Main works: the smallest prime number in arithmetic progression, expressing even numbers as the sum of the products of one prime number and no more than two prime numbers, interesting talk about mathematics, combinatorial mathematics, Goldbach conjecture, elementary number theory.
Extended information award-winning record
1 and 2018-12-18 are pioneers of reform;
2.20 18 years 100 outstanding contributions to reform and opening up;
3. Since the nomination of New China in 2009, it has moved China 100 people;
4. 1982 won the first prize of National Natural Science Award;
5. He Liji Gold Award1982;
6, 1992 won the China Mathematics Award.
Baidu Encyclopedia-Chen Jingrun