Kumjian-Pask algebras of higher-rank graphs
  We introduce higher-rank analogues of the Leavitt path algebras, which we call the Kumjian-Pask algebras. We prove graded and Cuntz-Krieger uniqueness theorems for these algebras, and analyze their ideal structure. 
Gonzalo Aranda Pino, John Clark, Astrid an Huef and Iain Raeburn
math.RA math.OA