Cox ring
= Cox ring
{c}
{wiki}
The Cox ring of a toric variety is the polynomial ring with one variable $x_\rho$ for each ray, graded by the divisor class group through $\deg x_\rho=[D_\rho]$.
= Cox ring
{c}
{wiki}
The Cox ring of a toric variety is the polynomial ring with one variable $x_\rho$ for each ray, graded by the divisor class group through $\deg x_\rho=[D_\rho]$.