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UID:20260916T030250EDT-5167Wzemkj@132.216.98.100
DTSTAMP:20260916T070250Z
DESCRIPTION:Title: On Doubly-Infinite Geodesics In First-Passage Percolatio
 n Above Two Dimensions\n	\n	Abstract: First-passage percolation (FPP) is the
  study of the weighted graph metric induced by i.i.d. nonnegative edge wei
 ghts on $\mathbb{Z}^d$. Many results and conjectures on the model involve 
 the behavior of infinite geodesics: infinite paths whose finite subsegment
 s are geodesics for the FPP metric. In particular\, do doubly-infinite geo
 desics exist? Much progress has been made on this question when $d = 2$\, 
 but the methods used there rely heavily on planarity. We will discuss new 
 techniques which rule out a class of bigeodesics when $d > 2$ as well\, pr
 oviding the first results for general dimension. Based on joint works with
  G. Brito and M. Damron.\n
DTSTART:20191113T200000Z
DTEND:20191113T210000Z
LOCATION:Room 1205\, Burnside Hall\, CA\, QC\, Montreal\, H3A 0B9\, 805 rue
  Sherbrooke Ouest
SUMMARY:Jack Hanson (City College of NY)
URL:https://www.mcgill.ca/mathstat/channels/event/jack-hanson-city-college-
 ny-302417
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