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The purity locus of matrix Kloosterman sums

Number Theory 2022-11-22 v2 Algebraic Geometry

Abstract

We establish the exact structure of the cohomology associated to a certain matrix exponential sum investigated in prior work (arXiv:2109.00762) of the first and last author.

Keywords

Cite

@article{arxiv.2210.07133,
  title  = {The purity locus of matrix Kloosterman sums},
  author = {Márton Erdélyi and Will Sawin and Árpád Tóth},
  journal= {arXiv preprint arXiv:2210.07133},
  year   = {2022}
}

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19 pages