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arXiv 1702.03580math.AG
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奇异algebraic varieties的椭圆亏格与对偶

Elliptic genus of singular algebraic varieties and quotients

A. Libgober

摘要:

讨论了两个变元椭圆亏格的各种形式的基本性质,特别是等变椭圆亏格。主要的应用是椭圆形属附在非紧GIT,包括椭圆形属Witten的相位$N=2$理论。

英文摘要:

We discuss the basic properties of various versions of two variable elliptic genus with special attention to the equivariant elliptic genus. The main applications are to the elliptic genera attached to non-compact GITs, including the elliptic genera of Witten's phases on $N=2$ theories.

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