A remark on graded countable Cohen--Macaulay representation type

Naoya Hiramatsu

We show that there are only a finite number of isomorphism classes of graded
maximal Cohen--Macaulay modules with fixed Hilbert series over Cohen--Macaulay
algebras of graded countable representation type.

Proceedings of the 52nd Symposium on Ring Theory and Representation Theory

http://arxiv.org/abs/arXiv:2002.11294
http://arxiv.org/abs/2002.11294v1
http://arxiv.org/pdf/2002.11294v1