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MultiprojectiveVarieties :: ring(MultiprojectiveVariety)

ring(MultiprojectiveVariety) -- the coordinate ring of the variety

Synopsis

Description

i1 : X = projectiveVariety ideal random({2,1},ZZ/101[x_0,x_1,x_2,y_0,y_1,Degrees=>{3:{1,0},2:{0,1}}]);

o1 : ProjectiveVariety, surface in PP^2 x PP^1
i2 : ring X

                                                  ZZ
                                                 ---[x ..x , y ..y ]
                                                 101  0   2   0   1
o2 = -----------------------------------------------------------------------------------------------------------
      2                  2                            2        2                 2                           2
     x y  + 24x x y  + 8x y  + 5x x y  - 34x x y  + 3x y  + 49x y  + 3x x y  + 3x y  + 5x x y  - 43x x y  - x y
      0 0      0 1 0     1 0     0 2 0      1 2 0     2 0      0 1     0 1 1     1 1     0 2 1      1 2 1    2 1

o2 : QuotientRing

See also