English

Exponential sums and rigid cohomology

Algebraic Geometry 2021-10-19 v1

Abstract

In this article, we prove a comparison theorem between the Dwork cohomology introduced by Adolphson and Sperber and the rigid cohomology. As a corollary, we can calculate the rigid cohomology of Dwork isocrystal on torus.

Keywords

Cite

@article{arxiv.2110.08694,
  title  = {Exponential sums and rigid cohomology},
  author = {Peigen Li},
  journal= {arXiv preprint arXiv:2110.08694},
  year   = {2021}
}

Comments

12 pages