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UID:20260601T175531EDT-1913RfMZIR@132.216.98.100
DTSTAMP:20260601T215531Z
DESCRIPTION:Title: Sign clusters in the Infinite-Ising weighted triangulati
 ons.\n\nAbstract: In this talk\, I will survey some recent results about I
 sing-decorated triangulations. In this model\, triangulations are sampled 
 together with a spin configuration on their vertices (i.e. a 2-coloring of
  its vertices)\, with a probability biased by the number of monochromatic 
 edges\, via a parameter nu. The fact that there exists a critical value fo
 r this model has been initially established in the physics literature by K
 azakov and was rederived by combinatorial methods by Bousquet-Mélou and S
 chaeffer\, and Bouttier\, Di Francesco and Guitter.\n\nIn this talk\, I wi
 ll give geometric evidence that this model undergoes a phase transition by
  studying its monochromatic clusters. In particular\, we establish that\, 
 when nu is critical or subcritical\, the cluster of the root is finite alm
 ost surely\, and is infinite with positive probability for nu supercritica
 l.\n\nThis is based on joint works with Laurent Ménard and with Laurent Mé
 nard and Gilles Schaeffer.\n\nZoom link: https://mcgill.zoom.us/j/88913958
 273?pwd=cDBIWGF3bmZSUmRzMFdLNGR3V2FXUT09\n	\n	 \n
DTSTART:20230915T140000Z
DTEND:20230915T150000Z
LOCATION:Room 1214\, Burnside Hall\, CA\, QC\, Montreal\, H3A 0B9\, 805 rue
  Sherbrooke Ouest
SUMMARY:Marie Albenque (Paris Cité)
URL:/mathstat/channels/event/marie-albenque-paris-cite
 -350813
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