2 papers
math.AC2021
Local cohomology tables of sequentially almost Cohen-Macaulay modules
Cheng Meng
Let be a polynomial ring over a field. We introduce the concept of sequentially almost Cohen-Macaulay modules and describe the extremal rays of the cone of local cohomology tab…
math.AC2018
G-graded irreducibility and the index of reducibility
Cheng Meng
Let be a commutative Noetherian ring graded by a torsionfree abelian group . We introduce the notion of -graded irreducibility and prove that -graded irreducibility is…