链型可逆奇异点的塞弗特形式

Pub Date : 2020-02-25 DOI:10.1215/21562261-2022-0038

Umut Varolgunes

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引用次数: 2

摘要

本文证实了Orlik Randell 1977年关于链型可逆奇点的Seifert形式的一个猜想。我们使用塞德尔（受阿诺德和唐纳森的启发）开发的Lefschetz双裂技术，并利用手头的对称性。我们相信，我们的方法将有助于理解Berglundt-Hubsch镜像猜想的同调/范畴版本。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Seifert form of chain-type invertible singularities

In this paper, we confirm a conjecture of Orlik-Randell from 1977 on the Seifert form of chain type invertible singularities. We use Lefschetz bifibration techniques as developed by Seidel (inspired by Arnold and Donaldson) and take advantage of the symmetries at hand. We believe that our method will be useful in understanding the homological/categorical version of Berglundt-Hubsch mirror conjecture for invertible singularities.

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