Lizhen Ji (

Chinese Chinese can refer to: * Something related to China * Chinese people, people of Chinese nationality, citizenship, and/or ethnicity **''Zhonghua minzu'', the supra-ethnic concept of the Chinese nation ** List of ethnic groups in China, people of va ...

: 季理真; born 1964), is a Chinese-American

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change. History On ...

. He is a

professor Professor (commonly abbreviated as Prof.) is an Academy, academic rank at university, universities and other post-secondary education and research institutions in most countries. Literally, ''professor'' derives from Latin as a "person who pr ...

mathematics Mathematics is an area of knowledge that includes the topics of numbers, formulas and related structures, shapes and the spaces in which they are contained, and quantities and their changes. These topics are represented in modern mathematics ...

at the

University of Michigan , mottoeng = "Arts, Knowledge, Truth" , former_names = Catholepistemiad, or University of Michigania (1817–1821) , budget = $10.3 billion (2021) , endowment = $17 billion (2021)As o ...

Ann Arbor Anne, alternatively spelled Ann, is a form of the Latin female given name Anna (name), Anna. This in turn is a representation of the Hebrew Hannah (given name), Hannah, which means 'favour' or 'grace'. Related names include Annie (given name), ...

Biography

April 1964, Ji was born in

Wenzhou Wenzhou (pronounced ; Wenzhounese: Yuziou �y33–11 tɕiɤu33–32 ), historically known as Wenchow is a prefecture-level city in southeastern Zhejiang province in the People's Republic of China. Wenzhou is located at the extreme south east o ...

Zhejiang Province Zhejiang ( or , ; , also romanized as Chekiang) is an eastern, coastal province of the People's Republic of China. Its capital and largest city is Hangzhou, and other notable cities include Ningbo and Wenzhou. Zhejiang is bordered by Jiangs ...

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

. Ji graduated BS from

Hangzhou University Hangzhou University (), colloquially called Hangda () and formerly romanised as Hangchow University, was a public university in Hangzhou, Zhejiang, China. The university was founded as Zhejiang Teachers College () in 1952 by merging the department ...

(previous and current

Zhejiang University Zhejiang University, abbreviated as ZJU or Zheda and formerly romanized as Chekiang University, is a national public research university based in Hangzhou, Zhejiang, China. It is a member of the prestigious C9 League and is selected into the na ...

) in

Hangzhou Hangzhou ( or , ; , , Standard Mandarin pronunciation: ), also romanized as Hangchow, is the capital and most populous city of Zhejiang, China. It is located in the northwestern part of the province, sitting at the head of Hangzhou Bay, whi ...

in 1984. From 1984 to 1985, Ji was a

master Master or masters may refer to: Ranks or titles * Ascended master, a term used in the Theosophical religious tradition to refer to spiritually enlightened beings who in past incarnations were ordinary humans *Grandmaster (chess), National 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 MS from the Department of Mathematics of the

University of California, San Diego The University of California, San Diego (UC San Diego or colloquially, UCSD) is a public university, public Land-grant university, land-grant research university in San Diego, California. Established in 1960 near the pre-existing Scripps Insti ...

. In 1991, Ji obtained

PhD PHD or PhD may refer to: * Doctor of Philosophy (PhD), an academic qualification Entertainment * '' PhD: Phantasy Degree'', a Korean comic series * ''Piled Higher and Deeper'', a web comic * Ph.D. (band), a 1980s British group ** Ph.D. (Ph.D. albu ...

from the

Northeastern University Northeastern University (NU) is a private university, private research university with its main campus in Boston. Established in 1898, the university offers undergraduate and graduate programs on its main campus as well as satellite campuses in ...

(doctoral advisors: R. Mark Goresky and

Shing-Tung Yau Shing-Tung Yau (; ; born April 4, 1949) is a Chinese-American mathematician and the William Caspar Graustein Professor of Mathematics at Harvard University. In April 2022, Yau announced retirement from Harvard to become Chair Professor of mathem ...

). From 1991 to 1994, Ji was C.L.E. Moore instructor at the Department of Mathematics of

MIT The Massachusetts Institute of Technology (MIT) is a private land-grant research university in Cambridge, Massachusetts. Established in 1861, MIT has played a key role in the development of modern technology and science, and is one of the mo ...

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

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

School of Mathematics in

Princeton, New Jersey Princeton is a municipality with a borough form of government in Mercer County, in the U.S. state of New Jersey. It was established on January 1, 2013, through the consolidation of the Borough of Princeton and Princeton Township, both of whi ...

. From 1995 to 1999, Ji was an

assistant professor Assistant Professor is an academic rank just below the rank of an associate professor used in universities or colleges, mainly in the United States and Canada. Overview This position is generally taken after earning a doctoral degree and general ...

at the Department of Mathematics, University of Michigan (UM). From 1999 to 2005, Ji was an

associate professor Associate professor is an academic title with two principal meanings: in the North American system and that of the ''Commonwealth system''. Overview In the ''North American system'', used in the United States and many other countries, it is a ...

at the same department. In 2005, Ji was promoted to full

at UM.

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 Academic publishing is the subfield of publishing which distributes academic research and scholarship. Most academic work is published in academic journal articles, books or thesis, theses. The part of academic written output that is not forma ...

, Ji has also published or co-written many influential

book A book is a medium for recording information in the form of writing or images, typically composed of many pages (made of papyrus, parchment, vellum, or paper) bound together and protected by a cover. The technical term for this physical arr ...

s 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 (Chinese: 刘克峰; 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� ...

, 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 Northeastern University alumni Educators from Wenzhou Sloan Research Fellows University of California, San Diego alumni University of Michigan faculty Zhejiang University alumni Mathematicians from Zhejiang Scientists from Wenzhou