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arXiv 1001.2841math.AGmath.AC
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乘子理想限制定理的推广

Generalizations of the restriction theorem for multiplier ideals

Eugene Eisenstein

摘要:

我们提出了一个代数几何的角度对一些推广,由于S。Takagi,关于乘子理想的限制定理。第一个版本的限制定理乘数理想发现了埃斯诺特和Viehweg。在S.高木已经发现了限制定理的推广和一些乘数理想的公式,从限制定理。他使用的技术是紧密闭合和还原成积极的特征。我们能够提供一个代数几何证明推广他的限制定理和他的次可加性定理。我们还证明了奇点分解的相对典范除子的一个附加公式。

英文摘要:

We present an algebro-geometric perspective on some generalizations, due to S. Takagi, of the restriction theorem for multiplier ideals. The first version of the restriction theorem for multiplier ideals was discovered by Esnault and Viehweg. In a series of papers S. Takagi has discovered generalizations of the restriction theorem and some formulas for multiplier ideals that follow from the restriction theorem. He uses the technique of tight closure and reduction to positive characteristic. We are able to provide an algebro-geometric proof of generalizations of his restriction theorem and his subadditivity theorem. We also prove an adjunction formula for relative canonical divisors of factorizing resolutions of singularities.

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