the same space-time decay rates as those of the heat equation. Based on the temporal…

Analysis of PDEs · Mathematics 2016-03-16 Shangkun Weng

We study the 1D Klein-Gordon equation with variable coefficient nonlinearity. This problem exhibits an interesting resonant interaction between the spatial frequencies of the nonlinear coefficients and the temporal oscillations of the…

Analysis of PDEs · Mathematics 2014-06-11 Jacob Sterbenz

This work concerns the study of persistence property in polynomial weighted spaces for solutions of the generalized fractional KdV equation in any spatial dimension $d\geq 1$. By establishing well-posedness results in conjunction with some…

Analysis of PDEs · Mathematics 2024-10-14 Alysson Cunha , Oscar Riaño

We consider solutions of the massless scalar wave equation $\Box_g\psi=0$ on a fixed Rindler background and show polynomial decay of the energy flux related to the Rindler observers near null infinity and to local observers near the Rindler…

General Relativity and Quantum Cosmology · Physics 2024-04-18 Anne Franzen , Yafet Sanchez Sanchez

We give a new decay framework for general dissipative hyperbolic system and hyperbolic-parabolic composite system, which allow us to pay less attention on the traditional spectral analysis in comparison with previous efforts. New…

Analysis of PDEs · Mathematics 2015-03-17 Jiang Xu , Shuichi Kawashima

The discretization of convection-diffusion equations by implicit or semi-implicit methods leads to a sequence of linear systems usually solved by iterative linear solvers such as GMRES. Many techniques bearing the name of \emph{recycling…

Numerical Analysis · Mathematics 2018-07-26 Giuseppe Pitton , Luca Heltai

In this paper we consider the local energy decay result for wave equations with a short-range potential. It is important to note that one never uses a finite speed of propagation property unlike the historical previous papers. The essential…

Analysis of PDEs · Mathematics 2022-10-19 Ryo Ikehata

We study global behavior of small solutions of the Gross-Pitaevskii equation in three dimensions. We prove that disturbances from the constant equilibrium with small, localized energy, disperse for large time, according to the linearized…

Analysis of PDEs · Mathematics 2008-03-24 S. Gustafson , K. Nakanishi , T. -P. Tsai

This paper is concerned with the Cauchy problem of Navier-Stokes equations for compressible viscous heat-conductive fluids with far-field vacuum at infinity in $\R^3$. For less regular data and weaker compatibility condition than those…

Analysis of PDEs · Mathematics 2021-10-28 Suhua Lai , Hao Xu , Jianwen Zhang

We obtain a dispersive long-time decay in weighted energy norms for solutions of 3D Klein-Gordon equation with magnetic and scalar potentials. The decay extends the results obtained by Jensen and Kato for the Schroedinger equation with…

Analysis of PDEs · Mathematics 2013-10-15 Alexander Komech , Elena Kopylova

We show in this article how perturbative approaches~from our work with Hitrik (see also the work by Anantharaman-Macia) and the {\em black box} strategy from~ our work with Zworski allow to obtain decay rates for Kelvin-Voigt damped wave…

Analysis of PDEs · Mathematics 2020-06-18 Nicolas Burq

We review the effective field theory of modified gravity in which the Lagrangian involves three dimensional geometric quantities appearing in the 3+1 decomposition of space-time. On the flat isotropic cosmological background we expand a…

High Energy Physics - Theory · Physics 2015-02-24 Ryotaro Kase , Shinji Tsujikawa

We generalize the Abstract Interpolation Lemma proved by the authors in [2]. Using this extension, we show in a more general context, the persistence property for the generalized Korteweg-de Vries equation, see (1.2), in the weighted…

Analysis of PDEs · Mathematics 2013-03-29 Xavier Carvajal , Wladimir Neves

Consider the Vlasov-Poisson-Landau system with Coulomb potential in the weakly collisional regime on a $3$-torus, i.e. $$\begin{aligned} \partial_t F(t,x,v) + v_i \partial_{x_i} F(t,x,v) + E_i(t,x) \partial_{v_i} F(t,x,v) = \nu…

Analysis of PDEs · Mathematics 2022-09-13 Sanchit Chaturvedi , Jonathan Luk , Toan T. Nguyen

The commuting vector fields approach, devised for strichartz estimates in [13], was developed for proving the local well-posedness in the Sobolev spaces $H^s$ with $s>2+\frac{2-\sqrt{3}}{2}$ for general quasi-linear wave equation in…

Analysis of PDEs · Mathematics 2014-08-19 Qian Wang

We are concerned with the decay of long time solutions of the initial value problem associated with the Schr\"odinger-Korteweg-de Vries system. We use recent techniques in order to show that solutions of this system decay to zero in the…

Analysis of PDEs · Mathematics 2020-10-29 F. Linares , A. J. Mendez

We establish dispersive and Strichartz estimates for solutions to the linear time-dependent Schr\"odinger equations with potential in three dimensions. Our main focus is on the small rough time-dependent potentials. Examples of such…

Analysis of PDEs · Mathematics 2007-05-23 I. Rodnianski , W. Schlag

We prove dispersive decay, pointwise in time, for solutions to the mass-critical nonlinear Schr\"odinger equation in spatial dimensions $d=1,2,3$.

Analysis of PDEs · Mathematics 2024-03-18 Chenjie Fan , Rowan Killip , Monica Visan , Zehua Zhao

We consider the Vlasov-Poisson equation in $\mathbb{R}^3$ with initial data which are not $L^1$ in space and have unbounded support in the velocities. Assuming for the density a slight decay in space and a strong decay in velocities, we…

Mathematical Physics · Physics 2018-10-05 Silvia Caprino , Guido Cavallaro , Carlo Marchioro