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The center of a Kumjian-Pask algebra (1209.2627v1)
Published 12 Sep 2012 in math.RA
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.
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