Abstract

In a recent paper, Pardo and the first named author introduced a class of C*algebras which which are constructed from an action of a group on a graph. This class was shown to include many C*-algebras of interest, including all Kirchberg algebras. In this paper, we study the conditions under which these algebras can be realized as partial crossed products of commutative C*-algebras by groups. In addition, for any n ≥ 2 we present a large class of groups such that for any group H in this class, the Cuntz algebra On is isomorphic to a partial crossed product of a commutative C*-algebra by H.

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