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

Synopsis

Usage:
simplexRing(C)
Function: simplexRing
Inputs:
- C, an embedded complex
Outputs:
- a polynomial ring

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