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arXiv · 1703.09837

Kuznetsov, Petersson and Weyl on GL(3), I: The principal series forms

Jack Buttcane
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Abstract

The Kuznetsov and Petersson trace formulae for $GL(2)$ forms may collectively be derived from Poincaré series in the space of Maass forms with weight. Having already developed the spherical spectral Kuznetsov formula for $GL(3)$, the goal of this series of papers is to derive the spectral Kuznetsov formulae for non-spherical Maass forms and use them to produce the corresponding Weyl laws; this appears to be the first proof of the existence of such forms not coming from the symmetric-square construction. Aside from general interest in new types of automorphic forms, this is a necessary step in the development of a theory of exponential sums on $GL(3)$. We take the opportunity to demonstrate a sort of minimal method for developing Kuznetsov-type formulae, and produce auxillary results in the form of generalizations of Stade's formula and Kontorovich-Lebedev inversion. This first paper is limited to the non-spherical prinicpal series forms as there are some significant technical details associated with the generalized principal series forms, which will be handled in a separate paper. The best analog of this type of form on $GL(2)$ is the forms of weight one which sometimes occur on congruence subgroups.

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Jack Buttcane. 2018-05-31. Kuznetsov, Petersson and Weyl on GL(3), I: The principal series forms. https://arxiv.org/abs/1703.09837

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