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SUMMARY:Diffusion processes on branching Brownian motion - Sebastian Andre
 s (Cambridge)
DTSTART:20161122T163000Z
DTEND:20161122T173000Z
UID:TALK67815@talks.cam.ac.uk
CONTACT:Perla Sousi
DESCRIPTION:Branching Brownian motion (BBM) is a classical process in prob
 ability\, describing a population of particles performing independent Brow
 nian motion and branching according to a Galton Watson process. In this ta
 lk we present a one-dimensional diffusion process on BBM particles which i
 s symmetric with respect to a certain random martingale measure. This proc
 ess is obtained by a time-change of a standard Brownian motion in terms of
  the associated positive continuous additive functional. In a sense it may
  be regarded as an analogue of Liouville Brownian motion which has been re
 cently constructed in the context of a Gaussian free field. This is joint 
 work with Lisa Hartung.
LOCATION:MR12\, CMS\, Wilberforce Road\, Cambridge\, CB3 0WB
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