On Stability of Type II Blow Up for the Critical Nonlinear Wave Equation - Couverture souple

Krieger, Joachim K

 
9781470442996: On Stability of Type II Blow Up for the Critical Nonlinear Wave Equation

Synopsis

The author shows that the finite time type II blow up solutions for the energy critical nonlinear wave equation $ \Box u = -u^5 $ on $\mathbb R^3+1$ constructed in Krieger, Schlag, and Tataru (2009) and Krieger and Schlag (2014) are stable along a co-dimension three manifold of radial data perturbations in a suitable topology, provided the scaling parameter $\lambda (t) = t^-1-\nu $ is sufficiently close to the self-similar rate, i. e. $\nu >0$ is sufficiently small. Our method is based on Fourier techniques adapted to time dependent wave operators of the form $ -\partial _t^2 + \partial _r^2 + \frac 2r\partial _r +V(\lambda (t)r) $ for suitable monotone scaling parameters $\lambda (t)$ and potentials $V(r)$ with a resonance at zero.

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À propos de l?auteur

Joachim K Krieger, Ecole Polytechnique Federale de Lausanne, Switzerland

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