Counting and equidistribution in quaternionic Heisenberg groups
Parkkonen, J., & Paulin, F. (2022). Counting and equidistribution in quaternionic Heisenberg groups. Mathematical Proceedings of the Cambridge Philosophical Society, 173(1), 67-104. https://doi.org/10.1017/S0305004121000426
© 2022 Cambridge University Press (CUP)
We develop the relationship between quaternionic hyperbolic geometry and arithmetic counting or equidistribution applications, that arises from the action of arithmetic groups on quaternionic hyperbolic spaces, especially in dimension 2. We prove a Mertens counting formula for the rational points over a definite quaternion algebra A over Q in the light cone of quaternionic Hermitian forms, as well as a Neville equidistribution theorem of the set of rational points over A in quaternionic Heisenberg groups.
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