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Xia Zhihong
Zhihong "Jeff" Xia (; born 20 September 1962 in Dongtai, Jiangsu, China) is a Chinese-American mathematician. Education and career Xia received in 1982 from Nanjing University a bachelor's degree in astronomy and in 1988 a PhD in mathematics from Northwestern University with thesis advisor Donald G. Saari and thesis ''The Existence of the Non-Collision Singularities''. From 1988 to 1990 Xia was an assistant professor at Harvard University and from 1990 to 1994 an associate professor at Georgia Institute of Technology (and Institute Fellow). In 1994 he became a full professor at Northwestern University and since 2000 he has been there the ''Arthur and Gladys Pancoe Professor of Mathematics''. His research deals with celestial mechanics, dynamical systems, Hamiltonian dynamics, and ergodic theory. In his dissertation he solved the Painlevé conjecture, a long-standing problem posed in 1895 by Paul Painlevé. The problem concerns the existence of singularities of non-collision chara ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Xia (surname)
Xia is the Mandarin pinyin romanization of the Chinese surname written in Chinese character. It is romanized Hsia in Wade–Giles, and Ha in Cantonese. Xia is the 154th surname in the Song dynasty classic text ''Hundred Family Surnames''. As of 2008, it is the 66th most common Chinese surname, shared by 3.7 million people. Notable people * Xia Zhengshu ( 夏征舒; died 598 BC), Minister of the State of Chen who killed Duke Ling of Chen and usurped the throne * Consort Xia ( 夏姬; died 240 BC), mother of King Zhuangxiang of Qin and grandmother of Qin Shi Huang * Empress Dowager Xia (6th century), mother of Emperor Jing of Liang * Xia Luqi (882–930), Later Tang general * Xia Song ( 夏竦; 985–1051), Song dynasty general, Duke of Ying * Empress Xia (Song dynasty) (died 1167), wife of Emperor Xiaozong of Song * Xia Gui (fl. 1195–1224), Song dynasty painter * Xia Yuanji (1366–1430), Ming dynasty government minister * Xia Chang (1388–1470). Ming dynasty painter and off ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |