Seminar| Institute of Mathematical Sciences
Time: Wednesday, November 27th, 2024 , 13:30-14:30
Location: IMS, RS408
Speaker:Yanqing Zou, East China Normal University
Abstract:It is known that the tunnel number of a cable knot is upper bounded by its companion’s. Then a natural question is: when are these two numbers equal? In this talk, we will give a necessary and sufficient condition and a complete answer. This is a joint work with Junhua Wang.