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arxiv: 0901.3641 · v1 · submitted 2009-01-23 · 🧮 math.NT · math.AG

Genus formula for modular curves of D-elliptic sheaves

classification 🧮 math.NT math.AG
keywords curvesellipticformulamodularsheavesgenusattainbound
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We prove a genus formula for modular curves of $D$-elliptic sheaves. We use this formula to show that the reductions of modular curves of $D$-elliptic sheaves attain the Drinfeld-Vladut bound as the degree of the discriminant of $D$ tends to infinity.

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