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We study the long time behavior of solutions to a nonlinear partial differential equation arising in the description of trapped rotating Bose-Einstein condensates. The equation can be seen as a hybrid between the well-known nonlinear…

Analysis of PDEs · Mathematics 2016-08-08 Alexey Cheskidov , Daniel Marahrens , Christof Sparber

We study Lorentz-violating models of massive gravity which preserve rotations and are invariant under time-dependent shifts of the spatial coordinates. In the linear approximation the Newtonian potential in these models has an extra…

High Energy Physics - Theory · Physics 2009-11-11 S. Dubovsky , P. Tinyakov , I. Tkachev

In this article we study the long-time behaviour of a system of nonlinear Partial Differential Equations (PDEs) modelling the motion of incompressible, isothermal and conducting modified bipolar fluids in presence of magnetic field. We…

Analysis of PDEs · Mathematics 2015-07-06 Paul Andre Razafimandimby

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…

Analysis of PDEs · Mathematics 2023-04-03 Yuming Qin , Xiaolei Dong , Alain Miranville , Ke Wang

We discuss various issues related to the finite-dimensionality of the asymptotic dynamics of solutions of parabolic equations. In particular, we study the regularity of the vector field on the global attractor associated with these…

Analysis of PDEs · Mathematics 2010-08-31 Eleonora Pinto de Moura , James C. Robinson

This paper is concerned with the interaction between a planar traveling front and a compact obstacle for monotone bistable reaction-diffusion systems in exterior domains. By constructing appropriate sub- and supersolutions, we first…

Analysis of PDEs · Mathematics 2026-03-25 Yang-Yang Yan , Wei-Jie Sheng

We prove the existence of a compact global attractor for the dynamics of the forced critical surface quasi-geostrophic equation (SQG) and prove that it has finite fractal (box-counting) dimension. In order to do so we give a new proof of…

Analysis of PDEs · Mathematics 2015-06-16 Peter Constantin , Andrei Tarfulea , Vlad Vicol

This work aims to study the initial-boundary value problem of the reaction-diffusion equation $\pa_{t}u-\Delta u=f(u)+g(u(t-\tau(t,u_t)))+h(t,x)$ in a bounded domain with state-dependent delay and supercritical nonlinearities. We establish…

Analysis of PDEs · Mathematics 2024-02-27 Ruijing Wang , Desheng Li

We prove, under generic assumptions, that the special variational traveling wave that minimizes the exponentially weighted Ginzburg-Landau functional associated with scalar reaction-diffusion equations in infinite cylinders is the long-time…

Analysis of PDEs · Mathematics 2012-07-02 C. B. Muratov , M. Novaga

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…

Mathematical Physics · Physics 2015-05-30 Igor Chueshov

A time-space fractional reaction-diffusion equation in a bounded domain is considered. Under some conditions on the initial data, we show that solutions may experience blow-up in a finite time. However, for realistic initial conditions,…

Analysis of PDEs · Mathematics 2020-04-09 Ahmed Alsaedi , Mokhtar Kirane , Berikbol T. Torebek

A method is proposed to deal with some multivalued semiflows with weak continuity properties. An application to the reaction-diffusion problems with nonmonotone multivalued semilinear boundary condition and nonmonotone multivalued…

Analysis of PDEs · Mathematics 2014-02-07 P. Kalita , G. Łukaszewicz

If the semigroup is slowly non-dissipative, i.e., its solutions can diverge to infinity as time tends to infinity, one still can study its dynamics via the approach by the unbounded attractors - the counterpart of the classical notion of…

Dynamical Systems · Mathematics 2022-09-30 Jakub Banaśkiewicz , Alexandre N. Carvalho , Juan Garcia-Fuentes , Piotr Kalita

In this paper we obtain a detailed description of the global and cocycle attractors for the skew-product semiflows induced by the mild solutions of a family of scalar linear-dissipative parabolic problems over a minimal and uniquely ergodic…

Dynamical Systems · Mathematics 2017-12-15 Tomas Caraballo , Jose antonio Lnaga , Rafael Obaya , Ana M. Sanz

We consider the Rayleigh--B\'{e}nard problem for the three--dimensional Boussinesq system for the micropolar fluid. We introduce the notion of the multivalued eventual semiflow and prove the existence of the two-space global attractor…

Mathematical Physics · Physics 2020-10-28 Piotr Kalita , Grzegorz Łukaszewicz

The fast diffusion equation is analyzed on a bounded domain with Dirichlet boundary conditions, for which solutions are known to extinct in finite time. We construct invariant manifolds that provide a finite-dimensional approximation near…

Analysis of PDEs · Mathematics 2024-04-02 Beomjun Choi , Christian Seis

The dependence of the fractal dimension of global attractors for the damped 3D Euler--Bardina equations on the regularization parameter $\alpha>0$ and Ekman damping coefficient $\gamma>0$ is studied. We present explicit upper bounds for…

Analysis of PDEs · Mathematics 2022-03-14 Alexei Ilyin , Anna Kostianko , Sergey Zelik

We consider N run and tumble particles in one dimension interacting via a linear 1D Coulomb potential, an active version of the rank diffusion problem. It was solved previously for N = 2 leading to a stationary bound state in the attractive…

Statistical Mechanics · Physics 2024-11-08 Léo Touzo , Pierre Le Doussal

We establish the boundedness of solutions of reaction-diffusion systems with quadratic (in fact slightly super-quadratic) reaction terms that satisfy a natural entropy dissipation property, in any space dimension N>2. This bound imply the…

Analysis of PDEs · Mathematics 2017-09-19 Cristina Caputo , Thierry Goudon , Alexis Vasseur

In this paper, we study the asymptotic behavior of the solutions of a nonautonomous differential inclusion modeling a reaction-diffusion equation with a discontinuous nonlinearity. We obtain first several properties concerning the…

Analysis of PDEs · Mathematics 2024-05-06 José Valero