中文

关于具有极大维数纤维的多项式映射的注记

代数几何 2020-08-07 v2

摘要

对于任意两个整数k,nk,n2kn2\leq k\leq n,令f:(C)nCkf:(\mathbb{C}^*)^n\rightarrow\mathbb{C}^k为具有给定牛顿多面体的通用多项式映射。已知在ff下纤维余维数为1的点在Ck\mathbb{C}^k中构成有限集C1(f)C_1(f)。对上述映射ff,我们证明当k3k\geq 3C1(f)C_1(f)为空集,对k=2k=2的情形我们分类了所有使C1(f)C_1(f)\neq \emptyset的牛顿多面体,并计算了C1(f)|C_1(f)|

关键词

引用

@article{arxiv.1910.01333,
  title  = {A note on polynomial maps having fibers of maximal dimension},
  author = {Boulos El Hilany},
  journal= {arXiv preprint arXiv:1910.01333},
  year   = {2020}
}

备注

Final version, Minor corrections, 6 pages, to appear in Colloquium Mathematicum