A cusp singularity with no Galois cover by a complete intersection
代数几何
2007-05-23 v3
摘要
With an explicit example, we confirm a conjecture by Neumann and Wahl that there exist cusps with no Galois cover by a complete intersection. Some computational techniques are reviewed, and a method for deciding whether a given cusp has a complete intersection Galois cover is developed.
引用
@article{arxiv.math/0109112,
title = {A cusp singularity with no Galois cover by a complete intersection},
author = {David E. Anderson},
journal= {arXiv preprint arXiv:math/0109112},
year = {2007}
}
备注
10 pages, LaTeX2e, no figures. Edited for submission to Proc. Amer. Math. Soc