AF-subalgebras of a C*-algebra generated by a mapping |
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Authors: | S. A. Grigoryan A. Yu. Kuznetsova |
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Affiliation: | 1.Kazan State Energy University,Kazan,Russia;2.Kazan State University,Kazan,Russia |
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Abstract: | In this paper we consider a C*-subalgebra of the algebra of all bounded operators B(l2(X)) on the Hilbert space l2(X)) with one generating element T φ induced by a mapping φ of a set X into itself. We prove that such a C* -algebra has an AF-subalgebra and establish commutativity conditions for the latter. We prove that a C* -algebra generated by a mapping produces a dynamic system such that the corresponding group of automorphisms is invariant on elements of the AF- subalgebra. |
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