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Escape of mass in positive characteristics

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Interactions between Dynamics of Group Actions and Number Theory

I will describe some peculiar features of the geodesic flow in positive characteristics which occur in sharp contrast to analogue discussions in characteristics zero. In particular, situations where a natural limiting procedure leads to escape of mass and accumulation on singular measures. This is joint work with Frederic Paulin and Alex Kemarsky.

This talk is part of the Isaac Newton Institute Seminar Series series.

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