Biography
Zhan graduated from the Department of Mathematics of Shandong University with a Ph.D. degree in mathematics under the supervision of Pan Chengdong in 1987. After graduation he became a professor of pure mathematics.
He was deputy dean of the Department of Mathematics and vice president of Shandong University, and was the president of Shandong University from July 2000 until November 2008. He is now a standing member of the Chinese Association of Mathematics, deputy director of the Young Scientist Association of China, a standing member of the All China Youth Federation, vice president of the Shandong Youth Federation, and board chairman of the Shandong Association of Mathematics.
Since joining the faculty of Shandong University in 1987, he has been working on classical problems in number theory such as estimates of exponential sums over primes, mean-value theorems for arithmetic progressions, and Goldbach's conjecture. In particular, he has solved the quadratic almost Goldbach conjecture, and has successfully proved a new form of the Three-Prime theorem in arithmetic progressions to large moduli. His results have been generalized by Trevor Wooley in various directions.
Zhan also participated in a co-research program at the Albert Ludwigs University of Freiburg in Germany from January, 1991 through December, 1992, and he has been invited by dozens of universities in France, Holland and United States for short academic visits.
Read more about this topic: Zhan Tao
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