研究可换群的完整子半群的性质，并进一步讨论其扩张问题，得出了若干结论。...

In this paper,we consider some generalizations of tilting torsion classes and cotilting torsion-free classes,give the de......

In 1916, F.S. Macaulay developed specific localization techniques for dealing with “unmixed polynomial ideals” in comm......