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We study doubly nonlinear parabolic equation arising from the gradient flow for p-Sobolev type inequality, referred as p-Sobolev flow from now on, which includes the classical Yamabe flow on a bounded domain in Euclidean space in the…

偏微分方程分析 · 数学 2021-03-30 Tuomo Kuusi , Masashi Misawa , Kenta Nakamura

This paper is devoted to studying the local behavior of non-negative weak solutions to the doubly non-linear parabolic equation \begin{equation*} \partial_t u^q - \text{div}\big(|D u|^{p-2}D u\big) = 0 \end{equation*} in a space-time…

偏微分方程分析 · 数学 2023-05-16 Verena Bögelein , Frank Duzaar , Ugo Gianazza , Naian Liao , Christoph Scheven

The large time behavior of solutions to the following generalized Burgers-Fisher-KPP equation $$ \partial_tu=u_{xx}+k(u^n)_x+u^p-u^q, \quad (x,t)\in\mathbb{R}\times(0,\infty), $$ with $n\geq2$, $p>q\geq1$ and $k\in\mathbb{R}$, is considered…

偏微分方程分析 · 数学 2026-04-27 Razvan Gabriel Iagar , Ariel Sánchez

In this paper, we study the large time behavior of a class of wave equation with a nonlinear dissipation in non-cylindrical domains. The result we obtained here relaxes the conditions for the nonlinear term coefficients (in precise, that is…

偏微分方程分析 · 数学 2021-03-23 Lingyang Liu

Inspired by Caffarelli-Kohn-Nirenberg, Fefferman and Lin, we try to investigate how to control the set of large value points for the strong solution of Navier-Stokes equations. Besov-Lorentz spaces have multiple indices which can reflect…

偏微分方程分析 · 数学 2024-09-11 Qixiang Yang , Hongwei Li

This paper establishes the precise asymptotic behavior, as time $t$ tends to infinity, for nontrivial, decaying solutions of genuinely nonlinear systems of ordinary differential equations. The lowest order term in these systems, when the…

经典分析与常微分方程 · 数学 2022-12-07 Luan Hoang

Consider the Cauchy problem for a nonlinear diffusion equation \begin{equation} \tag{P} \left\{ \begin{array}{ll} \partial_t u=\Delta u^m+u^\alpha & \quad\mbox{in}\quad{\bf R}^N\times(0,\infty),\\ u(x,0)=\lambda+\varphi(x)>0 &…

偏微分方程分析 · 数学 2018-09-13 Junyong Eom , Kazuhiro Ishige

We study the large time behavior of the sublinear viscosity solution to a singular Hamilton-Jacobi equation that appears in a critical Coagulation-Fragmentation model with multiplicative coagulation and constant fragmentation kernels. Our…

偏微分方程分析 · 数学 2020-10-02 Hiroyoshi Mitake , Hung V. Tran , Truong-Son Van

We develop the regularity theory for solutions to space-time nonlocal equations driven by fractional powers of the heat operator $$(\partial_t-\Delta)^su(t,x)=f(t,x),\quad\hbox{for}~0<s<1.$$ This nonlocal equation of order $s$ in time and…

偏微分方程分析 · 数学 2017-04-14 P. R. Stinga , J. L. Torrea

We propose a positivity preserving entropy decreasing finite volume scheme for nonlinear nonlocal equations with a gradient flow structure. These properties allow for accurate computations of stationary states and long-time asymptotics…

数值分析 · 数学 2015-06-18 José A. Carrillo , Alina Chertock , Yanghong Huang

We study the upper tail behaviors of the local times of the additive stable processes. Let $X_1(t),...,X_p(t)$ be independent, d-dimensional symmetric stable processes with stable index $0<\alpha\le 2$ and consider the additive stable…

概率论 · 数学 2011-11-09 Xia Chen

We consider the large time behavior of the solution to the $3$D Navier-Stokes equation with horizontal viscosity $\Delta_{\rm h} u=\partial_1^2 u+\partial_2^2 u$ and show that the $L^p$ decay rate of the horizontal components of the…

偏微分方程分析 · 数学 2021-09-07 MIkihiro Fujii

We examine the long-time behavior of solutions (and their derivatives) to the micropolar equations with nonlinear velocity damping. Additionally, we get a speed-up gain of $ t^{1/2} $ for the angular velocity, consistent with established…

偏微分方程分析 · 数学 2024-03-20 Cilon F. Perusato , Franco D. Vega

We give an elementary proof of long time inviscid damping for Sobolev perturbations near the Couette flow $(y,0)$ for the 2D Euler equations on $\mathbb{T} \times \mathbb{R}$. For any $s>1$ and any initial vorticity perturbation of size…

偏微分方程分析 · 数学 2025-11-27 Dengjun Guo , Xiaoyutao Luo

We consider the non-cutoff Boltzmann equation in the spatially inhomogeneous, soft potentials regime, and establish decay estimates for large velocity. In particular, we prove that pointwise algebraically decaying upper bounds in the…

偏微分方程分析 · 数学 2023-11-07 Christopher Henderson , Stanley Snelson , Andrei Tarfulea

Through asymptotic expansion, the large-time behavior of incompressible Navier--Stokes flow in $n$-dimensional whole space is depicted. Especially, from their parabolic scalings, large-time behaviors of any terms on the expansion are…

偏微分方程分析 · 数学 2025-05-07 Masakazu Yamamoto

We prove sharp estimates for the decay in time of solutions to a rather general class of non-local in time subdiffusion equations on a bounded domain subject to a homogeneous Dirichlet boundary condition. Important special cases are the…

偏微分方程分析 · 数学 2013-10-02 Vicente Vergara , Rico Zacher

We prove the well-posedness of entropy solutions for a wide class of nonlocal transport equations with nonlinear mobility in one spatial dimension. The solution is obtained as the limit of approximations constructed via a deterministic…

偏微分方程分析 · 数学 2025-09-25 Simone Fagioli , Oliver Tse

This paper establishes a comprehensive well-posedness and regularity theory for time-fractional stochastic partial differential equations on $\mathbb{R}^d$ driven by mixed Wiener--L\'evy noises. The equations feature a Caputo time…

偏微分方程分析 · 数学 2026-01-21 Yong Zhen Yang , Yong Zhou

The large time behavior of the unique strong solution to the barotropic compressible Navier-Stokes system is studied with large external forces and initial data, where the shear viscosity is a positive constant and the bulk one is…

偏微分方程分析 · 数学 2023-10-25 Xinyu Fan , Jing Li , Xue Wang