Wednesday, January 29 2020
11:30 - 12:30

#### Non-trivial bounds on sums of the form$$\sigma_{N\leq n\leq 2N}a(n)e(\alpha n \beta ),$$where $a(n)$ is an arithmetically defined sequence, have “nice” consequences. In this talk, we will explain how to obtain non-trivial boundson the above sums when the sequence $a(n)$ is given by the Fouriercoefficients of $GL(3)$- Maass forms.

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