Focal values of plane cubic centers
Algebraic Geometry
2010-11-10 v1 Dynamical Systems
Abstract
We prove that the vanishing of 11 focal values is not sufficient to ensure that a plane cubic system has a center.
Cite
@article{arxiv.0902.3415,
title = {Focal values of plane cubic centers},
author = {Hans-Christian Graf v. Bothmer and Jakob Kröker},
journal= {arXiv preprint arXiv:0902.3415},
year = {2010}
}
Comments
5 pages. Programs used can be found at http://www.stud.uni-hannover.de/~kroeker/centerfocus/index.html or at http://sourceforge.net/projects/centerfocus/