Self cup products and the theta characteristic torsor
Number Theory
2017-04-03 v1 Algebraic Geometry
Abstract
We give a general formula relating self cup products in cohomology to connecting maps in nonabelian cohomology, and apply it to obtain a formula for the self cup product associated to the Weil pairing.
Keywords
Cite
@article{arxiv.1104.2105,
title = {Self cup products and the theta characteristic torsor},
author = {Bjorn Poonen and Eric Rains},
journal= {arXiv preprint arXiv:1104.2105},
year = {2017}
}
Comments
13 pages