Speaker: Wen-Ching Winnie Li,                 The Pennsylvania State University, USA Titles: 1, The arithmetic of noncongruence modular forms,             2, Modularity of low degree Scholl representations. Venue: B1032, Zhixin Building Time: 10:00 – 11:00, 15:00 – 16:00, Thu, 2 June Prof. Li's research focuses on number theory. She studies the theory of automorphic forms and applications of number theory to coding theory and spectral graph theory. In particular, she has applied her research results in automorphic forms and number theory to construct efficient communication networks called Ramanujan graphs and Ramanujan complexes. In recent years, Prof. Li has revitalized the research on a field of mathematics known as arithmetic of modular forms for noncongruence subgroups. In addition to her position as professor of mathematics at Penn State, since 2009, Prof. Li has been the director of the Taiwan's National Center of Theoretical Sciences. Prof. Li has been awarded the 2010 Chern Prize in Mathematics by the International Congress of Chinese Mathematicians for her outstanding contributions to the field. In 1974, Prof. Li received a Ph.D. degree from the University of California at Berkeley. She earned a B.S. degree at National Taiwan University in 1970.                                       All are welcome to attend!           For more detailed information, see http://www.prime.sdu.edu.cn