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edited Aug 13 2011 at 11:06

a-fortiori
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asked Aug 12 2011 at 16:01

IMeasy
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Picard group of $\mathcal{M}_{0,n}$

Let $\mathcal{M}_{0,n}$ be the complement of the boundary of the Mumford-Knudsen compactification of the moduli space of genus zero, n-pointed curves.

Is $Pic(\mathcal{M}_{0,n})$ trivial?

ag.algebraic-geometry algebraic algebraic-curves moduli-spaces picard-group