Veronese quotient models of Mˉ0,n\bar{M}_{0,n} and conformal blocks

preprint2012arXivOpen access

Abstract

The moduli space Mˉ0,n\bar{M}_{0,n} of Deligne-Mumford stable n-pointed rational curves admits morphisms to spaces recently constructed by Giansiracusa, Jensen, and Moon that we call Veronese quotients. We study divisors on Mˉ0,n\bar{M}_{0,n} associated to these maps and show that these divisors arise as first Chern classes of vector bundles of conformal blocks.

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