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arxiv: 1709.00519 · v1 · pith:OZHLTZ36new · submitted 2017-09-02 · 🧮 math.AG · math.QA· math.RT

Finite generation of the algebra of type A conformal blocks via birational geometry

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keywords spacebirationalmodulialgebrablocksbundlesconformalfinite
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We study birational geometry of the moduli space of parabolic bundles over a projective line, in the framework of Mori's program. We show that the moduli space is a Mori dream space. As a consequence, we obtain the finite generation of the algebra of type A conformal blocks. Furthermore, we compute the H-representation of the effective cone which was previously obtained by Belkale. For each big divisor, the associated birational model is described in terms of moduli space of parabolic bundles.

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