Formal groups arising from formal punctured ribbons
Algebraic Geometry
2011-01-26 v4 Mathematical Physics
math.MP
Abstract
We investigate Picard functor of a formal punctured ribbon. We prove that under some conditions this functor is representable by a formal group scheme. Formal punctured ribbons were introduced in arXiv:0708.0985.
Cite
@article{arxiv.0901.1607,
title = {Formal groups arising from formal punctured ribbons},
author = {Herbert Kurke and Denis Osipov and Alexander Zheglov},
journal= {arXiv preprint arXiv:0901.1607},
year = {2011}
}
Comments
42 pages, minor changes