Journée-séminaire de combinatoire

(équipe CALIN du LIPN, université Paris-Nord, Villetaneuse)

Le 13 novembre 2012 à 14h00 en B107, Nick Beaton nous parlera de : Self-avoiding walks and polygon models

Résumé : In their recent paper proving the connective constant mu of self-avoiding walks (SAWs) on the hexagonal (honeycomb) lattice, Duminil-Copin and Smirnov consider the generating function of self-avoiding bridges which span a strip of width T, and conjecture that this generating function vanishes at 1/mu in the large T limit. This generating function was again considered by Bousquet-Mélou, de Gier, Duminil-Copin, Guttmann and myself when we studied the adsorption of SAWs onto an impenetrable surface, and we proved the conjecture of Duminil-Copin and Smirnov. I will discuss this conjecture and its proof, as well as what happens after rotating the lattice by pi/4.

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