Peking University Institute of Mathematical Sciences. Peking University Institute of Mathematical Sciences is located in Summer Palace Road. According to Ying Junyao's social platform, Ying Junyao graduated from Peking University College of Mathematical Sciences, and she taught live video on the Bund. Ying Junyao is a teacher who walks between economics and mathematics, and teaches courses such as Economics in Life and Introduction to New Institutional Economics in colleges and universities.