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Smooth projective surfaces with discrete and non-finitely generated automorphism group

2019-07-11 20:58

报告人: Keiji Oguiso

报告人单位: University of Tokyo

时间: 2019-07-17 15:30-16:30

地点: 卫津路校区6号楼111教

开始时间: 15:30

报告人简介: 教授

年: 2019

日月: 07.17

According to Professor Igor Dolgachev, it has been a long standing problem if there is a smooth projective variety, especially surfaces, such that the automorphism group is discrete and non-finitely generated and/or it has infinitely many non-isomorphic real forms.

In this talk, after recalling previously known results, I would like to explain current status of this problem with an idea of construction and sensitive aspect of the field of definitions. My talk is based on my joint works with T.C. Dinh, J.H. Keum and by myself.

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