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Explicit presentations of nonspecial line bundles and secant spaces
algebraic curve nonspecial line bundle nonspecial divisor minimal presentation q-very ample order of very ampleness
2012/5/9
A line bundle L on a smooth curve X is nonspecial if and only if L admits a presentation L=K_X -D +E for some effective divisors D and E>0 on X with gcd (D, E)=0 and h^0 (X, O_X (D))=1. In this work, ...