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UID:20260910T090550EDT-6198vJuct1@132.216.98.100
DTSTAMP:20260910T130550Z
DESCRIPTION:Title: Exploration of a dense SBM graphon by a random walk\n\nA
 bstract: We are interested in recovering information on a stochastic block
  model from the subgraph discovered by an exploring random walk. Stochasti
 c block models correspond to populations structured into a finite number o
 f types\, where two individuals are connected by an edge independently fro
 m the other pairs and with a probability depending on their types. We cons
 ider here the dense case where the random network can be approximated by a
  graphon. The random walk is attracted to hubs and we discuss how to de-bi
 as the graph obtained by the random walk exploration. This problem is moti
 vated from the study of chain-referral surveys where each interviewee prov
 ides information on her/his contacts in the social network. This is a join
 t work with VO Thi Phuong Thuy.\n\n \n\nLocation: UQAM : salle PK-5115 du 
 201 Av. Président-Kennedy\, Montréal\, QC\, H2X 3Y7\n
DTSTART:20221020T193000Z
DTEND:20221020T203000Z
SUMMARY:Chi Tran (Université Gustav Eiffel)
URL:https://www.mcgill.ca/mathstat/channels/event/chi-tran-universite-gusta
 v-eiffel-342830
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