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SRdeformations :: simplexRing(Complex)

simplexRing(Complex) -- The underlying polynomial ring of a complex.

Synopsis

Description

The underlying polynomial ring of C.

i1 : R=QQ[x_0..x_4];
i2 : C=simplex R;
i3 : simplexRing C

o3 = R

o3 : PolynomialRing
i4 : R.grading

o4 = | -1 -1 -1 -1 |
     | 1  0  0  0  |
     | 0  1  0  0  |
     | 0  0  1  0  |
     | 0  0  0  1  |

              5        4
o4 : Matrix ZZ  <--- ZZ