As marriage is a private matter, the official hopes people in all social sectors will respect Yang's choice, said Xinhua.
Yang's fiancee, Weng Fan, is working for a master degree at Guangdong University of Foreign Studies and Foreign Trade. They are expected to get married in January at the end of Yang's current semester courses at Tsinghua University.
Yang's former wife died of illness in October 2003. Two months later, Yang retired from his post in the US and settled down at Tsinghua University.
Born in Hefei in east China's Anhui Province in1922, Chen Ning Yang was awarded a scholarship for study abroad after graduation from China.
In 1945 he entered the University of Chicago, where hereceived his doctorate in physics in 1948. In 1957 Yang shared the Nobel Prize in Physics with his friend and colleague Tsung Dao Lee for their joint work in upsetting the principle of conservation of parity as a fundamental law of nuclear physics.
