New nef divisors on M_0,n

2013/08/27 by Maksym Fedorchuk, Fedorchuk, Maksym · 1 citation
Mathematics · #Algebraic Geometry (math.AG) #FOS: Mathematics #math.AG

paper · pdf · doi:10.48550/arxiv.1308.5993

arxiv created 2013/08/27 · arxiv updated 2013/08/29

Abstract

We give a direct proof, valid in arbitrary characteristic, of nefness for two families of F-nef divisors on M_0,n. The divisors we consider include all type A level one conformal block divisors as well as divisors previously not known to be nef.

Cited by

• Semiampleness criteria for divisors on M_0,n

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• sl₂ conformal block divisors and the nef cone of M_0,n
• Nonvanishing of conformal blocks divisors on M_0,n
• Conformal blocks divisors on M_0,n from sl₂
• sl_n level 1 conformal blocks divisors on M_0,n
• Remarks on level one conformal blocks divisors