Xu Ruiyun

Xu Ruiyun
徐瑞云
Born(1915-06-15)15 June 1915
Shanghai, Republic of China
Died23 January 1969(1969-01-23) (aged 53)
Hangzhou, People's Republic of China
Alma mater
SpouseJiang Ximing
Scientific career
FieldsMathematical analysis, in particular Fourier series
Institutions
Doctoral advisorConstantin Carathéodory
Notable studentsYuan-Shih Chow

Xu Ruiyun (Chinese: 徐瑞云; 15 June 1915 – January 1969), also known as Süe-Yung Zee-Kiang, was a Chinese mathematician specialising in mathematical analysis. A student of Constantin Carathéodory, she was the first Chinese woman to receive a doctorate in mathematics. In 1941 she returned to China and worked at Zhejiang University and later Hangzhou University. In 1969, during the Cultural Revolution, she died by suicide.