J. A. Todd
Mathematician, Academic
1908 – 1994
Who was J. A. Todd?
John Arthur Todd FRS was a British geometer. He was born in Liverpool, and went to Trinity College of the University of Cambridge in 1925. He did research under H.F. Baker, and in 1931 took a position at the University of Manchester. He became a lecturer at Cambridge in 1937. He remained at Cambridge for the rest of his working life.
The Todd class in the theory of the higher-dimensional Riemann–Roch theorem is an example of a characteristic class that was discovered by Todd in work published in 1937. It used the methods of the Italian school of algebraic geometry. The Todd–Coxeter process for coset enumeration is a major method of computational algebra, and dates from a collaboration with H.S.M. Coxeter in 1936. In 1953 he and Coxeter discovered the Coxeter–Todd lattice. In 1954 he and G. C. Shephard classified the finite complex reflection groups.
In March 1948 he was elected a Fellow of the Royal Society.
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- Born
- Aug 23, 1908
Liverpool - Nationality
- England
- United Kingdom
- Profession
- Education
- University of Cambridge
- Trinity College, Cambridge
- Lived in
- United Kingdom
- Liverpool
- Died
- Dec 22, 1994
Croydon
Submitted
on July 23, 2013
Citation
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