China should focus on developing original technologies and scientific knowledge and leverage the expertise of scientists returning from the United States, according to a top Chinese-American mathematician.

He said many ethnic Chinese students had been driven away from the US by discrimination from the government, including accusations of misusing American research funds for China’s benefit.

“Chinese scientists have no choice but to leave the US because they work best under a supportive research environment,” he said.

“This exodus is unfortunate for the US as it could diminish its research capabilities. For China, the return of these scientists means it is gaining top talent, but it also results in weakened ties with the US and a loss of first-hand knowledge of advanced technologies.”