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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Partial sums of excursions along random geodesics.

## Partial sums of excursions along random geodesics.Add to your list(s) Download to your calendar using vCal - Gadre, V (University of Warwick)
- Tuesday 17 June 2014, 11:30-12:30
- Seminar Room 2, Newton Institute Gatehouse.
If you have a question about this talk, please contact Mustapha Amrani. Interactions between Dynamics of Group Actions and Number Theory In the theory of continued fractions, Diamond and Vaaler showed the following strong law: for almost every expansion, the partial sum of first n coefficients minus the largest coefficient divided by n log n tends to a limit. We will explain how this generalizes to non-uniform lattices in SL(2, R) with cusp excursions in the quotient hyperbolic surface generalizing continued fraction coefficients. The general theorem relies on the exponential mixing of geodesic flow, in particular on the fast decay of correlations due to Ratner. Analogously, similar theorems are true for the moduli space of Riemann surfaces. This talk is part of the Isaac Newton Institute Seminar Series series. ## This talk is included in these lists:- All CMS events
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