Principal divisor on a toric variety
= Principal divisor on a toric variety
For a character $\chi^m$ of the dense torus,
$$
\operatorname{div}(\chi^m)=\sum_\rho\langle m,v_\rho\rangle D_\rho.
$$
= Principal divisor on a toric variety
For a character $\chi^m$ of the dense torus,
$$
\operatorname{div}(\chi^m)=\sum_\rho\langle m,v_\rho\rangle D_\rho.
$$