The cycline subalgebra of a Kumjian-Pask algebra

Lisa Orloff Clark, Cristóbal Gil Canto, Alireza Nasr-Isfahani

Let $\Lambda$ be a row-finite higher-rank graph with no sources. We identify a maximal commutative subalgebra $\mathcal{M}$ inside the Kumjian-Pask algebra ${\mathrm{KP}}_R(\Lambda )$. We also prove…