Seminars and Talks 13:40 - 16:40, May 14, 2019 (Tuesday) M212, Department of Mathematics, NTNU Statistical/Machine Learning and Optimization 15:30 - 17:30, May 14, 2019 (Tuesday) R537, Astronomy-Mathematics Building, NTU Slower Diffuser Phenomenon in a Parabolic-elliptic Predator-prey System of 3-species 16:00 - 17:00, May 14, 2019 (Tuesday) R202, Astronomy-Mathematics Building, NTU Action Functional for D-branes