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In this paper, the authors consider an initial boundary value problem for the heat flow of equation of surfaces with constant mean curvatures, which was investigated in [On the heat flow of equation of surfaces of constant mean curvatures,…

Analysis of PDEs · Mathematics 2021-04-06 Haixia Li

In this paper, we use the modified potential well method to study the long time behaviors of solutions to the heat flow of H-system in a bounded smooth domain of $R^2$. Global existence and finite time blowup of solutions are proved when…

Analysis of PDEs · Mathematics 2020-01-03 Fei Fang , Yannan Liu

In this paper, we study the formation of finite time singularities in the form of super norm blowup for a spatially inhomogeneous hyperbolic system. The system is related to the variational wave equations as those in [18]. The system posses…

Analysis of PDEs · Mathematics 2013-11-21 Geng Chen , Tao Huang , Chun Liu

We construct finite time blow-up solutions to the Landau-Lifshitz-Gilbert equation (LLG) from ${\mathbb R}^2$ into $S^2$ \begin{equation*} \begin{cases} u_t= a(\Delta u+|\nabla u|^2u) -b u\wedge \Delta u &\ \mbox{ in }\ {\mathbb…

Analysis of PDEs · Mathematics 2025-01-27 Juncheng Wei , Qidi Zhang , Yifu Zhou

In this paper we study the Burgers equation with a nonlocal term of the form $Hu$ where $H$ is the Hilbert transform. This system has been considered as a quadratic approximation for the dynamics of a free boundary of a vortex patch. We…

Analysis of PDEs · Mathematics 2015-05-18 Angel Castro , Diego Cordoba , Francisco Gancedo

We construct finite time blow-up solutions to the 2-dimensional harmonic map flow into the sphere $S^2$, \begin{align*} u_t & = \Delta u + |\nabla u|^2 u \quad \text{in } \Omega\times(0,T) \\ u &= \varphi \quad \text{on } \partial…

Analysis of PDEs · Mathematics 2019-07-18 Juan Davila , Manuel del Pino , Juncheng Wei

In this paper, we will study the existence of finite time singularity to harmonic heat flow and their formation patterns. After works of Coron-Ghidaglia, Ding and Chen-Ding, one knows blow-up solutions under smallness of initial energy for…

Analysis of PDEs · Mathematics 2021-12-30 Shi-Zhong Du

We exhibit a stable finite time blow up regime for the 1-corotational energy critical harmonic heat flow from $\Bbb R^2$ into a smooth compact revolution surface of $\Bbb R^3$ which reduces to the semilinear parabolic problem $$\partial_t u…

Analysis of PDEs · Mathematics 2011-06-07 Pierre Raphael , Remi Schweyer

We study finite-time singularities in the linear advection-diffusion equation with a variable speed on a semi-infinite line. The variable speed is determined by an additional condition at the boundary, which models the dynamics of a contact…

Analysis of PDEs · Mathematics 2013-02-07 D. E. Pelinovsky , A. R. Giniyatullin

This paper deals with the longstanding quest of the possible existence of finite-time singularities in the equations governing the dynamics of inviscid fluids, namely, Euler equations. Here, two contributions are brought for the case of…

Fluid Dynamics · Physics 2026-05-19 Mokhtar Adda-Bedia , Sergio Rica

Finite time blow up vs global regularity question for 3D Euler equation of fluid mechanics is a major open problem. Several years ago, Luo and Hou \cite{HouLuo14} proposed a new finite time blow up scenario based on extensive numerical…

Analysis of PDEs · Mathematics 2020-10-05 Siming He , Alexander Kiselev

We consider the energy critical four dimensional semi linear heat equation \partial tu-\Deltau-u3 = 0. We show the existence of type II finite time blow up solutions and give a sharp description of the corresponding singularity formation.…

Analysis of PDEs · Mathematics 2013-02-22 Rémi Schweyer

The search of finite-time singularity solutions of Euler equations is considered for the case of an incompressible and inviscid fluid. Under the assumption that a finite-time blow-up solution may be spatially anisotropic as time goes by…

Fluid Dynamics · Physics 2022-01-07 Sergio Rica

In this paper, we study the formation of finite time singularities for the solution of the boundary layer equations in the two-dimensional incompressible heat conducting flow. We obtain that the first spacial derivative of the solution…

Analysis of PDEs · Mathematics 2019-03-19 Ya-Guang Wang , Shi-Yong Zhu

In this article, we establish the existence of a family of hypersurfaces $(\Gamma (t))_{0< t \leq T}$ which evolve by the vanishing mean curvature flow in Minkowski space and which as $t$ tends to~$0$ blow up towards a hypersurface which…

Analysis of PDEs · Mathematics 2019-02-20 Hajer Bahouri , Alaa Marachli , Galina Perelman

This work investigates the formation of singularities under the steepest descent $L^2$-gradient flow of the functional $\mathcal W_{\lambda_1, \lambda_2}$, the sum of the Willmore energy, $\lambda_1$ times the area, and $\lambda_2$ times…

Analysis of PDEs · Mathematics 2018-07-06 Simon Blatt

Inspired by the numerical evidence of a potential 3D Euler singularity \cite{luo2014potentially,luo2013potentially-2}, we prove finite time singularity from smooth initial data for the HL model introduced by Hou-Luo in…

Analysis of PDEs · Mathematics 2021-06-15 Jiajie Chen , Thomas Y. Hou , De Huang

We prove finite time blowup of the Burgers-Hilbert equation. We construct smooth initial data with finite $H^5$-norm such that the $L^\infty$-norm of the spacial derivative of the solution blows up. The blowup is an asymptotic self-similar…

Analysis of PDEs · Mathematics 2022-01-13 Ruoxuan Yang

We consider the energy supercritical harmonic heat flow from $\mathbb{R}^d$ into the $d$-sphere $\mathbb{S}^d$ with $d \geq 7$. Under an additional assumption of 1-corotational symmetry, the problem reduces to the one dimensional semilinear…

Analysis of PDEs · Mathematics 2018-08-15 Tej-Eddine Ghoul , Slim Ibrahim , Van Tien Nguyen

We consider the 1D cubic NLS on $\mathbb R$ and prove a blow-up result for functions that are of borderline regularity, i.e. $H^s$ for any $s<-\frac 12$ for the Sobolev scale and $\mathcal F L^\infty$ for the Fourier-Lebesgue scale. This is…

Analysis of PDEs · Mathematics 2023-11-29 Valeria Banica , Renato Lucà , Nikolay Tzvetkov , Luis Vega
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