关于有色缠结的计数
On the Counting of Colored Tangles
摘要:
矩阵积分和链之间的连接被用于定义矩阵模型,该矩阵模型对交替缠结进行计数,其中每个闭合回路用因子n加权,即可以被认为是用n种可能的颜色装饰的。对于n=2,相应的矩阵积分是最近在随机格子六顶点模型的研究中解决的。本文给出了交替双色缠结的生成函数的椭圆函数形式,并将其展开到16阶(16个交叉点),给出了其渐近性质。
英文摘要:
The connection between matrix integrals and links is used to define matrix models which count alternating tangles in which each closed loop is weighted with a factor n, i.e. may be regarded as decorated with n possible colors. For n=2, the corresponding matrix integral is that recently solved in the study of the random lattice six-vertex model. The generating function of alternating 2-color tangles is provided in terms of elliptic functions, expanded to 16-th order (16 crossings) and its asymptotic behavior is given.
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