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CATEGORIES:Isaac Newton Institute Seminar Series
SUMMARY:Derivation of kinetic wave equations: Feynman grap
hs and their combinatorics - Pierre Germain (New Y
ork University)
DTSTART;TZID=Europe/London:20220118T154500
DTEND;TZID=Europe/London:20220118T164500
UID:TALK167612AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/167612
DESCRIPTION:Kinetic wave equations provide a kinetic descripti
on of nonlinear dispersive equations in the weakly
turbulent regime. I will first give an overview o
f this theory\, which developed very rapidly over
the last few years: what are its aims\, and how fa
r did we get?\nThen\, I will introduce \;the m
athematical tools needed to derive rigorously kine
tic wave equations. The basic idea is to expand th
e solution in its data\, to represent this expansi
on through Feynman graphs\, and finally to use the
graph structure to evaluate the contribution of t
he various terms.
LOCATION:Seminar Room 1\, Newton Institute
CONTACT:
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