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arxiv: 0704.2214 · v1 · submitted 2007-04-17 · 🧮 math.AG

The Picard group of M_(1,1)

classification 🧮 math.AG
keywords grouppicardbasecanonicalcompactificationcomputecurveselliptic
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We compute the Picard group of the moduli stack of elliptic curves and its canonical compactification over general base schemes.

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