Solid torus links and Hecke algebras of B-type

Solid torus links and Hecke algebras of B-type
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实体环面链和 B 型赫克代数

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发表时间:
2011
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通讯作者:
S. Lambropoulou
S. Lambropoulou
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作者:
S. Lambropoulou

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我们展示了如何根据V.F.R. Jones的原始方法,即通过将一个ocneanu型线性迹函数从b型Hecke代数归一化为复数,构造一个面向HOMFLY-PT型的环面内环的连杆不变量。在定义不变量之前,我们建立了相应的拓扑理论,然后我们找到了与实体环面相关的辫群,并观察到它们可以用b型Hecke代数表示。最后,我们将我们的不变量与J. Hoste和M. Kidwell发现的某些二色连杆的串不变量进行比较。
We show how to construct a HOMFLY-PT type oriented link invariant for links inside a solid torus, following V.F.R. Jones’s original approach, i.e via normalizing an Ocneanu-type linear trace function from the Hecke algebras of B-type to the complex numbers. Before defining the invariant we set up the appropriate topological theory, then we find the braid groups related to the solid torus and observe that these can be represented by the Hecke algebras of B-type. Finally we compare our invariant with a skein invariant for certain dichromatic links found by J. Hoste and M. Kidwell.