Qiu Chengtong University Student Mathematics Competition Women's Group. Chusai is also called Qiu Chengtong University Student Mathematics Competition. It is divided into men's group and women's group, so the women's autumn competition refers to the women's group of Qiu Chengtong University students' mathematics competition. Qiu Chengtong was born in Shantou, Guangdong. He is a Chinese-American mathematician and professor. 1966 was admitted to the Department of Mathematics of the Chinese University of Hong Kong, and 1969 was recommended to study at the University of California, Berkeley.