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Related papers: Quasi-geostrophic equation in $\mathbb{R}^2$

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We construct a unique global solution to the Cauchy problem of the 3D Boltzmann equation for initial data around the Maxwellian in the spatially critical homogeneous Besov space…

Analysis of PDEs · Mathematics 2025-07-15 Jing Liu , Ling-Yun Shou , Jiang Xu

We consider a Cauchy Dirichlet problem for a quasilinear second order parabolic equation with lower order term driven by a singular coefficient. We establish an existence result to such a problem and we describe the time behavior of the…

Analysis of PDEs · Mathematics 2020-11-16 Fernando Farroni , Luigi Greco , Gioconda Moscariello , Gabriella Zecca

We are concerned with Dirichlet problems of the form $${\mathop{\rm div}\nolimits} (|D u|^{p-2}Du)+f(u)=0\ \mbox{ in }\Omega,\qquad u=0\ \mbox{ on }\partial\Omega, $$ where $\Omega$ is a bounded domain of $\mathbb{R}^n$, $n\ge 2$, $1<p<n$…

Analysis of PDEs · Mathematics 2019-12-30 Riccardo Molle , Donato Passaseo

In this paper, we consider the 2-D generalized surface quasi-geostrophic equation with the velocity $v$ determined by $v=\mathcal{R}^{\perp}\Lambda^{\gamma-1}\theta$. It is shown that the $L^p$ type energy norm of weak solutions is…

Analysis of PDEs · Mathematics 2022-08-17 Yanqing Wang , Yulin Ye , Huan Yu

The work is devoted to Dirichlet problem for sub-quintic semi-linear wave equation with damping damping term of the form $(-\Delta)^\alpha\partial_t u$, $\alpha\in(0,\frac{1}{2})$, in bounded smooth domains of $\Bbb R^3$. It appears that to…

Analysis of PDEs · Mathematics 2014-03-31 Anton Savostianov

Whether or not the solution to 2D resistive MHD equations is globally smooth remains open. This paper establishes the global regularity of solutions to the 2D almost resistive MHD equations, which require the dissipative operators…

Analysis of PDEs · Mathematics 2016-03-02 Baoquan Yuan , Jiefeng Zhao

We investigate the Cauchy problem for a 2x2-system of weakly coupled semi-linear fractional wave equations with polynomial nonlinearities posed in R+ x RN. Under appropriate conditions on the exponents and the fractional orders of the time…

Analysis of PDEs · Mathematics 2020-10-08 Ahmad Bashir , Mohamed Berbiche , Ahmed Elsaedi , Mokhtar Kirane

We give a sufficient condition for H\"older continuity at a boundary point for quasiminima of double-phase functionals of $p,q$-Laplace type, in the setting of metric measure spaces equipped with a doubling measure and supporting a…

Analysis of PDEs · Mathematics 2025-07-25 Antonella Nastasi , Cintia Pacchiano Camacho

We establish two global boundedness results for weak solutions to generalized Schr\"{o}dinger-type double phase problems with variable exponents in $\mathbb{R}^N$ under new critical growth conditions optimally introduced in [26, 32]. More…

Analysis of PDEs · Mathematics 2026-04-23 Hoang Hai Ha , Ky Ho , Bui The Quan , Inbo Sim

Cauchy problem for an abstract hyperbolic equation with the Lipschitz continuous operator is considered in the Hilbert space. The operator corresponding to the elliptic part of the equation is a sum of operators…

Numerical Analysis · Mathematics 2022-07-26 Nana Dikhaminjia , Jemal Rogava , Mikheil Tsiklauri

In this paper, we are concerned with the Cauchy problem of the generalized surface quasi-geostrophic (SQG) equation in which the velocity field is expressed as $u=K\ast\omega$, where $\omega=\omega(x,t)$ is an unknown function and…

Analysis of PDEs · Mathematics 2018-10-02 Huan Yu , Xiaoxin Zheng , Quansen Jiu

We consider the 2D quasi-geostrophic equation with supercritical dissipation and dispersive forcing in the whole space. When the dispersive amplitude parameter is large enough, we prove the global well-posedness of strong solution to the…

Analysis of PDEs · Mathematics 2013-05-06 M. Cannone , C. Miao , L. Xue

In this paper, we study the Cauchy problem for the energy-critical inhomogeneous nonlinear Schr\"{o}dinger equation with inverse-square potential \[iu_{t} +\Delta u-c|x|^{-2}u=\lambda|x|^{-b} |u|^{\sigma } u,\; u(0)=u_{0} \in…

Analysis of PDEs · Mathematics 2021-09-21 RoeSong Jang , JinMyong An , JinMyong Kim

We review the integrable structure of the Dirichlet boundary problem in two dimensions. The solution to the Dirichlet boundary problem for simply-connected case is given through a quasiclassical tau-function, which satisfies the Hirota…

High Energy Physics - Theory · Physics 2007-05-23 A. Marshakov , A. Zabrodin

We consider the Lane-Emden Dirichlet problem \begin{equation}\tag{1} \left\{\begin{array}{lr}-\Delta u= |u|^{p-1}u\qquad \mbox{ in }\Omega u=0\qquad\qquad\qquad\mbox{ on }\partial \Omega \end{array}\right. \end{equation} when $p>1$ and…

Analysis of PDEs · Mathematics 2016-02-26 Francesca De Marchis , Isabella Ianni , Filomena Pacella

In this paper, we study the Cauchy problem for the linear plate equation with mass term and its applications to semilinear models. For the linear problem we obtain $L^p-L^q$ estimates for the solutions in the full range $1\leq p\leq q\leq…

Analysis of PDEs · Mathematics 2024-06-26 Alexandre Arias Junior , Halit Sevki Aslan , Antonio Lagioia , Marcelo Rempel Ebert

We study two types of asymptotic problems whose common feature - and difficulty- is to exhibit oscillating Dirichlet boundary conditions : the main contribution of this article is to show how to recover the Dirichlet boundary condition for…

Analysis of PDEs · Mathematics 2012-05-22 Guy Barles , Elisabeth Mironescu

We show that a bilinear estimate for biharmonic functions in a Lipschitz domain $\Omega$is equivalent to the solvability of the Dirichlet problem for the biharmonic equationin $\Omega$. As a result, we prove that for any given bounded…

Analysis of PDEs · Mathematics 2009-10-28 Joel Kilty , Zhongwei Shen

We look for nonconstant, positive, radially nondecreasing solutions of the quasilinear equation $-\Delta_p u+u^{p-1}=f(u)$ with $p>2$, in the unit ball $B$ of $\mathbb R^N$, subject to homogeneous Neumann boundary conditions. The…

Analysis of PDEs · Mathematics 2020-04-01 Francesca Colasuonno

We study Cauchy problem for the Hardy-H\'enon parabolic equation with an inverse square potential, namely, \[\partial_tu -\Delta u+a|x|^{-2} u= |x|^{\gamma} F_{\alpha}(u),\] where $a\ge-(\frac{d-2}{2})^2,$ $\gamma\in \mathbb R$, $\alpha>1$…

Analysis of PDEs · Mathematics 2026-04-29 Divyang G. Bhimani , Saikatul Haque , Masahiro Ikeda