Results 71 to 80 of about 942 (96)

A note on Berestycki-Cazenave's classical instability result for nonlinear Schrödinger equations [PDF]

open access: yesadvanced nonlinear studies (2008) Adv. Nonlinear Stud. 8 (2008), no. 3, 455-463, 2007
In this note we give an alternative, shorter proof of the classical result of Berestycki and Cazenave on the instability by blow-up for the standing waves of some nonlinear Schr\"odinger equations.
arxiv  

Low regularity for a quadratic Schrödinger equation on the circle [PDF]

open access: yesarXiv, 2008
In this paper we consider a Schrodinger equation on the circle with a quadratic nonlinearity. Thanks to an explicit computation of the first Picard iterate, we give a precision on the dynamic of the solution, whose existence was proved by C. E. Kenig, G. Ponce and L. Vega.
arxiv  

Stability of mean convex cones under mean curvature flow [PDF]

open access: yesarXiv, 2008
We consider graphical solutions to mean curvature flow and obtain a stability result for homothetically expanding solutions coming out of cones of positive mean curvature: If another solution is initially close to the cone at infinity, then the difference to the homothetically expanding solution becomes small for large times.
arxiv  

Arbitrary decays for a viscoelastic equation

open access: yesBoundary Value Problems, 2011
In this paper, we consider the nonlinear viscoelastic equation ∣ u t ∣ ρ u t t - Δ u - Δ u t t + ∫ 0 t g ( t - s ) Δ u ( s ) d s + ∣ u ∣ p u = 0 , in a ...
Wu Shun-Tang
doaj  

Dynamical analysis of a discrete-time COVID-19 epidemic model. [PDF]

open access: yesMath Methods Appl Sci, 2022
Qadeer Khan A   +3 more
europepmc   +1 more source

Blow-up for an evolution p-laplace system with nonlocal sources and inner absorptions

open access: yesBoundary Value Problems, 2011
This paper investigates the blow-up properties of positive solutions to the following system of evolution p-Laplace equations with nonlocal sources and inner absorptions { u t − div ( | ∇ u | p − 2 ∇ u ) =
Liu Dengming   +3 more
doaj  

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