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UID:7555@i2m.univ-amu.fr
DTSTART;TZID=Europe/Paris:20170512T110000
DTEND;TZID=Europe/Paris:20170512T120000
DTSTAMP:20241120T204408Z
URL:https://www.i2m.univ-amu.fr/evenements/seminaire-probabilites-et-stati
 stique-tba-2/
SUMMARY:Madalina Deaconu (INRIA\, PASTA team\, Nancy Grand-Est ): Stochasti
 c approach of fragmentation - Application to avalanches - Madalina Deaconu
DESCRIPTION:Madalina Deaconu: \n\n\nThe aim of this talk is to introduce a 
 numerical probabilis- tic approach for an avalanche-type process. The orig
 inality of our approach is to use a fragmentation model to describe the av
 alanche phenomenon. We start by introducing a new interpretation of the fr
 agmentation equation by means of branching processes. A particular fragmen
 tation kernel\, which is discontinuous\, leads to a stochastic model for t
 he fragmentation phase of an avalanche. For these processes\, solutions of
  some particular stochastic differential equa- tions of fragmentation\, we
  construct a numerical approx- imation scheme. We analyse in particular th
 is numerical results on our model of avalanches and emphasize the frac- ta
 l property observed theoretically in our model. This is a joint work with 
 Lucian Beznea (IMAR\, Bucharest) and Oana Lupa ̧scu (IMAR\, Bucharest).\n
 \n\n\n\n&nbsp\;
ATTACH;FMTTYPE=image/jpeg:https://www.i2m.univ-amu.fr/wp-content/uploads/2
 020/01/Madalina_Deaconu.jpg
CATEGORIES:Séminaire,Probabilités
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