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UID:20260811T014232EDT-4556VvSju8@132.216.98.100
DTSTAMP:20260811T054232Z
DESCRIPTION:ISS Informal Systems Seminar\n\nSpeaker: Nicolas Gast – INRIA\,
  France \n \n\n	Presentation on YouTube.\n\n	Abstract: Many resource allocat
 ion problems can be modeled as « weakly coupled MDPs ». In such a problem\
 , an operator is faced with a population of entities whose state evolves o
 ver time. The evolution of the entities are coupled only through the actio
 ns of the controller. These problems are in general computationally hard f
 or a finite population of entities but are interestingly easier when the p
 opulation is infinite. In particular\, there exists different LP-based rel
 axations (including the famous Whittle index) that generally provide near-
 optimal solutions. The goal of this talk is to introduce these policies\, 
 and to present recent results on when they become asymptotically optimal a
 s the number of resources goes to infinity.\n\n	Biography: Nicolas Gast is 
 a tenured research scientist at Inria (Grenoble\,France) since 2014\, and 
 currently visiting MIT for the semester. He graduated from Ecole Normale S
 uperieure (Paris\,France) in 2007 and received a Ph.D. from the University
  of Grenoble in 2010. He was a research fellow at EPFL from 2010 to 2014. 
 His research focuses on the development and the use of stochastic models a
 nd optimization methods for the design of control algorithms in large-scal
 e systems.\n
DTSTART:20230411T150000Z
DTEND:20230411T150000Z
LOCATION:CA\, ZOOM
SUMMARY:How to Use Mean-Field Control for Restless Bandits and Weakly Coupl
 ed MDPs 
URL:/channels/channels/event/how-use-mean-field-contro
 l-restless-bandits-and-weakly-coupled-mdps-351627
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