Trilinear forms with Kloosterman fractions

By S. Bettin, Vorrapan Chandee. 2015

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We give new bounds for $\sum_{{a, m ,n}}\alpha_{m}\beta_n\nu_a {\textrm e}\left(\frac{a\overline m}{n}\right)$ where $\alpha_{m}$, $\beta_n$ and $\nu_a$ are arbitrary coefficients, improving upon a result of Duke, Friedlander and Iwaniec [DFI97]. We also apply these bounds to problems on representations by determinant equations and on the equidistribution of solutions to linear equations.

Subfields: Algebra and Number Theory, Applied Mathematics, Discrete Mathematics and Combinatorics

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