Basic Hopf algebras and symmetric bimodules

Basic Hopf algebras and symmetric bimodules
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基本 Hopf 代数和对称双模

DOI:
10.1016/j.jpaa.2023.107328
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发表时间:
2023
影响因子:
0.8
通讯作者:
Hristova K
Hristova K
中科院分区:
数学2区
文献类型:
--
作者:
Hristova K

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受所谓的H-胞腔约化定理的启发,我们研究了某些类的双范畴,这些双范畴除了可能的同一性之外只有一个H-胞腔。证明了具有唯一H-胞腔H 0的H 0-单拟fiab双范畴是fusion范畴.我们进一步研究了两类非半单拟fiab双范畴,其中除了恒等式外,还含有一个H-胞腔。第一个是图像1,由有限维根分次基本Hopf代数A索引,第二个是图像2,由对称投射A-A-双模组成。我们发现,图像1可以被看作是一个1-完整的subbicategory的图像2和分类简单的传递双表示图像2。我们指出,后者的等价类的数量是有限的,而图像1通常不是。
Motivated by the so-called H-cell reduction theorems, we investigate certain classes of bicategories which have only one H-cell apart from possibly the identity. We show that H 0-simple quasi fiab bicategories with unique H-cell H 0 are fusion categories. We further study two classes of non-semisimple quasi-fiab bicategories with a single H-cell apart from the identity. The first is Image 1, indexed by a finite-dimensional radically graded basic Hopf algebra A, and the second is Image 2, consisting of symmetric projective A-A-bimodules. We show that Image 1 can be viewed as a 1-full subbicategory of Image 2 and classify simple transitive birepresentations for Image 2. We point out that the number of equivalence classes of the latter is finite, while that for Image 1 is generally not.
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