中文

扭曲Alexander不变量的归一化

几何拓扑 2015-07-07 v5

摘要

纽结的扭曲Alexander不变量在乘以单位的意义上是良定义的。我们通过组合方法消除了这种乘法歧义,并定义了归一化的扭曲Alexander不变量。随后我们证明,在归一化设定下该不变量与符号确定的Reidemeister挠率一致,并改进了对偶性定理。我们进一步获得了纽结为纤维化纽结时该不变量的必要条件,并研究了该不变量最高次数的行为。

关键词

引用

@article{arxiv.0705.2371,
  title  = {Normalization of twisted Alexander invariants},
  author = {Takahiro Kitayama},
  journal= {arXiv preprint arXiv:0705.2371},
  year   = {2015}
}

评论

15 pages, 1 figure; corrected the error about displaying a figure; 18 pages, 1 figure, modified the normalization of invariants and added a certain theorem; 19 pages, 1 figure, improved Theorem 6.6; to appear in International Journal of Mathematics

R2 v1 2026-06-29T00:34:05.435Z