报告题目：On fillings of contact links of isolated quotient singularities

报告人：周正一（中国科学院数学与系统科学研究院）

时间：2022年10月28日 9:00-10:00

地点：腾讯会议号：485 976 659，无需密码

报告摘要：

I will discuss fillings of contact links of isolated quotient singularities and show that when the singularity is terminal, the contact link often does not admit an exact filling, which provides tons of examples of contact manifolds that are strongly fillable, but not exactly fillable. In particular, I will explain the odd dimensional real projective space with the standard contact structure is not exactly fillable if and only if the dimension is larger than 3.