Geometry and Topology Seminar——On Hempel pairs and Turaev Viro invariants
                    
                  
                  
                  
                    报告人:Yi Liu (Peking University)
 
                    时间:2023-09-20   15:10-17:00
  
                    地点:Room  1114, Sciences Building No. 1
                   
                  
                    Abstract: In this talk, I will give some introduction regarding studies of Turaev Viro invariants. Then I will explain a recent result of mine concerning their profinite invariance or noninvariance among the class of periodic surface bundles.