We associate a rigid C∗-tensor category C to a totally disconnected locally compact group G and a compact open subgroup K < G. We characterize when C has the Haagerup property or property (T), and when C is weakly amenable.When G is compactly generated, we prove that C is essentially equivalent to the planar algebra associated by Jones and Burstein to a group acting on a locally finite bipartite graph. We then concretely realize C as the category of bimodules generated by a hyperfinite subfactor.
CITATION STYLE
Arano, Y., & Vaes, S. (2016). C∗-tensor categories and subfactors for totally disconnected groups. In Abel Symposia (Vol. 12, pp. 1–43). Springer International Publishing. https://doi.org/10.1007/978-3-319-39286-8_1
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