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arXiv math/0601014math.AG
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自然G星座族

Natural G-Constellation Families

Timothy Logvinenko

摘要:

设G是GL_n(C)的有限子群. G-星座是G在C^n中的轨道的概型理论推广。我们研究了由商空间C^n/G的任意分解参数化的平坦G-星座族。我们发展了这类族的几何自然性准则,并证明了对于阿贝尔群G,这类自然族的等价类的个数是有限的。主要的预期应用是派生的麦凯对应。

英文摘要:

Let G be a finite subgroup of GL_n(C). G-constellations are a scheme-theoretic generalization of orbits of G in C^n. We study flat families of G-constellations parametrised by an arbitrary resolution of the quotient space C^n/G. We develop a geometrical naturality criterion for such families, and show that, for an abelian G, the number of the equivalence classes of these natural families is finite. The main intended application is the derived McKay correspondence.

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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