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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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Citations
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Journal ArticleDOI

Renormalization and blow-up for wave maps from ²×ℝ to ²

TL;DR: In this paper, a one parameter family of finite time blow-ups to the co-rotational wave maps problem from S-2 x R to S2, parameterized by nu is an element of (1/2, 1).
Journal ArticleDOI

Construction and stability of type i blowup solutions for non-variational semilinear parabolic systems

TL;DR: In this paper, the authors consider the semilinear heat system with no gradient structure taking of the particular form and give a precise description of its blowup profiles, which relies on two-step procedure: the reduction of the problem to a finite dimensional one via a spectral analysis, and then solving the finite dimensional problem by a classical topological argument based on index theory.
Journal Article

On the long time behavior of KDV type equations

Nikolay Tzvetkov
- 01 Jan 2004 - 
TL;DR: In a series of recent papers, Martel and Merle solved the long-standing open problem on the existence of blow up solutions in the energy space for the critical generalized Korteweg-de Vries equation as discussed by the authors.
Posted Content

The instability of Bourgain-Wang solutions for the L^2 critical NLS

TL;DR: In this paper, it was shown that any solution with small super critical mass lies on the boundary of both $H^1$ open sets of global solutions that scatter forward and backwards in time, and solutions that blow up in finite time on the right in the log-log regime exhibited in \cite{MR1, MR4, and R1}.
Journal ArticleDOI

Blow-up dynamics for the self-dual Chern–Simons–Schrödinger equation

TL;DR: In this article , the authors review some recent progress on the blow-up dynamics for the self-dual Chern-Simons-Schrödinger equation within equivariance.
References
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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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