Refined characteristic class and conductor formula
Algebraic Geometry
2014-08-28 v1
Abstract
In this article, we prove a conductor formula in a geometric situation that generalizes the Grothendieck-Ogg-Shafarevich formula. Our approach uses the ramification theory of Abbes and Saito, and relies on Tsushima's refined characteristic class.
Keywords
Cite
@article{arxiv.1408.6254,
title = {Refined characteristic class and conductor formula},
author = {Haoyu Hu},
journal= {arXiv preprint arXiv:1408.6254},
year = {2014}
}
Comments
33 pages. arXiv admin note: text overlap with arXiv:1007.3873 by other authors