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In this paper, we study the strong global attractors for a three dimensional nonclassical diffusion equation with memory. First, we prove the existence and uniqueness of strong solutions for the equations by the Galerkin method. Then we…

偏微分方程分析 · 数学 2023-04-03 Yuming Qin , Xiaolei Dong , Alain Miranville , Ke Wang

The time-dependent transmission coefficient for the Kramers problem exhibits different behaviors in different parameter regimes. In the high friction regime it decays monotonically ("non-adiabatic"), and in the low friction regime it decays…

统计力学 · 物理学 2009-10-31 Ramon Reigada , Aldo H. Romero , Katja Lindenberg , Jose M. Sancho

In this work, we carry out the asymptotic analysis of the two dimensional convective Brinkman-Forchheimer (CBF) equations, which characterize the motion of incompressible fluid flows in a saturated porous medium. We establish the existence…

偏微分方程分析 · 数学 2020-12-01 Manil T. Mohan

In this paper we consider the long time behavior of the weakly damped, forced Korteweg-de Vries equation in the Sololev spaces of the negative indices in the periodic case. We prove that the solutions are uniformly bounded in…

偏微分方程分析 · 数学 2009-10-27 Yongsheng Li , Yifei Wu

We study the non-autonomous weakly damped wave equation with subquintic growth condition on the nonlinearity. Our main focus is the class of Shatah--Struwe solutions, which satisfy the Strichartz estimates and are coincide with the class of…

偏微分方程分析 · 数学 2021-01-19 Jakub Banaśkiewicz , Piotr Kalita

This paper is concerned with long-time dynamics of semilinear wave equations defined on bounded domains of $\mathbb{R}^3$ with cubic nonlinear terms and locally distributed damping. The existence of regular finite-dimensional global…

偏微分方程分析 · 数学 2021-02-25 To Fu Ma , Paulo N. Seminario-Huertas

In this paper we prove the existence of weak solutions to degenerate parabolic systems arising from the fully coupled moisture movement, solute transport of dissolved species and heat transfer through porous materials. Physically relevant…

偏微分方程分析 · 数学 2017-07-24 Michal Beneš , Igor Pažanin

Combining scattering matrix theory with non-linear $\sigma$-model and Keldysh technique we develop a unified theoretical approach enabling one to non-perturbatively study the effect of electron-electron interactions on weak localization and…

介观与纳米尺度物理 · 物理学 2015-05-20 Dmitri S. Golubev , Andrew G. Semenov , Andrei D. Zaikin

We derive novel low-temperature asymptotics for the spectrum of the infinitesimal generator of the overdamped Langevin dynamics. The novelty is that this operator is endowed with homogeneous Dirichlet conditions at the boundary of a domain…

偏微分方程分析 · 数学 2026-02-12 Noé Blassel , Tony Lelièvre , Gabriel Stoltz

Using shape theory and the concept of cellularity, we show that if $A$ is the global attractor associated with a dissipative partial differential equation in a real Hilbert space $H$ and the set $A-A$ has finite Assouad dimension $d$, then…

A subset $A$ of the state space is called uniformly globally weakly attractive if for any neighborhood $S$ of $A$ and any bounded subset $B$ there is a uniform finite time $\tau$ so that any trajectory starting in $B$ intersects $S$ within…

最优化与控制 · 数学 2017-06-23 Andrii Mironchenko

We consider an initial boundary value problem for a quantum version of the Zakharov system arising in plasma physics. We prove the global well-posedness of this problem in some Sobolev type classes and study properties of solutions. This…

数学物理 · 物理学 2015-05-30 Igor Chueshov

We consider an aggregation-diffusion equation modelling particle interaction with non-linear diffusion and non-local attractive interaction using a homogeneous kernel (singular and non-singular) leading to variants of the Keller-Segel model…

偏微分方程分析 · 数学 2016-12-28 Vincent Calvez , Jose Antonio Carrillo , Franca Hoffmann

We develop the attractors theory for the semigroups with multidimensional time belonging to some closed cone in an Euclidean space and apply the obtained general results to partial differential equations (PDEs) in unbounded domains. The…

偏微分方程分析 · 数学 2022-08-04 Anna Kostianko , Sergey Zelik

The Fredholm equations for one-dimensional two-component Fermions with repulsive and with attractive delta-function interactions are solved by an asymptotic expansion for A) strong repulsion, B) weak repulsion, C) weak attraction and D)…

量子气体 · 物理学 2015-05-30 Xi-Wen Guan , Zhong-Qi Ma

We consider a heat problem with discontinuous diffusion coefficientsand discontinuous transmission boundary conditions with a resistancecoefficient. For all compact $(\epsilon,\delta)$-domains $\Omega\subset\mathbb{R}^n$ with a $d$-set…

偏微分方程分析 · 数学 2015-09-08 Claude Bardos , Denis Grebenkov , Anna Rozanova-Pierrat

We present a thermodynamic theory of weakly excited two-dimensional granular systems from the view point of elementary excitations of spinless Fermion systems. We introduce a global temperature T that is associated with the acceleration…

材料科学 · 物理学 2009-10-30 Hisao Hayakawa , Daniel C. Hong

We study the Euler equations with the so-called Ekman damping in the whole 2D space. The global well-posedness and dissipativity for the weak infinite energy solutions of this problem in the uniformly local spaces is verified based on the…

偏微分方程分析 · 数学 2015-09-30 Vladimir Chepyzhov , Sergey Zelik

We study a chaotic particle-conserving kinetically constrained model, with a single parameter which allows us to break reflection symmetry. Through extensive numerical simulations we find that the domain wall state shows a variety of…

量子物理 · 物理学 2026-02-03 Pietro Brighi , Marko Ljubotina

We study a two-phase modified Stefan problem modeling solid combustion and nonequilibrium phase transition. The problem is known to exhibit a variety of non-trivial dynamical scenarios. We develop a priori estimates and establish…

偏微分方程分析 · 数学 2007-05-23 M. L. Frankel , V. Roytburd