ring C
This returns the base ring associated to a cell complex C, which is used to interpret labels.
i1 : R = QQ[x,y];
i2 : vx = newSimplexCell({},x);
i3 : vy = newSimplexCell({},y^2);
i4 : e = newSimplexCell {vx,vy};
i5 : C = cellComplex(R,{e});
i6 : ring(C) o6 = R o6 : PolynomialRing