New nef divisors on bar{M}_(0,n)
classification
🧮 math.AG
keywords
divisorsarbitraryblockcharacteristicconformalconsiderdirectf-nef
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We give a direct proof, valid in arbitrary characteristic, of nefness for two families of F-nef divisors on $\bar{M}_{0,n}$. The divisors we consider include all type A level one conformal block divisors as well as divisors previously not known to be nef.
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