摘要
Let F be a Hilbert filtration with respect to a Cohen-Macaulay module M. When G(F, M) and FK(F,M) have almost maximal depths, the Hilbert coefficients gi(F, M) is calculated. In the general case, an upper bound for g2(F, M) is also given.
基金
the National Natural-Science Foundation of China(No.10371085).