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A hidden quantum group for pure partition functions of multiple SLEs

Tuesday 21st April 2015 - 11:30 to 12:30
INI Seminar Room 1
Co-author: Eveliina Peltola (University of Helsinki)

A classification result of Schramm identifies the candidates for scaling limit random curves in critical planar models by their conformal invariance and domain Markov property: in simply connected domains with curves connecting two boundary points the curves are chordal SLEs. The classification of corresponding multiple curves is more involved, due to the presence of nontrivial conformal moduli: instead of a unique law of a curve, there is a finite dimensional convex set of laws consistent with the requirements. The growth process construction of multiple SLE curves relies on partition functions, which must solve a system of partial differential equations. We present a method based on the representation theory of a quantum group, with help of which we explicitly construct a basis of solutions to the partial differential equations corresponding to the extremal points of the convex set.

University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons