English

Pulling back singularities of codimension one objects

Complex Variables 2019-11-05 v1 Algebraic Geometry Differential Geometry

Abstract

We prove that the preimage of a germ of a singular analytic hypersurface under a germ of a finite holomorphic map g:(Cn,0)(Cn,0)g: (\mathbb{C}^n,0) \rightarrow (\mathbb{C}^n,0) is again singular. This provides a generalization of previous results of this nature by Ebenfelt-Rothschild [Comm. Anal. Geom. 15 (2007), no. 2, 491-507], Lebl [arXiv:0812.2498], and Denkowski [Manuscripta Math. 149 (2016), no. 1-2, 83-91]. The same statement is proved for pullbacks of singular codimension one holomorphic foliations.

Keywords

Cite

@article{arxiv.1911.00628,
  title  = {Pulling back singularities of codimension one objects},
  author = {Luis Giraldo and Roland Roeder},
  journal= {arXiv preprint arXiv:1911.00628},
  year   = {2019}
}

Comments

To appear in Proceedings of the AMS. Comments welcome!

R2 v1 2026-06-23T12:02:47.197Z