1. This series also includes generating functions, ten interesting mathematical problems (paperback), functional equations, covers and geometric inequalities.

2. The author 194 1 was born in Feng Keqin, and 1968 graduated from the Department of Mathematics of the University of Science and Technology of China. 1973-taught in the Department of Mathematics and Graduate School of China University of Science and Technology in 2000, and worked in the Department of Mathematics of Tsinghua University after 2000.

3. Mainly engaged in the research of algebraic number theory and algebraic coding theory, and published monographs such as cyclotomic function field, A brief history of algebraic number theory, and textbooks for junior college and graduate students such as Integer and Polynomial, Basis of Commutative Algebra, Algebra Number Theory, Algebra and Communication. Editor-in-chief's series Towards Mathematics won the China Book Award.