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TZID:Europe/Paris
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BEGIN:VEVENT
UID:7182@i2m.univ-amu.fr
DTSTART;TZID=Europe/Paris:20181130T110000
DTEND;TZID=Europe/Paris:20181130T120000
DTSTAMP:20241120T203442Z
URL:https://www.i2m.univ-amu.fr/evenements/construction-of-set-valued-dual
 -processes-via-random-mappings-laurent-miclo/
SUMMARY:Laurent Miclo (IMT\, Université Paul Sabatier Toulouse III): Const
 ruction of set-valued dual processes via random mappings - Laurent Miclo
DESCRIPTION:Laurent Miclo: The strong stationary times introduced by Aldous
  and Diaconis [1986] provide a probabilistic approach to quantitative conv
 ergence to equilibrium.\nThey are often obtained as the absorption times o
 f intertwining dual processes\, following a method due to Diaconis and Fil
 l [1990].\nWe will see how to deduce explicit constructions from certain r
 andom mappings\, related to the coupling-from-the-past algorithm of Propp 
 and Wilson [1996]\nand to the evolving sets of Morris and Peres [2005]. Th
 is approach is very flexible and can be adapted\, via the coalescing stoch
 astic flows of Le Jan and Raimond [2006] associated to Tanaka's equation\,
  to recover Pitman's theorem [1975]\non the intertwining relation between 
 the Brownian motion and the Bessel-3 process. The talk will end by the pre
 sentation of a new kind of coalescing stochastic flows that would enable u
 s to go further.\n\n\n
ATTACH;FMTTYPE=image/jpeg:https://www.i2m.univ-amu.fr/wp-content/uploads/2
 020/01/Laurent_Miclo.jpg
CATEGORIES:Séminaire,Probabilités
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TZID:Europe/Paris
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DTSTART:20181028T020000
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