1. 主讲人：

陈国度（北京大学）

2. 时间和地点：

·       12月14日，14:00-16:00, 实验楼105

·       12月15日，9:00-11:00, 实验楼103

3. 系列报告摘要：

Shokurov's program, also known as the theory of complements, is introduced by Shokurov when he proved the existence of flips for threefolds. In this talk, I will introduce Shokurov's conjecture on the boundedness of ϵ-log canonical complements, and then show some applications. Next, we go to the boundedness of log canonical complements which is established by Birkar and Han-Liu-Shokurov. Finally, I will give a sketch of the proof of the conjecture for surfaces. This is a joint work with Jingjun Han.

4. 专家简介：

陈国度，北京国际数学研究中心博士生；2016年本科毕业于南开大学，之后师从著名代数几何学家许晨阳教授。曾赴美国麻省理工学院访学2年。陈国度的研究领域是双有理代数几何，关于 Complement 的有界性取得了一系列成果，已在arXiv上发表预印本4篇。

联系人：刘文飞