Rank-level duality of Conformal Blocks for odd orthogonal Lie algebras in genus 0

2012/11/09 by Swarnava Mukhopadhyay, Mukhopadhyay, Swarnava
Mathematics · #Algebraic Geometry (math.AG) #FOS: Mathematics #Quantum Algebra (math.QA) #Representation Theory (math.RT) #math.AG #math.QA #math.RT

paper · pdf · doi:10.48550/arxiv.1211.2204

Minor modifications. To appear in Tran. Amer. Math. Soc

arxiv created 2015/11/30 · arxiv updated 2015/12/01

Abstract

Classical invariants for representations of one Lie group can often be related to invariants of some other Lie group. Physics suggests that the right objects to consider for these questions are certain refinements of classical invariants known as conformal blocks. Conformal blocks appear in algebraic geometry as spaces of global sections of line bundles on the moduli stack of parabolic bundles on a smooth curve. Rank-level duality connects a conformal block associated to one Lie algebra to a conformal block for a different Lie algebra. In this paper we prove a rank-level duality for type so(2r+1) on the pointed projective line conjectured by T. Nakanishi and A. Tsuchiya.

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