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arXiv 1201.4723math.OAmath.QA
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关于易量子群的分类

On the classification of easy quantum groups

Moritz Weber

摘要:

2009年,Banica和Speicher开始研究包含对称群S_n的自由正交量子群的紧量子子群。他们专注于那些缠绕空间是由一些分区诱导的。这些所谓的简单量子群与组合学有着深刻的联系。我们继续他们的工作,对这些对象进行分类,引入一些新的例子,容易量子群。特别地,我们证明了六个易群O_n,S_n,H_n,B_n,S_n'和B_n'在自由易量子群一侧分裂为七种情况。此外,我们给出了一个完整的分类在半解放的情况下。

英文摘要:

In 2009, Banica and Speicher began to study the compact quantum subgroups of the free orthogonal quantum group containing the symmetric group S_n. They focused on those whose intertwiner spaces are induced by some partitions. These so-called easy quantum groups have a deep connection to combinatorics. We continue their work on classifying these objects introducing some new examples of easy quantum groups. In particular, we show that the six easy groups O_n, S_n, H_n, B_n, S_n' and B_n' split into seven cases on the side of free easy quantum groups. Also, we give a complete classification in the half-liberated case.

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