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Stephen Schanuel

From Wikipedia, the free encyclopedia
Stephen Schanuel
Born(1933-07-14)14 July 1933
Died21 July 2014(2014-07-21) (aged 81)
NationalityAmerican
Alma materColumbia University
Known forSchanuel's conjecture
Schanuel's lemma
Scientific career
FieldsMathematics
InstitutionsUniversity at Buffalo
Doctoral advisorSerge Lang
Doctoral studentsW. Dale Brownawell

Stephen H. Schanuel (14 July 1933 – 21 July 2014) was an American mathematician working in the fields of abstract algebra and category theory, number theory, and measure theory.[1][2]

Life

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While he was a graduate student at University of Chicago, he discovered Schanuel's lemma, an essential lemma in homological algebra.[2] Schanuel received his Ph.D. in mathematics from Columbia University in 1963, under the supervision of Serge Lang.[2]

Work

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Shortly thereafter he stated a conjecture in the field of transcendental number theory, which remains an important open problem to this day.[2] Schanuel was a professor emeritus of mathematics at University at Buffalo.[1]

Books

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  • Lawvere, F. William; Schanuel, Stephen Hoel (2009) [1997]. Conceptual Mathematics: A First Introduction to Categories (2nd ed.). Cambridge University Press. ISBN 978-0-521-89485-2.

References

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  1. ^ a b "Recent alumni deaths". Princeton Alumni Weekly. April 22, 2015. Retrieved 23 June 2015.
  2. ^ a b c d "Steve Schanuel has passed away". University at Buffalo, Mathematics Department. Retrieved 23 June 2015.
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