中文

关于$U_{q}(osp(1|2n))$和$U_{-q}(so(2n+1))$的无色量子链不变量

量子代数 2009-01-22 v1 几何拓扑

摘要

LL是一个链,ΦLA(q)\Phi^{A}_{L}(q)是其与量子(超)代数Uq(A)U_{q}(A)的向量表示相关联的链不变量。设FL(r,s)F_{L}(r,s)LL的与Birman-Wenzl-Murakami代数BWMf(r,s)BWM_{f}(r,s)(对于复参数rrss以及足够大的秩ff)相关联的Kauffman链不变量。对于任意链LL,我们证明对于每个正整数nn和所有足够大的ff,有ΦLosp(12n)(q)=FL(q2n,q)\Phi^{osp(1|2n)}_{L}(q) = F_{L}(-q^{2n},q)ΦLso(2n+1)(q)=FL(q2n,q)\Phi^{so(2n+1)}_{L}(-q) = F_{L}(q^{2n},-q),并且ΦLosp(12n)(q)\Phi^{osp(1|2n)}_{L}(q)ΦLso(2n+1)(q)\Phi^{so(2n+1)}_{L}(-q)在变量替换下是相同的。对于至少一类链,FL(r,s)=FL(r,s)F_{L}(-r,-s) = F_{L}(r,s),这意味着对于这些链有ΦLosp(12n)(q)=ΦLso(2n+1)(q)\Phi^{osp(1|2n)}_{L}(q) = \Phi^{so(2n+1)}_{L}(-q)

关键词

引用

@article{arxiv.0901.3232,
  title  = {On the $U_{q}(osp(1|2n))$ and $U_{-q}(so(2n+1))$ Uncoloured Quantum Link Invariants},
  author = {Sacha C. Blumen},
  journal= {arXiv preprint arXiv:0901.3232},
  year   = {2009}
}

备注

16 pages, 4 figures, accepted for publication by the Journal of Knot Theory and its Ramifications