通过配置空间的BGG解析
BGG resolutions via configuration spaces
摘要:
我们研究组态空间的爆破。这些空间有一个我们称之为Orlik-Solomon流形的结构;它允许我们使用一些对数形式的Aomoto型复体来计算具有对数奇点的某些平坦连接的相交上同调。利用这种构造,我们将sl_2 Bernstein-Gelfand- Gelfand分解几何地实现为一个Aomoto复形.
英文摘要:
We study the blow-ups of configuration spaces. These spaces have a structure of what we call an Orlik-Solomon manifold; it allows us to compute the intersection cohomology of certain flat connections with logarithmic singularities using some Aomoto type complexes of logarithmic forms. Using this construction we realize geometrically the sl_2 Bernstein - Gelfand - Gelfand resolution as an Aomoto complex.
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