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UID:20251121T221603EST-7198orzXUv@132.216.98.100
DTSTAMP:20251122T031603Z
DESCRIPTION:Title: Substrative random forests.\n\nAbstract. Motivated by on
 line recommendation systems\, we study a family of\n	random forests. The ve
 rtices of the forest are labeled by integers. Each non-positive\n	integer i
 s the root of a tree. Vertices labeled by positive integers n are attached
 \n	sequentially such that the parent of vertex n is n−Z_n\, where the Z_n a
 re i.i.d.\n	positive integer-valued random variables. We study several char
 acteristics of the resulting\n	random forest\, including survival and extin
 ction of the trees. \n	\n	The talk is based on joint work with\n	Nicolas Brou
 tin\, Luc Devroye\, and Roberto Imbuzeiro Oliveira.\n\nIn person: Burnside
  Hall\, Room 1214\, 805 Rue Sherbrooke O\, Montréal\, QC H3A 2K6\, Canada 
 (map)\n\nZoom link: https://mcgill.zoom.us/j/82167352773\n	(The zoom link s
 ent on the mailing list does not require a password.  For access via passw
 ord\, contact elliot.paquette [at] mcgill.ca).\n
DTSTART:20220929T153000Z
DTEND:20220929T163000Z
LOCATION:Room 1214\, Burnside Hall\, CA\, QC\, Montreal\, H3A 0B9\, 805 rue
  Sherbrooke Ouest
SUMMARY:Gábor Lugosi (Pompeu Fabra) 
URL:/mathstat/channels/event/gabor-lugosi-pompeu-fabra
 -342394
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