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Pointwise improvement of the error term in the higher rank hyperbolic lattice counting problem

Dimitrios Chatzakos, Panagiotis Dimakis, Christos Katsivelos

math.NTarXiv:2610.16668

Abstract

We prove an upper bound for the error term in the higher rank hyperbolic lattice counting problem for SL(n, Z). Blomer and Lutsko achieved recently a significant improvement of previous known results by Duke--Rudnick--Sarnak and Gorodnik--Nevo--Yehoshua. We deduce an improved upper bound for the error which holds for almost all pairs z,w ∈ SL(n, R). We also derive a Ω-result for the error term, in the spirit of Rudnick--Phillips.

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