Geodesic
Coordinates for analytic operator algebras
Glasgow mathematical journal, Tome 31 (1989) no. 1, pp. 31-47

Voir la notice de l'article provenant de la source Cambridge University Press

Let M be a σ-finite von Neumann algebra and α = {αt}t∈A be a representation of a compact abelian group A as *-automorphisms of M. Let Γ be the dual group of A and suppose that Γ is totally ordered with a positive semigroup Σ⊆Γ. The analytic algebra associated with α and Σ iswhere spα(a) is Arveson's spectrum. These algebras were studied (also for A not necessarily compact) by several authors starting with Loebl and Muhly [10]. 
Solel, Baruch. Coordinates for analytic operator algebras. Glasgow mathematical journal, Tome 31 (1989) no. 1, pp. 31-47. doi: 10.1017/S0017089500007527
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