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In this paper, we prove the existence of forward discretely self-similar solutions to the MHD equations and the viscoelastic Navier-Stokes equations with damping with large weak $L^3$ initial data. The same proving techniques are also…

偏微分方程分析 · 数学 2022-10-19 Chen-Chih Lai

We survey the various constructions of forward self-similar solutions (and generalizations of self-similar solutions) to the Navier-Stokes equations. We also include and prove an extension of a recent result from [7].

偏微分方程分析 · 数学 2018-02-02 Zachary Bradshaw , Tai-Peng Tsai

For the incompressible Navier-Stokes equations in the 3D half space, we show the existence of forward self-similar solutions for arbitrarily large self-similar initial data.

偏微分方程分析 · 数学 2017-01-25 Mikhail Korobkov , Tai-Peng Tsai

We construct forward self-similar solutions (expanders) for the compressible Navier-Stokes equations. Some of these self-similar solutions are smooth, while others exhibit a singularity do to cavitation at the origin.

偏微分方程分析 · 数学 2019-03-26 Pierre Germain , Tsukasa Iwabuchi

We construct self-similar solutions to the 2D Navier--Stokes equations evolving from arbitrarily large $-1$--homogeneous initial data and present numerical evidence for their non-uniqueness.

偏微分方程分析 · 数学 2026-01-07 Dallas Albritton , Julien Guillod , Mikhail Korobkov , Xiao Ren

We prove the existence of a forward discretely self-similar solutions to the Navier-Stokes equations in $ \Bbb R^{3}\times (0,+\infty)$ for a discretely self-similar initial velocity belonging to $ L^2_{ loc}(\Bbb R^{3})$.

偏微分方程分析 · 数学 2016-10-06 Dongho Chae , Joerg Wolf

Chae and Wolf recently constructed discretely self-similar solutions to the Navier-Stokes equations for any discretely self similar data in $L^2_{\mathrm{loc}}$. Their solutions are in the class of local Leray solutions with projected…

偏微分方程分析 · 数学 2019-10-30 Zachary Bradshaw , Tai-Peng Tsai

Motivated by \cite{JS}, we prove that there exists a global, forward self-similar solution to the viscoelastic Navier-Stokes equation with damping, that is smooth for $t>0$, for any initial data that is homogeneous of degree $-1$.

偏微分方程分析 · 数学 2016-01-28 Baishun Lai , Junyu Lin , Changyou Wang

In this paper, we present two constructions of forward self-similar solutions to the $3$D incompressible Navier-Stokes system, as the singular limit of forward self-similar solutions to certain parabolic systems.

偏微分方程分析 · 数学 2021-11-30 Francis Hounkpe , Gregory Seregin

For any discretely self-similar, incompressible initial data $v_0$ which satisfies $\|v_0 \|_{L^3_w(\mathbb R^3)}\leq c_0$ where $c_0$ is allowed to be large, we construct a forward discretely self-similar local Leray solution in the sense…

偏微分方程分析 · 数学 2015-10-27 Zachary Bradshaw , Tai-Peng Tsai

In this paper, we prove existence of smooth solutions of the Navier-Stokes equations that gives a positive answer to the problem proposed by Fefferman [3].

偏微分方程分析 · 数学 2013-08-20 Dongsheng Li

We study cavitating self-similar solutions to compressible Navier-Stokes equations with degenerate density-dependent viscosity. We prove both existence of expanders and non-existence of small shrinkers.

偏微分方程分析 · 数学 2020-12-30 Pierre Germain , Tsukasa Iwabuchi , Tristan Léger

We study forward self-similar solutions to the 3-D Navier-Stokes equations with the fractional diffusion $(-\Delta)^{\alpha}.$ First, we construct a global-time forward self-similar solutions to the fractional Navier-Stokes equations with…

偏微分方程分析 · 数学 2019-06-28 Baishun Lai , Changxing Miao , Xiaoxin Zheng

This article is devoted to backward self-similar blow up solutions of the compressible Navier-Stokes equations with radial symmetry. We show that such solutions cannot exist if they either satisfy an appropriate smallness condition, or have…

偏微分方程分析 · 数学 2019-11-04 Pierre Germain , Tsukasa Iwabuchi , Tristan Léger

We study the forward self-similar solutions to the $2$D hypodissipative Navier-Stokes equation with fractional diffusion $(-\Delta)^\alpha$ for $\frac{1}{2}<\alpha<1$. We first show that for arbitrarily large $(1-2\alpha)$-homogeneous…

偏微分方程分析 · 数学 2026-03-16 Thomas Y. Hou , Peicong Song

We establish a connection between the strong solution to the spatially periodic Navier-Stokes equations and a solution to a system of forward-backward stochastic differential equations (FBSDEs) on the group of volume-preserving…

概率论 · 数学 2010-01-21 Ana Bela Cruzeiro , Evelina Shamarova

We introduce new classes of solutions to the three dimensional Navier-Stokes equations in the whole and half spaces that add rotational correction to self-similar and discretely self-similar solutions. We construct forward solutions in…

偏微分方程分析 · 数学 2016-10-19 Zachary Bradshaw , Tai-Peng Tsai

The existence of singular solutions of the incompressible Navier-Stokes system with singular external forces, the existence of regular solutions for more regular forces as well as the asymptotic stability of small solutions (including…

偏微分方程分析 · 数学 2007-05-23 Marco Cannone , Grzegorz Karch

We study the solutions of the nonstationary incompressible Navier--Stokes equations in $\R^d$, $d\ge2$, of self-similar form $u(x,t)=\frac{1}{\sqrt t}U\bigl(\frac{x}{\sqrt t}\bigr)$, obtained from small and homogeneous initial data $a(x)$.…

偏微分方程分析 · 数学 2009-11-13 Lorenzo Brandolese

We establish the global existence of forward self-similar solutions to the two-dimensional incompressible Navier-Stokes equations for any divergence-free initial velocity that is homogeneous of degree $-1$ and locally H\"older continuous.…

偏微分方程分析 · 数学 2026-01-16 Changfeng Gui , Hao Liu , Chunjing Xie
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