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Alan Baker (mathematician)

From Wikipedia, the free encyclopedia

Alan Baker

Born(1939-08-19)19 August 1939
London, England
Died4 February 2018(2018-02-04) (aged 78)
Cambridge, England
Alma materUniversity College London
University of Cambridge
Known forNumber theory
Diophantine equations
Baker's theorem
AwardsFields Medal (1970)
Adams Prize (1972)
Scientific career
InstitutionsUniversity of Cambridge
ThesisSome Aspects of Diophantine Approximation (1964)
Doctoral advisorHarold Davenport
Doctoral studentsJohn Coates
Yuval Flicker
Roger Heath-Brown
David Masser
Cameron Stewart

Alan Baker FRS (19 August 1939 – 4 February 2018[1]) was an English mathematician, known for his work on effective methods in number theory, in particular those arising from transcendental number theory.


Alan Baker was born in London on 19 August 1939. He attended Stratford Grammar School, East London, and his academic career started as a student of Harold Davenport, at University College London and later at Trinity College, Cambridge, where he received his PhD.[2] He was a visiting scholar at the Institute for Advanced Study in 1970 when he was awarded the Fields Medal at the age of 31.[3] In 1974 he was appointed Professor of Pure Mathematics at Cambridge University, a position he held until 2006 when he became an Emeritus. He was a fellow of Trinity College from 1964 until his death.[2]

His interests were in number theory, transcendence, logarithmic forms, effective methods, Diophantine geometry and Diophantine analysis.

In 2012 he became a fellow of the American Mathematical Society.[4] He has also been made a foreign fellow of the National Academy of Sciences, India.[5]


Baker generalized the Gelfond–Schneider theorem, itself a solution to Hilbert's seventh problem.[6] Specifically, Baker showed that if are algebraic numbers (besides 0 or 1), and if are irrational algebraic numbers such that the set are linearly independent over the rational numbers, then the number is transcendental.

Selected publications

  • Baker, Alan (1966), "Linear forms in the logarithms of algebraic numbers. I", Mathematika, 13 (2): 204–216, doi:10.1112/S0025579300003971, ISSN 0025-5793, MR 0220680
  • Baker, Alan (1967a), "Linear forms in the logarithms of algebraic numbers. II", Mathematika, 14: 102–107, doi:10.1112/S0025579300008068, ISSN 0025-5793, MR 0220680
  • Baker, Alan (1967b), "Linear forms in the logarithms of algebraic numbers. III", Mathematika, 14 (2): 220–228, doi:10.1112/S0025579300003843, ISSN 0025-5793, MR 0220680
  • Baker, Alan (1990), Transcendental number theory, Cambridge Mathematical Library (2nd ed.), Cambridge University Press, ISBN 978-0-521-39791-9, MR 0422171; 1st edition. 1975.[7]
  • Baker, Alan; Wüstholz, G. (2007), Logarithmic forms and Diophantine geometry, New Mathematical Monographs, 9, Cambridge University Press, ISBN 978-0-521-88268-2, MR 2382891

Honours and awards


External links

This page was last edited on 25 June 2021, at 09:17
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