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CATEGORIES:Partial Differential Equations seminar
SUMMARY:Stability of the Kolmogorov-Zakharov spectrum of w
eak turbulence - Charles Collot\, University of Ce
rgy Pontoise
DTSTART;TZID=Europe/London:20221031T133000
DTEND;TZID=Europe/London:20221031T143000
UID:TALK177968AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/177968
DESCRIPTION:Weakly turbulent waves can be described by the kin
etic wave equation. The first part of the talk wil
l present results on the derivation of this effect
ive equation from a microscopic system described b
y the nonlinear Schrodinger equation. This kinetic
wave equation has isotropic steady states called
Kolmogorov-Zakharov spectra\, that represent casca
des of mass and energy between from small spatial
scales toward large ones and conversely. The secon
d part of the talk will discuss the stability of t
he spectrum associated to the indirect mass cascad
e. This is based on joint works with I. Ampatzoglo
u\, H. Dietert\, and P. Germain.\n
LOCATION:CMS\, MR13
CONTACT:pierre raphael
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