Angles in hyperbolic lattices: The pair correlation density

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It is well known that the angles in a lattice acting on hyperbolic n -space become equidistributed. In this paper we determine a formula for the pair correlation density for angles in such hyperbolic lattices. Using this formula we determine, among other things, the asymptotic behavior of the density function in both the small and large variable limits. This extends earlier results by Boca, Pasol, Popa and Zaharescu and Kelmer and Kontorovich in dimension 2 to general dimension n . Our proofs use the decay of matrix coefficients together with a number of careful estimates, and lead to effective results with explicit rates.
Original languageEnglish
JournalTransactions of the American Mathematical Society
Volume369
Issue number4
Pages (from-to)2807-2841
Number of pages44
ISSN0002-9947
DOIs
Publication statusPublished - 2017

ID: 126343978