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Department of Applied Mathematics and Theoretical Physics

Let p be a prime. Bounding short Dirichlet character sums is a classical problem in analytic number theory, and the celebrated work of Burgess provides nontrivial bounds for sums as short as p^1/4+ε^ for all ε>0. In this talk, we will first survey known bounds in the original and generalized settings. Then we discuss the so-called ``Burgess method'' and present new results that rely on bounds on the multiplicative energy of certain sets in products of finite fields.

Further information

Time:

03Dec
Dec 3rd 2025
13:30 to 14:30

Venue:

MR4, CMS

Speaker:

Rena Chu (University of Göttingen)

Series:

Discrete Analysis Seminar