Braid commutators and delta finite-type invariants
几何拓扑
2007-05-23 v1 量子代数
摘要
Delta finite-type invariants are defined analogously to finite-type invariants, using delta moves instead of crossing changes. We show that they are closely related to the lower central series of the commutator subgroup of the pure braid group.
引用
@article{arxiv.math/9907071,
title = {Braid commutators and delta finite-type invariants},
author = {Theodore B. Stanford},
journal= {arXiv preprint arXiv:math/9907071},
year = {2007}
}
备注
6 pages, 2 figures, based on talk given in Delphi, August 1998