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Journal ArticleDOI

Profiles and Quantization of the Blow Up Mass for Critical Nonlinear Schrödinger Equation

TLDR
In this paper, the authors consider finite time blow up solutions to the critical nonlinear Schrodinger equation, and prove that the solution splits in two parts: the first part corresponds to the singular part and accumulates a quantized amount of L2 mass at the blow up point, the second part correspond to the regular part and has a strong L2 limit at blow up time.
Abstract
We consider finite time blow up solutions to the critical nonlinear Schrodinger equation Open image in new window For a suitable class of initial data in the energy space H1, we prove that the solution splits in two parts: the first part corresponds to the singular part and accumulates a quantized amount of L2 mass at the blow up point, the second part corresponds to the regular part and has a strong L2 limit at blow up time.

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Posted Content

Blow-up in higher-order reaction-diffusion and wave equations: how $\sqrt{log log}$ factor occurs

TL;DR: The origin of non self-similar blow-up in higher-order reaction-diffusion (parabolic), wave (hyperbolic) and nonlinear dispersion equations is explained by a combination of various methods.
Posted Content

Self-similar blow-up profiles for slightly supercritical nonlinear Schr\"odinger equations

TL;DR: In this paper, Sulem et al. constructed radially symmetric self-similar blow-up profiles for the mass supercritical nonlinear Schr\"odinger equation and showed that these profiles bifurcate from the ground state solitary wave.
Journal ArticleDOI

Profiles of blow-up solutions for the Gross-Pitaevskii equation

TL;DR: In this paper, the blow-up solutions of the Cauchy problem for Gross-Pitaevskii equation were analyzed in terms of Merle and Raphael's arguments as well as Carles' transformation.
Journal ArticleDOI

On Uniqueness of Multi-bubble Blow-Up Solutions and Multi-solitons to $$L^2$$-Critical Nonlinear Schrödinger Equations

TL;DR: In this article , the uniqueness of nonlinear Schrödinger equations in the pseudo-conformal space was proved for a large energy class of multi-bubble blow-up solutions.
Dissertation

Sur l’explosion critique et surcritique pour les équations des ondes et de la chaleur semi-linéaires

TL;DR: In this article, a troisieme porte sur la classification des dynamiques possibles pres de l’etat stationnaire radial for l'equation de la chaleur dans le regime dit energie critique, trois scenarios ayant lieu : the stabilisation, l'instabilite par explosion auto-similaire a profil explosif constant en espace, and l'inabilitate par dissipation vers la solution nulle.
References
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Journal ArticleDOI

Nonlinear scalar field equations, I existence of a ground state

TL;DR: In this article, a constrained minimization method was proposed for the case of dimension N = 1 (Necessary and sufficient conditions) for the zero mass case, where N is the number of dimensions in the dimension N.
BookDOI

The nonlinear Schrödinger equation : self-focusing and wave collapse

TL;DR: In this article, the authors present a basic framework to understand structural properties and long-time behavior of standing wave solutions and their relationship to a mean field generation and acoustic wave coupling.
Journal ArticleDOI

On a class of nonlinear Schro¨dinger equations

TL;DR: In this paper, the existence of standing wave solutions of nonlinear Schrodinger equations was studied and sufficient conditions for nontrivial solutionsu ∈W¯¯¯¯1,2(ℝ�姫 n ) were established.
Journal ArticleDOI

Uniqueness of positive solutions of Δu−u+up=0 in Rn

TL;DR: In this article, the uniqueness of the positive, radially symmetric solution to the differential equation Δu−u+up=0 (with p>1) in a bounded or unbounded annular region in Rn for all n ≥ 1, with the Neumann boundary condition on the inner ball and the Dirichlet boundary condition decaying to zero in the case of an unbounded region, was established.
Journal ArticleDOI

Nonlinear Schrödinger equations and sharp interpolation estimates

TL;DR: In this paper, a sharp sufficient condition for global existence for the nonlinear Schrodinger equation is obtained for the case σ = 2/N. This condition is derived by solving a variational problem to obtain the best constant for classical interpolation estimates of Nirenberg and Gagliardo.
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