中科院数学与系统科学研究院

数学研究所

学术报告

代数几何研讨班

 

报告人:刘小雷 副教授(大连理工大学)   

 On the sharp lower bounds of modular invariants

  2022.06.07(星期二)上午9:30-11:00

 点:腾讯会议  548-867-182

  要:In this talk, I will introduce the modular invariants of fibrations firstly. Then I will present our work on the sharp lower bounds of modular invariants. If time permits, I hope to explain the relation between modular invariants with fractional Dehn twist coefficients, which is used in obtaining lower bounds of modular invariants. This is a joint work with Prof. Sheng-Li Tan.

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