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UID:0-1030@lptms.universite-paris-saclay.fr
DTSTART;TZID=Europe/Paris:20250401T110000
DTEND;TZID=Europe/Paris:20250401T120000
DTSTAMP:20250321T133854Z
URL:http://www.lptms.universite-paris-saclay.fr/seminars/seminaire-du-lptm
 s-alessandro-manacorda-isc-italy/
SUMMARY:Séminaire du LPTMS : Alessandro Manacorda (ISC\, Italy) - Salle de
 s séminaires du FAST et du LPTMS\, bâtiment Pascal n°530 - 1 Avr 25 11:
 00
DESCRIPTION:\nSometimes you shouldn't reset in the bulk: Finding an optimal
  stochastic resetting profile\nAlessandro Manacorda (ISC\, Italy)\n&nbsp\;
 \n\nFinding a target for a purely Brownian searcher can be a hard task al
 ready in one dimension. Stochastic resetting qualitatively changes the gam
 e making the mean search time finite. An optimal homogeneous resetting r
 ate minimizing the MFPT exists and can be found given the fixed distance
  between the resetting and the target positions. Less is known when the d
 istance is not fixed in every trajectory but is drawn from a distribution\
 , acting as a quenched disorder. Knowledge on the target distribution make
 s resetting desirable or not depending on the searcher's position. We pres
 ent an optimal solution for a heterogeneous resetting rate depending on 
 the distribution of the target position. The optimal search strategy displ
 ays a transition from vanishing bulk resetting to a finite\, space-depende
 nt resetting profile\; we characterize the instabilities of the former and
  find the optimal resetting profiles numerically for two families of targe
 t distributions. The solution found is non-trivial and opens further resea
 rch questions in the field of optimal control with quenched disorder and i
 n search processes with resetting.\n\n&nbsp\;
CATEGORIES:seminars
LOCATION:Salle des séminaires du FAST et du LPTMS\, bâtiment Pascal n°53
 0\, rue André Riviere\, Orsay\, 91405\, France
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=rue André Riviere\, Orsay\
 , 91405\, France;X-APPLE-RADIUS=100;X-TITLE=Salle des séminaires du FAST 
 et du LPTMS\, bâtiment Pascal n°530:geo:0,0
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DTSTART:20250330T030000
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