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SUMMARY:Renormalisation in Regularity Structures: Part I - Ajay Chandra (U
 niversity of Warwick)
DTSTART:20181025T080000Z
DTEND:20181025T090000Z
UID:TALK113011@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:The inception of regularity structures provided a robust deter
 ministic theory that generalized the notion of &ldquo\;Taylor expansion" a
 nd classical notions of regularity in a way flexible enough to encode reno
 rmalisation - this led to rapid development in the local existence theory 
 for singular stochastic SPDE.<br><br>In the years that followed the framew
 ork for implementing renormalisation in regularity structures has become m
 uch more robust. I will describe these developments with an emphasis on ho
 w the stochastic estimates needed in regularity structures can be obtained
  by using methods from multiscale perturbation theory with a twist.
LOCATION:Seminar Room 1\, Newton Institute
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