On Sums of SL(3,Z) Kloosterman Sums

Details On Sums of SL(3,Z) Kloosterman Sums On Sums of SL(3,Z) Kloosterman Sums

2011-09-21

arxiv.org/abs/1109.4661v1

Mathematics

Number Theory

52 pages, 2 figures

Scientific paper

We show that sums of the SL(3,Z) long element Kloosterman sum against a smooth weight function have cancellation due to the variation in argument of the Kloosterman sums, when each modulus is at least the square root of the other. Our main tool is Li's generalization of the Kuznetsov formula on SL(3,R), which has to date been prohibitively difficult to apply. We first obtain analytic expressions for the weight functions on the Kloosterman sum side by converting them to Mellin-Barnes integral form. This allows us to relax the conditions on the test function and to produce a partial inversion formula suitable for studying sums of the long-element SL(3,Z) Kloosterman sums.

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