Locally tame plane polynomial automorphisms
Algebraic Geometry
2010-11-04 v1 Commutative Algebra
Abstract
For automorphisms of a polynomial ring in two variables over a domain R, we show that local tameness implies global tameness provided that every 2-generated invertible R-module is free. We give many examples illustrating this property.
Cite
@article{arxiv.1011.0976,
title = {Locally tame plane polynomial automorphisms},
author = {Joost Berson and Adrien Dubouloz and Jean-Philippe Furter and Stefan Maubach},
journal= {arXiv preprint arXiv:1011.0976},
year = {2010}
}