Zhang, a mathematician in China. 1978 was admitted to the Department of Mathematics of Peking University, and 1982 graduated. 1982- 1985, studied under the famous mathematician, Professor Pan Chengbiao of Peking University, with a master's degree; 1992 graduated from Purdue University, USA with a doctorate; Currently, he teaches at the University of New Hampshire. Zhang contributed to Mathematical Yearbook on April 7, 20 13, and proved that there are infinite papers with the difference of prime numbers less than 70 million. On May 2 1 of the same year, the paper was accepted by the Mathematics Annual.

What kind of person is Zhang? This kind of problem, as a person who doesn't have much intersection with him, is like a blind man touching an elephant, and there may be only a vague impression. Perhaps only three or two friends around can restore a "sweeping monk" hidden in the field of mathematics for many years.

Zhang's public speech, like its theme, is to build a bridge between the general public and mathematical research. Therefore, it is not surprising that many mothers bring their young children to listen. Teacher Zhang talked about the gap between prime numbers, talking and laughing, saying that the gap between all participants today is spectacular. From three or four-year-old girls to seventy or eighty-year-old people, although many people don't have much mathematical knowledge, this casual conversation environment can be regarded as the main purpose of popularization.

Just say what time it is.

1 Whether it's a documentary or an article in The New Yorker or Wired magazine, I think Zhang is a very quiet person. During the lecture, people were kind, loud and full of emotions, and were deeply moved by their love for mathematics research.

Zhang said that there was a recognized convention in the field of double prime number research at that time, that is, it was generally felt that this thing could not be done. But Zhang didn't know that this agreement had already existed, so he did it anyway, and then ... he succeeded. Worship the great god sweeping monk. I didn't encounter much obstacles in the middle, but I tried several different ideas one after another. The ultimate inspiration comes from years of accumulation, and skillfully uses the contents of mathematical branches other than analytic number theory. He advised young people to dare to touch big problems and not to be afraid before doing them.

Today, he doesn't talk about the hardships of his early years, but many news media describe that he worked for seven years after receiving his doctorate. Perhaps, understandably, a dignified person does not need to talk about suffering to reflect his achievements at this time. Indifferent ambition, quiet and far-reaching, not pretentious.