Lizhen Ji (

Chinese Chinese may refer to: * Something related to China * Chinese people, people identified with China, through nationality, citizenship, and/or ethnicity **Han Chinese, East Asian ethnic group native to China. **'' Zhonghua minzu'', the supra-ethnic ...

: 季理真; born 1964), is a

Chinese American Chinese Americans are Americans of Chinese ancestry. Chinese Americans constitute a subgroup of East Asian Americans which also constitute a subgroup of Asian Americans. Many Chinese Americans have ancestors from mainland China, Hong Kong ...

mathematician. He is a professor of

mathematics Mathematics is a field of study that discovers and organizes methods, Mathematical theory, theories and theorems that are developed and Mathematical proof, proved for the needs of empirical sciences and mathematics itself. There are many ar ...

at the

University of Michigan The University of Michigan (U-M, U of M, or Michigan) is a public university, public research university in Ann Arbor, Michigan, United States. Founded in 1817, it is the oldest institution of higher education in the state. The University of Mi ...

Biography

In 1964, Ji was born in

Wenzhou Wenzhou; Chinese postal romanization, historically known as Wenchow is a prefecture-level city in China's Zhejiang province. Wenzhou is located at the extreme southeast of Zhejiang, bordering Lishui, Zhejiang, Lishui to the west, Taizhou, Zheji ...

Zhejiang Province ) , translit_lang1_type2 = , translit_lang1_info2 = ( Hangzhounese) ( Ningbonese) (Wenzhounese) , image_skyline = 玉甑峰全貌 - panoramio.jpg , image_caption = View of the Yandang Mountains , image_map = Zhejiang i ...

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

. Ji graduated with a B.S. from

Hangzhou University Hangzhou University (HZU; ) was a public university in Hangzhou, Zhejiang, China. The institute was merged into Zhejiang University in 1998. The university was founded as Zhejiang Teachers College () in 1952 by merging the departments of humanit ...

(now

Zhejiang University Zhejiang University (ZJU) is a public university, public research university in Hangzhou, Zhejiang, China. It is affiliated with the Ministry of Education (China), Ministry of Education. The university is part of Project 211, Project 985, and D ...

) in

Hangzhou Hangzhou, , Standard Mandarin pronunciation: ; formerly romanized as Hangchow is a sub-provincial city in East China and the capital of Zhejiang province. With a population of 13 million, the municipality comprises ten districts, two counti ...

in 1984. From 1984 to 1985, Ji was a master student at the Department of Mathematics of Hangzhou University. Ji went to United States to continue his study in 1985, and in 1987 Ji obtained a M.S. from the Department of Mathematics of the

University of California, San Diego The University of California, San Diego (UC San Diego in communications material, formerly and colloquially UCSD) is a public university, public Land-grant university, land-grant research university in San Diego, California, United States. Es ...

. In 1991, Ji obtained a Ph.D. from the

Northeastern University Northeastern University (NU or NEU) is a private university, private research university with its main campus in Boston, Massachusetts, United States. It was founded by the Boston Young Men's Christian Association in 1898 as an all-male instit ...

. His thesis ''Spectral Degeneration of Riemann Surfaces'' was advised by R. Mark Goresky and

Shing-Tung Yau Shing-Tung Yau (; ; born April 4, 1949) is a Chinese-American mathematician. He is the director of the Yau Mathematical Sciences Center at Tsinghua University and professor emeritus at Harvard University. Until 2022, Yau was the William Caspar ...

. From 1991 to 1994, Ji was

C.L.E. Moore instructor The job title of C. L. E. Moore instructor is given by the Math Department at Massachusetts Institute of Technology to recent math Ph.D.s hired for their promise in pure mathematics research. The instructors are expected to do both teaching and res ...

at the Department of Mathematics of

MIT The Massachusetts Institute of Technology (MIT) is a private research university in Cambridge, Massachusetts, United States. Established in 1861, MIT has played a significant role in the development of many areas of modern technology and sc ...

. From 1994 to 1995, Ji was a member of the

Institute for Advanced Study The Institute for Advanced Study (IAS) is an independent center for theoretical research and intellectual inquiry located in Princeton, New Jersey. It has served as the academic home of internationally preeminent scholars, including Albert Ein ...

School of Mathematics in

Princeton, New Jersey The Municipality of Princeton is a Borough (New Jersey), borough in Mercer County, New Jersey, United States. It was established on January 1, 2013, through the consolidation of the Borough of Princeton, New Jersey, Borough of Princeton and Pri ...

. From 1995 to 1999, Ji was an assistant professor in the Department of Mathematics at the University of Michigan. From 1999 to 2005, Ji was an associate professor in the same department. In 2005, Ji was promoted to full professor at Michigan.

Awards

From 1998 to 2001, Ji was an Alfred P. Sloan Research Fellow. Ji received the Silver Morningside Medal of Mathematics in 2007. Ji was a Simons Fellow in 2014.

Publications

Besides academic papers, Ji has also published or co-written many influential books in mathematics, including: * ''Compactifications of Symmetric and Locally Symmetric Spaces''; by

Armand Borel Armand Borel (21 May 1923 – 11 August 2003) was a Swiss mathematician, born in La Chaux-de-Fonds, and was a permanent professor at the Institute for Advanced Study in Princeton, New Jersey, United States from 1957 to 1993. He worked in alg ...

, and Lizhen Ji. * ''Arithmetic Groups and Their Generalizations: What, Why, and How''; by Lizhen Ji. * ''Geometry, Analysis and Topology of Discrete Groups''; co-edited by Lizhen Ji,

Kefeng Liu Kefeng Liu (; born 12 December 1965), is a Chinese-American mathematician who is known for his contributions to geometric analysis, particularly the geometry, topology and analysis of moduli spaces of Riemann surfaces and Calabi–Yau manifolds. H ...

, Yang Lo, and

. * ''Compactifications of Symmetric Spaces (Progress in Mathematics, Vol 156)''; by Y. Guivarc'H, Lizhen Ji, and J. C. Taylor. * ''Geometry Analysis and Topology of Discrete Groups''; by Lizhen Ji, Kefeng Liu, and Yang Lo. * ''Handbook of Geometric Analysis''; by Lizhen Ji. * ''Mathematics and Mathematical People''; Chief-editor Lizhen Ji. * ''Advanced Lectures in Mathematics''; Chief-editor Lizhen Ji.Advanced Lectures in Mathematics (''ALM'')

Editorial Work

* An editor of ''the Asian Journal of Mathematics'' * An editor of ''Science in China, Series A: Mathematics'' * A founding editor and chief editor of ''Pure and Applied Mathematics Quarterly'' * One of the chief-editors of a book series on Popular Mathematics ''Mathematics and Humanities''

References

External links

The homepage of Lizhen Ji

The Mathematics Genealogy Project - Lizhen Ji

Lizhen Ji's homepage at Zhejiang University

{{DEFAULTSORT:Ji, Lizhen 1964 births Living people 20th-century American mathematicians 21st-century American mathematicians Chinese emigrants to the United States Hangzhou University alumni Massachusetts Institute of Technology School of Science faculty Mathematicians from Zhejiang Northeastern University alumni Educators from Wenzhou Scientists from Wenzhou Sloan Research Fellows University of California, San Diego alumni University of Michigan faculty Zhejiang University alumni