David Rees (mathematician)

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Lua error in Module:Infobox at line 235: malformed pattern (missing ']'). David Rees ScD Cantab, FIMA, FRS[4] (29 May 1918 – 16 August 2013) was an emeritus professor of pure mathematics at the University of Exeter, having been head of the Mathematics / Mathematical Sciences Department at Exeter for many years. During the Second World War, Rees was active on Enigma research in Hut 6 at Bletchley Park.[5][6]

Education and career

Rees was born in Abergavenny. On completion of his education, he initially worked on semigroup theory, and Rees factor semigroup is named after him. He also gave a characterization of completely simple and completely 0-simple semigroups, nowadays known as Rees's theorem. The matrix-based semigroups used in this characterization are called Rees matrix semigroups.[3][7] At the behest of Douglas Northcott he switched his research focus to commutative algebra.[8] In 1954, in a joint paper with Northcott, Rees introduced the Northcott-Rees theory of reductions and integral closures which has subsequently been influential in commutative algebra.[9]

Before 1971, Rees was appointed head of the Mathematics Department at the University of Exeter.

Awards and honours

In 1993 Rees was awarded the Pólya Prize by the London Mathematical Society. In August 1998 a conference on Commutative Algebra was held at Exeter in honour of David Rees' 80th Year. He was an Honorary Fellow of Downing College, Cambridge[10] He was elected a Fellow of the Royal Society (FRS) in 1968.[4]

Personal life

In 1952, he married Joan S. Cushen,[11] who became a Senior Lecturer in Mathematics at Exeter, with four children:

  1. (Susan) Mary Rees FRS, Professor of Mathematics at the University of Liverpool, b. 1953[12][13][14]
  2. Rebecca Rees, b. 1955[15]
  3. Sarah E. Rees, Professor of Pure Mathematics at Newcastle University, b. 1957[16][17]
  4. Deborah Rees, b. 1960[18]

References

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  1. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ 2.0 2.1 David Rees at the Mathematics Genealogy Project
  3. ↑ 3.0 3.1 3.2 Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ 4.0 4.1 4.2 Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ Biographical memoirs of fellows of the Royal Society: Volume 53
  9. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  11. ↑ GRO Register of Marriages: JUN 1952 4a 395 CAMBRIDGE - David Rees = Joan S. Cushen
  12. ↑ GRO Register of Births: SEP 1953 4a 294 CAMBRIDGE - Susan M. Rees, mmn = Cushen
  13. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  14. ↑ Professor Mary Rees FRS
  15. ↑ GRO Register of Births: DEC 1955 4a 222 CAMBRIDGE - Rebecca Rees, mmn = Cushen
  16. ↑ GRO Register of Births: DEC 1957 4a 338 CAMBRIDGE - Sarah E. Rees, mmn = Cushen
  17. ↑ Prof. Sarah Rees
  18. ↑ GRO Register of Births: JUN 1960 7a 442 EXETER - Deborah Rees, mmn = Cushen
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