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Related papers: On the temporal decay for the Hall-magnetohydrodyn…

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We are concerned with the 3D incompressible Hall-magnetohydro-dynamic system (Hall-MHD). Our first aim is to provide the reader with an elementary proof of a global well-posedness result for small data with critical Sobolev regularity, in…

Analysis of PDEs · Mathematics 2019-12-20 Raphaël Danchin , Jin Tan

In this paper, we obtain new lower bounds on the Homogeneous Sobolev--norms of the maximal solution of the Magnetohydrodynamics Equations. This gives us some insight on the blow-up behavior of the solution. We utilize standard techniques…

Analysis of PDEs · Mathematics 2015-06-05 Diego Marcon , Wilberclay G. Melo , Lineia Schutz , Juliana S. Ziebell

It is well-known that solutions to the basic problem in the calculus of variations may fail to be Lipschitz continuous when the Lagrangian depends on t. Similarly, for viscosity solutions to time-dependent Hamilton-Jacobi equations one…

Optimization and Control · Mathematics 2011-02-16 Piermarco Cannarsa , Pierre Cardaliaguet

We study the small data global well-posedness and time-decay rates of solutions to the Cauchy problem for 3D compressible Navier-Stokes-Allen-Cahn equations via a refined pure energy method. In particular, the optimal decay rates of the…

Analysis of PDEs · Mathematics 2021-03-23 Xiaopeng Zhao

In this paper we study a class of semilinear wave type equations with viscoelastic damping and delay feedback with time variable coefficient. By combining semigroup arguments, careful energy estimates and an iterative approach we are able…

Analysis of PDEs · Mathematics 2020-09-17 Alessandro Paolucci , Cristina Pignotti

It has been shown in our previous work that the incompressible and irresistive Hall- and electron-magnetohydrodynamic (MHD) equations are illposed on flat domains $M = \mathbb{R}^k \times \mathbb{T}^{3-k}$ for $0 \le k \le 2$. The data and…

Analysis of PDEs · Mathematics 2024-04-23 In-Jee Jeong , Sung-Jin Oh

We consider mildly degenerate Kirchhoff equations with a small parameter and a weak dissipation term. We prove the existence of global solutions when the parameter is small with respect to the size of initial data. Then we provide…

Analysis of PDEs · Mathematics 2010-11-30 Marina Ghisi

We study the decay properties of non-negative solutions to the one-dimensional defocusing damped wave equation in the Fujita subcritical case under a specific initial condition. Specifically, we assume that the initial data are positive,…

Analysis of PDEs · Mathematics 2025-03-18 Kazumasa Fujiwara , Vladimir Georgiev

We investigate the decay for $|x|\rightarrow \infty$ of weak Sobolev type solutions of semilinear nonlocal equations $Pu=F(u)$. We consider the case when $P=p(D)$ is an elliptic Fourier multiplier with polyhomogeneous symbol $p(\xi)$ and…

Analysis of PDEs · Mathematics 2012-03-12 Marco Cappiello , Todor Gramchev , Luigi Rodino

In this paper, we study the large time behavior of solutions to the compressible magnetohydrodynamic equations in the $L^p$-type critical Besov spaces. Precisely, we show that if the initial data in the low frequencies additionally belong…

Analysis of PDEs · Mathematics 2019-06-24 Qunyi Bie , Qiru Wang , Zheng-an Yao

We consider notions of weak solutions to a general class of parabolic problems of linear growth, formulated independently of time regularity. Equivalence with variational solutions is established using a stability result for weak solutions.…

Analysis of PDEs · Mathematics 2025-10-08 Theo Elenius

This paper studies rates of decay to equilibrium for the Becker-D\"oring equations with subcritical initial data. In particular, polynomial rates of decay are established when initial perturbations of equilibrium have polynomial moments.…

Mathematical Physics · Physics 2015-09-08 Ryan W. Murray , Robert L. Pego

In this paper, we investigate the convergence of the global large solution to its associated constant equilibrium state with an explicit decay rate for the compressible Navier-Stokes equations in three-dimensional whole space. Suppose the…

Analysis of PDEs · Mathematics 2020-07-28 Jincheng Gao , Zhengzhen Wei , Zheng-an Yao

We study the large time behavior of solutions near a constant equilibrium to the compressible Euler-Maxwell system in $\r3$. We first refine a global existence theorem by assuming that the $H^3$ norm of the initial data is small, but the…

Analysis of PDEs · Mathematics 2015-09-29 Zhong Tan , Yanjin Wang , Yong Wang

We prove several integral Harnack-type inequalities for local weak solutions of parabolic equations with measurable and bounded coefficients, describing singular s-fractional p-Laplacian diffusion. Then we apply the aforementioned estimates…

Analysis of PDEs · Mathematics 2026-02-10 Filippo M. Cassanello , Simone Ciani , Antonio Iannizzotto

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 optimal estimates for the decay in time of solutions to a rather general class of non-local in time subdiffusion equations in $\mathbb{R}^d$. An important special case is the time-fractional diffusion equation, which has seen much…

Analysis of PDEs · Mathematics 2014-03-10 Jukka Kemppainen , Juhana Siljander , Vicente Vergara , Rico Zacher

The present paper is concerned with the analysis of two strongly coupled systems of degenerate parabolic partial differential equations arising in multiphase thin film flows. In particular, we consider the two-phase thin film Muskat problem…

Analysis of PDEs · Mathematics 2019-06-26 Gabriele Bruell , Rafael Granero-Belinchón

This paper concerns with the large time behavior of solutions to a diffusion approximation radiation hydrodynamics model when the initial data is a small perturbation around an equilibrium state. The global-in-time well-posedness of…

Analysis of PDEs · Mathematics 2022-05-04 Wenjun Wang , Feng Xie , Xiongfeng Yang

We prove local existence of smooth solutions for large data and global smooth solutions for small data to the incompressible, resitive, viscous or inviscid Hall-MHD model. We also show a Liouville theorem for the stationary solutions.

Mathematical Physics · Physics 2012-12-18 Dongho Chae , Pierre Degond , Jian-Guo Liu