__NOTOC__ Robin Cope Hartshorne ( ; born March 15, 1938) is an 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 ...

who is known for his work in

algebraic geometry Algebraic geometry is a branch of mathematics, classically studying zeros of multivariate polynomials. Modern algebraic geometry is based on the use of abstract algebraic techniques, mainly from commutative algebra, for solving geometrical ...

Career

Hartshorne 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 (regard ...

in Fall 1958 while he 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 higher le ...

(under the name Robert C. Hartshorne). He received a Ph.D. in mathematics from

Princeton University Princeton University is a private university, private research university in Princeton, New Jersey. Founded in 1746 in Elizabeth, New Jersey, Elizabeth as the College of New Jersey, Princeton is the List of Colonial Colleges, fourth-oldest ins ...

in 1963 after completing a doctoral dissertation titled ''Connectedness of the Hilbert scheme'' under the supervision of

John Coleman Moore John Coleman Moore (May 27, 1923 – January 1, 2016) was an American mathematician. The Borel−Moore homology and Eilenberg–Moore spectral sequence are named after him. Early life and education Moore was born in 1923 in Staten Island, New ...

and

Oscar Zariski , birth_date = , birth_place = Kobrin, Russian Empire , death_date = , death_place = Brookline, Massachusetts, United States , nationality = American , field = Mathematics , work_institutions = ...

. He then became a

Junior Fellow The Society of Fellows is a group of scholars selected at the beginnings of their careers by Harvard University for their potential to advance academic wisdom, upon whom are bestowed distinctive opportunities to foster their individual and intell ...

at Harvard University, where he taught for several years. In 1972, he was appointed to the faculty at the

University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public land-grant research university in Berkeley, California. Established in 1868 as the University of California, it is the state's first land-grant u ...

, where he is a Professor Emeritus as of 2020. Hartshorne is the author of the text ''

Algebraic Geometry Algebraic geometry is a branch of mathematics, classically studying zeros of multivariate polynomials. Modern algebraic geometry is based on the use of abstract algebraic techniques, mainly from commutative algebra, for solving geometrical ...

''.

Awards

In 1979, Hartshorne was awarded the

Leroy P. Steele Prize The Leroy P. Steele Prizes are awarded every year by the American Mathematical Society, for distinguished research work and writing in the field of mathematics. Since 1993, there has been a formal division into three categories. The prizes have b ...

for "his expository research article Equivalence relations on algebraic cycles and subvarieties of small codimension, Proceedings of Symposia in Pure Mathematics, volume 29, American Mathematical Society, 1975, pp. 129-164; and his book Algebraic geometry, Springer-Verlag, Berlin and New York, 1977." In 2012, Hartshorne 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, ...

Personal life

Hartshorne is married to Edie Churchill and has two sons. He is a mountain climber and amateur flute and ''

shakuhachi A is a Japanese and ancient Chinese longitudinal, end-blown flute that is made of bamboo. The bamboo end-blown flute now known as the was developed in Japan in the 16th century and is called the .

'' player.

Selected publications

*''Foundations of Projective Geometry'', New York: W. A. Benjamin, 1967; *''Ample Subvarieties of Algebraic Varieties'', New York: Springer-Verlag. 1970; *''

'', New York:

Springer-Verlag Springer Science+Business Media, commonly known as Springer, is a German multinational publishing company of books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing. Originally founded in 1842 in ...

, 1977; corrected 6th printing, 1993. GTM 52,
Families of Curves in P³ and Zeuthen's Problem.
Vol. 617. American Mathematical Society, 1997. *''Geometry: Euclid and Beyond'', New York: Springer-Verlag, 2000; corrected 2nd printing, 2002

''Local Cohomology: A Seminar Given by A. Grothendieck, Harvard University. Fall, 1961''.
Vol. 41. Springer, 2006. (lecture notes by R. Hartshorne) *''

Deformation Theory In mathematics, deformation theory is the study of infinitesimal conditions associated with varying a solution ''P'' of a problem to slightly different solutions ''P''ε, where ε is a small number, or a vector of small quantities. The infinitesim ...

'',

, GTM 257, 2010,

References

External links