The homology of a Temperley-Lieb algebra on an odd number of strands

The homology of a Temperley-Lieb algebra on an odd number of strands
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Temperley-Lieb 代数在奇数条链上的同源性

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发表时间:
2022
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通讯作者:
R. Sroka
R. Sroka
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作者:
R. Sroka

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本文证明了奇数条链上的Temperley-Lieb代数$mathcal{TL}_n(a)$的同调在正度中为零.这改进了由Boean-Hepworth得到的结果。此外,我们提出了替代参数以下两个消失的结果Boean-Hepworth。(1)Temperley-Lieb代数的稳定同调是平凡的。(2)如果R$中的参数$a是一个单位,则任何Temperley-Lieb代数的同调都集中在零度。
We show that the homology of any Temperley-Lieb algebra $mathcal{TL}_n(a)$ on an odd number of strands vanishes in positive degrees. This improves a result obtained by Boyd-Hepworth. In addition we present alternative arguments for the following two vanishing results of Boyd-Hepworth. (1) The stable homology of Temperley-Lieb algebras is trivial. (2) If the parameter $a in R$ is a unit, then the homology of any Temperley-Lieb algebra is concentrated in degree zero.