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math.DS2007
Connections between dynamical systems and crossed products of Banach algebras by
Christian Svensson, Sergei Silvestrov, Marcel de Jeu
Starting with a complex commutative semi-simple regular Banach algebra and an automorphism of , we form the crossed product of with the integers, where the latter ac…
math.DS2006
Dynamical Systems and Commutants in Crossed Products
Christian Svensson, Sergei Silvestrov, Marcel de Jeu
In this paper we describe the commutant of an arbitrary subalgebra of the algebra of functions on a set in a crossed product of with the integers, where the latter act…