中文

平面尖点曲线的微分同胚、同痕与辫子单值因子分解

代数几何 2007-05-23 v2

摘要

我们证明存在平面尖点曲线对 Cm,1C_{m,1}Cm,2C_{m,2} 的无穷序列,使得对 (CP2,Cm,1)(\Bbb CP^2, C_{m,1})(CP2,Cm,2)(\Bbb CP^2, C_{m,2}) 微分同胚,但 Cm,1C_{m,1}Cm,2C_{m,2} 具有非等价的辫子单值因子分解。这些曲线给出了平面不可约尖点曲线“Dif=Def”与“Dif=Iso”问题的否定解。在我们的例子中,Cm,1C_{m,1}Cm,2C_{m,2} 是复共轭的。

关键词

引用

@article{arxiv.math/0104021,
  title  = {Diffeomorphisms, Isotopoies, and Braid Monodromy Factorizations of Plane Cuspidal Curves},
  author = {V. Kharlamov and Vik. S. Kulikov},
  journal= {arXiv preprint arXiv:math/0104021},
  year   = {2007}
}

备注

Principal changement concerns the calculation of the number of double points and cups