Single-point blow-up for parabolic systems with exponential nonlinearities and unequal diffusivities
@article{Souplet2015SinglepointBF, title={Single-point blow-up for parabolic systems with exponential nonlinearities and unequal diffusivities}, author={Philippe Souplet and Slim Tayachi}, journal={arXiv: Analysis of PDEs}, year={2015} }
8 Citations
Construction and stability of type I blowup solutions for non-variational semilinear parabolic systems
- MathematicsAdvances in Pure and Applied Mathematics
- 2019
Abstract In this note, we consider the semilinear heat system ∂tu=Δu+f(v),∂tv=μΔv+g(u),μ>0,\partial_{t}u=\Delta u+f(v),\quad\partial_{t}v=\mu\Delta v+g(u),\quad\mu>0, where the nonlinearity…
WELL-POSEDNESS, GLOBAL EXISTENCE AND DECAY ESTIMATES FOR THE HEAT EQUATION WITH GENERAL POWER-EXPONENTIAL NONLINEARITIES
- MathematicsProceedings of the International Congress of Mathematicians (ICM 2018)
- 2019
In this paper we consider the problem: $\partial_{t} u- \Delta u=f(u),\; u(0)=u_0\in \exp L^p(\R^N),$ where $p>1$ and $f : \R\to\R$ having an exponential growth at infinity with $f(0)=0.$ We prove…
Numerical approach to fractional blow-up equations with Atangana-Baleanu derivative in Riemann-Liouville sense
- Mathematics
- 2018
In this paper, we consider a numerical approach for fourth-order time fractional partial differential equation. This equation is obtained from the classical reaction-diffusion equation by replacing…
Blow-up analysis of solutions for weakly coupled degenerate parabolic systems with nonlinear boundary conditions
- Mathematics
- 2021
Blowing Up Solutions for Nonlinear Parabolic Systems with Unequal Elliptic Operators
- MathematicsJournal of Dynamics and Differential Equations
- 2019
We give sufficient conditions for the boundedness of the blow-up set and no boundary blow-up for type I blowing up solutions to a nonlinear parabolic system with unequal elliptic operators. We…
Blow-up set of type I blowing up solutions for nonlinear parabolic systems
- Mathematics
- 2017
We consider the blow-up problem for systems of nonlinear parabolic inequalities and establish a criterion for the location of the blow-up set. Our criterion enables us to obtain sufficient conditions…
Superlinear Parabolic Problems
- MathematicsBirkhäuser Advanced Texts Basler Lehrbücher
- 2019
Preliminaries.- Model Elliptic Problems.- Model Parabolic Problems.- Systems.- Equations with Gradient Terms.- Nonlocal Problems.
References
SHOWING 1-10 OF 25 REFERENCES
Single-point blow-up for a semilinear reaction-diffusion system
- Mathematics
- 2014
In this paper, we consider positive solutions of the system ut −Δu = ur vp, vt −Δv = uq vs t ∈ (0, T ) , x ∈ B(0, R) = {x ∈ Rn | |x| < R} or x ∈ Rn and p, q, r, s > 1 . We prove single-point blow-up…
Single-point blow-up for a semilinear parabolic system
- Mathematics
- 2009
We consider positive solutions of a semilinear parabolic system coupled by power nonlinearities, in a ball or in the whole space. Relatively little is known on the blow-up set for parabolic systems…
On Nonexistence of Type II Blowup for a Supercritical Nonlinear Heat Equation
- Mathematics
- 2004
In this paper we study blowup of radially symmetric solutions of the nonlinear heat equation ut = Δu + |u|p−1u either on ℝN or on a finite ball under the Dirichlet boundary conditions. We assume that…
Blow-up rates for parabolic systems
- Mathematics
- 1996
Let Ω ⊂ ℝn be a bounded domain andBR be a ball in ℝn of radiusR. We consider two parabolic systems: ut=Δu +f(υ), υi=Δυ +g(u) in Ω × (0,T) withu=v=0 on δΩ × (0,T) andut=Δu, vt=Δv inBr × (0,T)…
Blow‐up profiles of solutions for the exponential reaction‐diffusion equation
- Mathematics
- 2011
We consider the blow‐up of solutions for a semilinear reaction‐diffusion equation with exponential reaction term. It is known that certain solutions that can be continued beyond the blow‐up time…
Blow-up of positive solutions of semilinear heat equations
- Mathematics
- 1985
On considere le probleme aux valeurs limites et initiales: u t =Δu+f(u) dans Ω×(0,T), u(x,0)=Φ(x) si x∈Ω, u(x,t)=0 si x∈∂Ω, o<t<T, ou Ω est un domaine borne de R n a frontiere C 2