Publication

On type I blow up formation for the critical NLW

Joachim Krieger, Willie Wai Yeung Wong
2014
Journal Articles

Abstract

We introduce a suitable concept of weak evolution in the context of the radial quintic focussing semilinear wave equation on R^{3+1}, that is adapted to continuation past type II singularities. We show that the weak extension leads to type I singularity formation for initial data corresponding to: (i) the Kenig-Merle blow-up solutions with initial energy below the ground state and (ii) the Krieger-Nakanishi-Schlag blow-up solutions sitting initially near and ``above'' the ground state static solution.

Official source

https://infoscience.epfl.ch/entities/publication/766b633f-3331-4b68-9143-c746b6ed52e6

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On type I blow up formation for the critical NLW

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