Crossed products of k-graph C*-algebras by Z^l
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An action of Z^l by automorphisms of a k-graph induces an action of Z^l by automorphisms of the corresponding k-graph C*-algebra. We show how to construct a (k+l)-graph whose C*-algebra coincides with the crossed product of the original k-graph algebra by Z^l. We then investigate the structure of the crossed-product C*-algebra.
27 pages. Pictures drawn using pgf
27 pages. Pictures drawn using pgf