Sparse Equidistribution: the Horocycle Flow at Products of Two Primes

par Giovanni Forni (Univ. of Maryland & CY Cergy Paris Univ.)

lundi 9 déc. 2024, 14:00 → 15:15 Europe/Paris

Amphithéâtre Léon Motchane (IHES)

We review some results and questions concerning sparse equidistribution results for horocycle flows in constant curvature, and present a recent result joint with Kanigowski and Radziwill that horocycle flows equidistribute for all points with infinite discrete orbit along times equal to products of two primes.