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arXiv 1402.1273math.RT
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Bernstein-Gelfand-Gelfand范畴$\mathcal O$分次覆盖的唯一性

Unicity of graded covers of the Category $\mathcal O$ of Bernstein-Gelfand-Gelfand

Michael Rottmaier, Wolfgang Soergel

摘要:

证明了Bernstein-Gelfand-Gelfand范畴$\mathcal O$的标准分次覆盖可以用它与包络代数的中心作用的相容性来刻画.

英文摘要:

We show that the standard graded cover of the well-known category $\mathcal O$ of Bernstein-Gelfand-Gelfand can be characterized by its compatibility with the action of the center of the enveloping algebra.

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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