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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

Determination of blowup type in the parabolic–parabolic Keller–Segel system

TL;DR: In this paper, a parabolic-parabolic Keller-Segel system was considered, and it was shown that each blowup is type II in radial case and type I in general case.
Journal ArticleDOI

Some remarks on the nonlinear Schrödinger equation with fractional dissipation

TL;DR: In this paper, the Cauchy problem for the L2-critical focussing nonlinear Schrodinger equation with a fractional dissipation was considered and the global existence or the existence of finite time blowup dynamics with the log-log blow-up speed for ∇u(t)L2 was proved.
Journal ArticleDOI

Blow-up for the 1D nonlinear Schrödinger equation with point nonlinearity II: Supercritical blow-up profiles

TL;DR: In this article, the 1D nonlinear Schrodinger equation (NLS) with focusing point nonlinearity was considered and self-similar blow-up solutions belonging to the energy space were obtained by using parabolic cylinder functions.
Posted Content

Monotonicity properties of blow-up time for nonlinear Schr\"{o}dinger equation: numerical tests

TL;DR: In this paper, the dependence of the blow-up time on a parameter in the focusing nonlinear Schrodinger equation was investigated, in the $L 2$-critical and supercritical cases.
Posted Content

On the critical norm concentration for the inhomogeneous nonlinear Schr\"odinger equation

TL;DR: In this article, the authors considered the inhomogeneous nonlinear Schrodiger equation (INLS) in the case of finite-time blow-up solutions and provided an alternative for the classification of minimal mass blowup solutions.
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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