-- -*- M2-comint -*- {* hash: 1924269944 *} i1 : kk=ZZ/32003 o1 = kk o1 : QuotientRing i2 : S=kk[a..d] o2 = S o2 : PolynomialRing i3 : F=res (ideal vars S)^2 1 10 20 15 4 o3 = S <-- S <-- S <-- S <-- S <-- 0 0 1 2 3 4 5 o3 : ChainComplex i4 : isSyzygy(coker F.dd_3,3) -- the cokernel defined by the 3rd map is not a 3rd syzygy o4 = false i5 : isSyzygy(coker F.dd_4,3) -- the cokernel defined by the 4th map is a 3rd syzygy o5 = true i6 :