We classify equilibrium states on dynamical systems which generalise the Bost-Connes system to the context of arbitrary number fields. The main tool is a characterisation of KMS-states on classical transformation groups (G, X) in the case that the action of G is not free.
This is joint work with M. Laca and S. Neshveyev.
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Last updated 15 April 2008. This page was created and is maintained by Stephen Wills (s.wills@ucc.ie).