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Coxeter's frieze patterns and discretization of the Virasoro orbit (1312.3021v2)
Published 11 Dec 2013 in math.SG and math.AG
Abstract: We show that the space of classical Coxeter's frieze patterns can be viewed as a discrete version of a coadjoint orbit of the Virasoro algebra. The canonical (cluster) (pre)symplectic form on the space of frieze patterns is a discretization of the Kirillov symplectic form. We relate a continuous version of frieze patterns to conformal metrics of constant curvature in dimension 2.
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