The center of a Kumjian-Pask algebra
arXiv:1209.2627
Abstract
The Kumjian-Pask algebras are path algebras associated to higher-rank graphs, and generalize the Leavitt path algebras. We study the center of simple Kumjian-Pask algebras and characterize commutative Kumjian-Pask algebras.
arXiv comment8 pages