2 papers
math.GR2026
Kleisli convolution representations of power monoids
Haicun Wen, Jian He, Yu-Zhe Liu
We show that power semigroups of groups, and more generally reduced finitary power monoids, arise naturally as convolution monoids in Kleisli categories of powerset monads: (1) for…
math.RT2025
On the Gorensteiness of string algebras
Houjun Zhang, Dajun Liu, Yu-Zhe Liu
In this paper, we give a description of the self-injective dimension of string algebras and obtain a necessary and sufficient condition for a string algebra to be Gorenstein.