By Li Han

Staff Writer of the Tsinghua News Center

World-famous mathematician and professor of Harvard University Shing-tung Yau paid a visit to Tsinghua on March 28. Professor Chen Xi, Chairman of the Tsinghua University Council, met with Professor Yau. Also attended the talk were Tsinghua Vice President Kang Kejun, Professor Wen Zhiying, Dean of the Department of Mathematical Sciences, and Professor Cao Huaidong, Chair Professor of Tsinghua University.