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ConformalBlocks :: SymmetricDivisorM0nbar + SymmetricDivisorM0nbar

SymmetricDivisorM0nbar + SymmetricDivisorM0nbar -- add two $S_n$ symmetric divisors

Synopsis

Description

Let Pic(M0,n)QSn denote the vector space of Sn-invariant divisors with rational coefficients. Here, given two Sn symmetric Q-divisors D and E on M0,n, the function returns D+E.

i1 : D=symmetricDivisorM0nbar(6,{1/2,1/3})

                                 1
o1 = SymmetricDivisorM0nbar{2 => -             }
                                 2
                                 1
                            3 => -
                                 3
                            NumberOfPoints => 6

o1 : SymmetricDivisorM0nbar
i2 : E=symmetricDivisorM0nbar(6,2*B_2+3*B_3)

o2 = SymmetricDivisorM0nbar{2 => 2             }
                            3 => 3
                            NumberOfPoints => 6

o2 : SymmetricDivisorM0nbar
i3 : D+E

                                 5
o3 = SymmetricDivisorM0nbar{2 => -             }
                                 2
                                 10
                            3 => --
                                  3
                            NumberOfPoints => 6

o3 : SymmetricDivisorM0nbar