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Geometric realization of algebraic conformal field theories (1611.01176v2)

Published 3 Nov 2016 in math-ph, math.FA, math.MP, math.OA, and math.QA

Abstract: We explore new connections between the fields and local observables in two dimensional chiral conformal field theory. We show that in a broad class of examples, the von Neumann algebras of local observables (a conformal net) can be obtained from the fields (a unitary vertex operator algebra) via a continuous geometric interpolation procedure involving Graeme Segal's functorial definition of conformal field theory. In particular, we construct conformal nets from these unitary vertex operator algebras by showing that 'geometrically mollified' versions of the fields yield bounded, local operators on the Hilbert space completion of the vertex algebra. This work is inspired by Henriques' picture of conformal nets arising from degenerate Riemann surfaces.

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