Dynamic comparison implies strict comparison for transformation group C*-algebras

Let (X,h)(X,h) be a minimal dynamical system, and assume that (X,h)(X,h) has the dynamic comparison property. Write C(Z,X,h)C^{*}({\mathbb Z},X,h) for the transformation group CC^{*}-algebra associated to the action generated by hh. Dynamic comparison conjecture. Then C(Z,X,h)C^{*}({\mathbb Z},X,h) has strict comparison of positive elements. This is proposed as a topological analogue of strict comparison for positive elements in CC^{*}-algebras; the source presents it as a suggested principle rather than an established result.

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Primary source

Julian Buck, “Smallness and Comparison Properties for Minimal Dynamical Systems”, arXiv:1306.6681 (2013).

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