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Exponential Sums over Finite Fields


  1. Department of Mathematics, University of California, Irvine, CA 92697-3875, USA.
  • Online:2021-08-25 Published:2021-08-10

WAN Daqing. Exponential Sums over Finite Fields[J]. Journal of Systems Science and Complexity, 2021, 34(4): 1225-1278.

This is an expository paper on algebraic aspects of exponential sums over finite fields. This is a new direction. Various examples, results and open problems are presented along the way, with particular emphasis on Gauss periods, Kloosterman sums and one variable exponential sums. One main tool is the applications of various p-adic methods. For this reason, the author has also included a brief exposition of certain p-adic estimates of exponential sums. The material is based on the lectures given at the 2020 online number theory summer school held at Xiamen University. Notes were taken by Shaoshi Chen and Ruichen Xu.
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