In which country did mathematician Sue study?

Su (1902.9.23 ~ 2003.3.17), formerly known as Su Shanglong, was a famous mathematician who was born in Pingyang County, Zhejiang Province. 1965438+In June 2009, after graduating with honors from Zhejiang No.10 Middle School (now Wenzhou Middle School), I went to Japan to study. 1927 graduated from the Department of Mathematics of Northeast Imperial University, and then entered the graduate school of this school. 193 1 Graduated with Doctor of Science. In March of the same year, he returned to China as an honorary doctor of science from Northeast Imperial University and was employed by National Zhejiang University. He has served as an associate professor, professor, dean, dean and provost of the Department of Mathematics. During this period, he founded the Institute of Differential Geometry.