Ramification and nearby cycles for l-adic sheaves on relative curves
Algebraic Geometry
2013-07-08 v1
Abstract
Deligne and Kato proved a formula computing the dimension of the nearby cycles complex of an l-adic sheaf on a relative curve over an excellent strictly henselian trait. In this article, we reprove this formula using Abbes-Saito's ramification theory.
Keywords
Cite
@article{arxiv.1307.1638,
title = {Ramification and nearby cycles for l-adic sheaves on relative curves},
author = {Haoyu Hu},
journal= {arXiv preprint arXiv:1307.1638},
year = {2013}
}
Comments
36 pages