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Distribution results for lattices in SL(2,? p )
Authors:François Ledrappier  Mark Pollicott
Institution:(1) Department of Mathematics, University of Notre Dame, 255 Hurley Hall, Notre Dame, Indiana 46556-4618, USA;(2) Department of Mathematics, Warwick University, Coventry, CV4 7AL, ENGLAND
Abstract:In this paper we study the ergodic properties of the linear action of lattices Γ of SL(2,ℚp) on ℚp × ℚp and distribution results for orbits of Γ. Following Serre, one can define a “geodesic flow” for an associated tree (actually associated to GL(2,ℚp)). The approach we use is based on an extension of this approach to “frame flows” which are a natural compact group extension of the geodesic flow.
Keywords:Equidistribution  SL(2    p)  symbolic dynamics
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