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An action of the Klein four-group on the irrational rotation C*-algebra
Published online by Cambridge University Press: 17 April 2009
Abstract
Explicit automorphisms of the irrational rotation algebra are constructed which are associated with the two 2 × 2 diagonal integer matrices of determinant −1. The fixed point algebra of the product of these two automorphisms is shown to be isomorphic to the fixed point algebra of the flip.
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- Copyright © Australian Mathematical Society 1997