On rigid germs of finite morphisms of smooth surfaces
Algebraic Geometry
2021-02-03 v2
Abstract
We prove that a germ of a finite morphism of smooth surfaces is rigid if the germ of its branch curve has one of -singularity types and establish a correspondence between the set of rigid germs and the set of Belyi rational functions .
Keywords
Cite
@article{arxiv.1911.10848,
title = {On rigid germs of finite morphisms of smooth surfaces},
author = {Vik. S. Kulikov},
journal= {arXiv preprint arXiv:1911.10848},
year = {2021}
}
Comments
29 pages; formulation of Theorem 1 is changed