Dispersion dynamics for the defocusing generalized Korteweg-de Vries equation
Steinerberger, Stefan
الأصل · EN
We study dispersion for the defocusing gKdV equation. It is expected that it is not possible for the bulk of the L²-mass to concentrate in a small interval for a long time. We study a variance-type functional exploiting Tao's monotonicity formula in the spirit of earlier work by Tao as well as Kwon & Shao and quantify its growth in terms of sublevel estimates.
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