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arXiv 1106.2128math.QA
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图解代数与范畴化量子sl(2)导论

An introduction to diagrammatic algebra and categorified quantum sl(2)

Aaron D. Lauda

摘要:

这篇文章解释了平面量子学是如何自然地出现在范畴化的量子群的研究中的,重点是量子sl 2的范畴化。我们导出了范畴化量子sl ~ 2的定义,并着重讨论了范畴化量子群中出现的一些新结构。这位专家将找到一个关于重新调用分类量子sl 2的同构的讨论,一个证明nilHecke代数的分圆子同构于Grassmannian的上同调环上的矩阵环的证明,以及一个使用对称函数对“假气泡”的解释。

英文摘要:

This expository article explains how planar diagrammatics naturally arise in the study of categorified quantum groups with a focus on the categorification of quantum sl2. We derive the definition of categorified quantum sl2 and highlight some of the new structure that arises in categorified quantum groups. The expert will find a discussion of rescalling isomorphisms for categorified quantum sl2, a proof that cyclotomic quotients of the nilHecke algebra are isomorphic to matrix rings over the cohomology ring of Grassmannians, and an interpretation of `fake bubbles' using symmetric functions.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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