scale(D)
Let $D$ be an $S_n$ symmetric $Q$-divisor on $\bar{M}_{0,n}$. This function reduces a symmetric divisor $D$ by the gcd of its coefficients in the standard basis. This gives a canonical representative of each nonzero ray in $Pic(\bar{M}_{0,n})_Q^{S_n}$.
|
|
The object scale is a method function.