Wen-Ch'ing (Winnie) Li (; born December 25, 1948) is a Taiwanese-American mathematician and a Distinguished Professor of Mathematics at Pennsylvania State University.Winnie Li Named Distinguished Professor, Pennsylvania State University, 30 January 2012, retrieved 2013-02-02. She is a number theorist, with research focusing on 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.
Professional career Li graduated from National Taiwan University with a Bachelor of Science in mathematics in 1970. As an undergraduate, she was a classmate of mathematicians Fan Chung, Sun-Yung Alice Chang and Jang-Mei Wu.Fan Chung Graham, Association for Women in Mathematics, retrieved 2013-02-02. She then earned her Ph.D. in mathematics from the University of California, Berkeley, in 1974, under the supervision of Andrew Ogg.
Before joining faculty of Pennsylvania State University in 1979, she was a Benjamin Pierce assistant professor at Harvard University for 3.5 years from 1974 to 1977, and a tenure-track assistant professor at the University of Illinois at Chicago from 1978 to 1979. She was also the director of the National Center of Theoretical Sciences in Taiwan from 2009 to 2014.Staff biography , National Center of Theoretical Sciences, retrieved 2013-02-02.
Awards and honors In 2010, Li was the winner of the Chern Prize, given every three years to an outstanding Chinese mathematician.Wen Ching Li Awarded the 2010 Chern Prize in Mathematics, Pennsylvania State University, 30 January 2012, retrieved 2013-02-02. In 2012 she became a fellow of the American Mathematical Society.List of Fellows of the American Mathematical Society , retrieved 2013-01-27. She was chosen to give the 2015 Noether Lecture.“Modular Forms for Congruence and Noncongruence Subgroups”
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