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SUMMARY:SPDE population models\, non-linear branching and the (almost) com
 pact support property
DTSTART:20251211T130000Z
DTEND:20251211T140000Z
DTSTAMP:20260424T125200Z
UID:indico-event-14635@indico.math.cnrs.fr
DESCRIPTION:Speakers: Thomas Hughes\n\nThis talk concerns the support prop
 agation phenomenology of spatial populations modelled by SPDEs and coupled
  systems of SDEs\, whose solutions can be viewed as densities of spatial b
 ranching populations with density-dependent (non-linear) branch rates. Aft
 er discussing some classical and new results on the compact support proper
 ty for equations with diffusion motion\, I will discuss a work in progress
  which proves an "almost compact support property" for certain models whos
 e underlying motions are discontinuous. A corollary of this is that the in
 stantaneous propagation of supports for superprocesses with jump motions i
 s\, in a certain sense\, sharp.\nThis talk includes joint work with Marcel
  Ortgiese.\n\nhttps://indico.math.cnrs.fr/event/14635/
LOCATION:435 (ENS)
URL:https://indico.math.cnrs.fr/event/14635/
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