3 papers
math.RT2026
Cohen Macaulay modules and positroid varieties
Liam Riordan
Jensen, King, and Su described a category which categorifies the cluster structure on the homogeneous coordinate ring of a Grassmannian. In this paper we des…
math.RT2026
Quiver representations and idempotent loops
Liam Riordan
We study -actions on quiver representations by adding idempotent loops. We construct a category mod and relate it to $…
math.RT2026
Grassmannian cluster subcategories and positroid varieties
Bernt Tore Jensen, Liam Riordan, Xiuping Su
A class of subcategories GP of the Grassmannian cluster category CM was constructed by Jensen--King--Su from certain superorders of , which they showed…