This week we will invite Prof. Zuoqin Wang from USTC to give us four one-hour lectures on Steklov operator, which is the first leg of series lectures. 
The following is the title and abstract of lectures.  But please note the special time and classroom. 


Title: The inverse spectral problem for the Dirichlet-to-Neumann operator (I) 

Lecture 1: Basic properties and examples of the DtN operator
Lecture 2: The DtN operator as a PsDO
Lecture 3: Recovering planar disks from DtN zeta invariants
Lecture 4: Recovering balls from DtN heat invariants


Room 78201,  Wednesday (10/28) 2-3pm and 3:10-4:10pm; Thursday (10/29) 9-10am, 10:10-11:10am  

Contact: renjie@math.pku.edu.cn