next | previous | forward | backward | up | top | index | toc | Macaulay2 website
SectionRing :: globallyGenerated

globallyGenerated -- globallyGenerated(D) produces a smallest integer a such that O_X(aD) is globally generated.



Takes a divisor as input. It then uses a binary search to check for the smallest integer a with the property that |aD| is a basepoint-free linear series. In this case, the corresponding line bundle is globally generated.

Ways to use globallyGenerated :

For the programmer

The object globallyGenerated is a method function.