i1 : R = ZZ/101[a,b] o1 = R o1 : PolynomialRing |
i2 : I = monomialIdeal (ideal vars R)^3
3 2 2 3
o2 = monomialIdeal (a , a b, a*b , b )
o2 : MonomialIdeal of R
|
i3 : T = taylorResolution(I)
1 4 6 4 1
o3 = R <-- R <-- R <-- R <-- R
0 1 2 3 4
o3 : ChainComplex
|
i4 : T.dd
1 4
o4 = 0 : R <--------------------- R : 1
| a3 a2b ab2 b3 |
4 6
1 : R <-------------------------------- R : 2
{3} | -b -b2 0 -b3 0 0 |
{3} | a 0 -b 0 -b2 0 |
{3} | 0 a2 a 0 0 -b |
{3} | 0 0 0 a3 a2 a |
6 4
2 : R <----------------------- R : 3
{4} | b b2 0 0 |
{5} | -1 0 b 0 |
{4} | a 0 0 b |
{6} | 0 -1 -1 0 |
{5} | 0 a 0 -1 |
{4} | 0 0 a2 a |
4 1
3 : R <-------------- R : 4
{5} | -b |
{6} | 1 |
{6} | -1 |
{5} | a |
o4 : ChainComplexMap
|
The object taylorResolution is a method function with options.