# divisor

A divisor $D$ on a projective nonsingular curve over an algebraically closed field is a formal sum of points $D=\sum n_{p}p$ where only finitely many of the $n_{p}\in\mathbb{Z}$ are nonzero.

The degree of a divisor $D$ is ${\rm deg}(D)=\sum n_{p}$.

Title divisor Divisor 2013-03-22 12:03:16 2013-03-22 12:03:16 nerdy2 (62) nerdy2 (62) 7 nerdy2 (62) Definition msc 14C20 Weil divisor degree