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Stephen Lichtenbaum (1939 in
Brooklyn Brooklyn () is a borough of New York City, coextensive with Kings County, in the U.S. state of New York (state), New York. Kings County is the most populous Administrative divisions of New York (state)#County, county in the State of New York, ...
) is an American mathematician who is working in the fields of algebraic geometry, algebraic number theory and
algebraic K-theory Algebraic ''K''-theory is a subject area in mathematics with connections to geometry, topology, ring theory, and number theory. Geometric, algebraic, and arithmetic objects are assigned objects called ''K''-groups. These are groups in the sense ...
. Lichtenbaum was an undergraduate at
Harvard University Harvard University is a private Ivy League research university in Cambridge, Massachusetts. Founded in 1636 as Harvard College and named for its first benefactor, the Puritan clergyman John Harvard, it is the oldest institution of high ...
(bachelor's degree "summa cum laude" in 1960), where he also obtained his Ph.D. in 1964 (Curves over discrete valuation rings, American Journal of Mathematics Bd.90, 1968, S.380-405). After that, he was a lecturer at the
Princeton University Princeton University is a private research university in Princeton, New Jersey. Founded in 1746 in Elizabeth as the College of New Jersey, Princeton is the fourth-oldest institution of higher education in the United States and one of the n ...
, in 1960 he was assistant professor at
Cornell University Cornell University is a private statutory land-grant research university based in Ithaca, New York. It is a member of the Ivy League. Founded in 1865 by Ezra Cornell and Andrew Dickson White, Cornell was founded with the intention to ...
, where he became associate professor in 1969 and professor in 1973. From 1979 to 1982 he was a member of the Faculty Board. Since 1990 he is professor at Brown University, where he was Chairman from 1994 to 1997. He was also a visiting scientist at
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 ...
(1973, 1984),
University of Paris The University of Paris (french: link=no, Université de Paris), Metonymy, metonymically known as the Sorbonne (), was the leading university in Paris, France, active from 1150 to 1970, with the exception between 1793 and 1806 under the French Revo ...
(VI, XI, VII, XIII), IHES (1974, 1977, 1982 / 83, 1987/88, 1997), MSRI (1987),
Isaac Newton Institute The Isaac Newton Institute for Mathematical Sciences is an international research institute for mathematics and its many applications at the University of Cambridge. It is named after one of the university's most illustrious figures, the mathema ...
(1998, 2002). Since 2003, he has been an associate professor at the University of Paris Chevalaret. The Quillen-Lichtenbaum conjecture (from about 1971) about the relationship of the values of the
Dedekind zeta function In mathematics, the Dedekind zeta function of an algebraic number field ''K'', generally denoted ζ''K''(''s''), is a generalization of the Riemann zeta function (which is obtained in the case where ''K'' is the field of rational numbers Q). It ...
of
number field In mathematics, an algebraic number field (or simply number field) is an extension field K of the field of rational numbers such that the field extension K / \mathbb has finite degree (and hence is an algebraic field extension). Thus K is a ...
s at specific locations (negative integers) is named after him and
Daniel Quillen Daniel Gray "Dan" Quillen (June 22, 1940 – April 30, 2011) was an American mathematician. He is known for being the "prime architect" of higher algebraic ''K''-theory, for which he was awarded the Cole Prize in 1975 and the Fields Medal in 19 ...
. In 1959 he was a
Putnam Fellow The William Lowell Putnam Mathematical Competition, often abbreviated to Putnam Competition, is an annual mathematics competition for undergraduate college students enrolled at institutions of higher learning in the United States and Canada (regar ...
. In 1973/74 he was a Guggenheim Fellow. Since 1995 he has been co-editor of Documenta Mathematica. In 2012 he became a fellow of the
American Mathematical Society The American Mathematical Society (AMS) is an association of professional mathematicians dedicated to the interests of mathematical research and scholarship, and serves the national and international community through its publications, meetings ...
.List of Fellows of the American Mathematical Society
retrieved 2013-01-27.


References


External links




page at Brown University with CV
{{DEFAULTSORT:Lichtenbaum, Stephen 20th-century American mathematicians 21st-century American mathematicians 1939 births Living people Brown University faculty Harvard University alumni Cornell University faculty Fellows of the American Mathematical Society Putnam Fellows