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SUMMARY:Contagious particle systems and the supercooled Stefan problem - A
 ndreas Sojmark (Imperial College London)
DTSTART:20200309T150000Z
DTEND:20200309T160000Z
UID:TALK139441@talks.cam.ac.uk
CONTACT:S.M.Schulz
DESCRIPTION:In this talk I will present a particle system that encapsulate
 s a simple notion of contagion\, and whose mean-field limit turns out to b
 e intimately related to the Stefan problem for supercooled liquids (in one
  dimension). In particular\, we will explore the presence of fragile state
 s for the mean field limit\, which leads to interesting questions of regul
 arity and (non-)uniqueness as well as a selection rule for global existenc
 e that allows for the ''correct'' resolution of the fragile states.
LOCATION:CMS\, MR13
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