Seminars and Talks 14:00 - 16:00, September 2, 2016 (Friday) Room 208-I, Chien-Shiung Building, NCU Optimal Policies for n-Dimensional Singular Stochastic Control Problems – The Skorokhod Problem 16:00 - 17:00, September 2, 2016 (Friday) Room 722, Institute of Mathematics, Academia Sinica On the Topology of the Coefficients of the Alexander-Conway Polynomial of Knots