Braiding via geometric Lie algebra actions

Braiding via geometric Lie algebra actions
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通过几何李代数动作进行编织

DOI:
10.1112/s0010437x1100724x
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发表时间:
2010
影响因子:
1.8
通讯作者:
J. Kamnitzer
J. Kamnitzer
中科院分区:
数学1区
文献类型:
--
作者:
Sabin Cautis;J. Kamnitzer

文献摘要

被引文献

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摘要 我们介绍了相干滑轮的派生类别上的几何范畴李代数作用的思想。主要结果是这样的作用引起了与李代数相关的辫群的作用。同样的证明表明,Khovanov-Lauda 和 Rouquier 意义上的强绝对行为也会导致辫子群体行为。作为一个例子,我们在余切束上的相干滑轮派生类别上构建了 Artin 辫子群到部分旗形变体的动作。
Abstract We introduce the idea of a geometric categorical Lie algebra action on derived categories of coherent sheaves. The main result is that such an action induces an action of the braid group associated to the Lie algebra. The same proof shows that strong categorical actions in the sense of Khovanov–Lauda and Rouquier also lead to braid group actions. As an example, we construct an action of Artin’s braid group on derived categories of coherent sheaves on cotangent bundles to partial flag varieties.