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Moduli space of G-connections on an elliptic curve

2015/04/08 by Indranil Biswas, Biswas, Indranil
Mathematics · #Algebraic Geometry and Number Theory #Advanced Algebra and Geometry #Geometry and complex manifolds

paper · pdf · doi:10.48550/arxiv.1504.01821

Abstract

Let X be a smooth complex elliptic curve and G a connected reductive affine algebraic group defined over \mathbb C. Let \mathcal MX(G) denote the moduli space of topologically trivial algebraic G--connections on X, that is, pairs of the form (EG , D), where EG is a topologically trivial algebraic principal G--bundle on X, and D is an algebraic connection on EG. We prove that \mathcal MX(G) does not admit any nonconstant algebraic function while being biholomorphic to an affine variety.

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