Date:
Friday 30th January 2015 - 11:30 to 12:30
Venue:
INI Seminar Room 1
Abstract:
Co-authors: Béatrice de Tilière (LPMA, UPMC), Kilian Raschel (LMPT, University of Tours)
Isoradial graphs form an interesting subset of planar graphs to study critical integrable models: the geometric properties of their embedding are related to the Yang-Baxter equation and allows one to develop a discrete theory of complex analysis.
After having reviewed some results about critical models on those graphs, we will define a massive Laplacian on isoradial graphs with integrability properties.
This massive Laplacian can be used to study off-criticality models from statistical mechanics on these infinite non-periodic graphs (e.g. spanning forests), for which local correlations are obtained, and phase transition as the mass vanishes can be studied analytically.
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