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- Ian Grant Macdonald (* 11. Oktober 1928 in London) ist ein englischer Mathematiker. (de)
- Ian Grant Macdonald FRS (born 11 October 1928 in London, England) is a British mathematician known for his contributions to symmetric functions, special functions, Lie algebra theory and other aspects of algebra, algebraic combinatorics, and combinatorics. He was educated at Winchester College and Trinity College, Cambridge, graduating in 1952. He then spent five years as a civil servant. He was offered a position at Manchester University in 1957 by Max Newman, on the basis of work he had done while outside academia. In 1960 he moved to the University of Exeter, and in 1963 became a Fellow of Magdalen College, Oxford. He became Fielden Professor at Manchester in 1972, and professor at Queen Mary College, University of London, in 1976. He worked on symmetric products of algebraic curves, Jordan algebras and the representation theory of groups over local fields. In 1972 he proved the Macdonald identities, after a pattern known to Freeman Dyson. His 1979 book Symmetric Functions and Hall Polynomials has become a classic. Symmetric functions are an old theory, part of the theory of equations, to which both K-theory and representation theory lead. His was the first text to integrate much classical theory, such as Hall polynomials, Schur functions, the Littlewood–Richardson rule, with the abstract algebra approach. It was both an expository work and, in part, a research monograph, and had a major impact in the field. The Macdonald polynomials are now named after him. The Macdonald conjectures from 1982 also proved most influential. Macdonald was elected a Fellow of the Royal Society in 1979. He was an invited speaker in 1970 at the International Congress of Mathematicians (ICM) in Nice and a plenary speaker in 1998 at the ICM in Berlin. In 1991 he received the Pólya Prize of the London Mathematical Society. He was awarded the 2009 Steele Prize for Mathematical Exposition. In 2012 he became a fellow of the American Mathematical Society. (en)
- Ian Grant Macdonald (11 octobre 1928 à Londres) est un mathématicien britannique connu pour ses contributions sur les (en), les fonctions spéciales, la théorie des algèbres de Lie et d'autres aspects de la combinatoire algébrique. (fr)
- Ian Grant Macdonald (Londres, 11 de outubro de 1928) é um matemático britânico. Em 1979 foi eleito membro da Royal Society. Em 1991 recebeu o Prêmio Pólya da London Mathematical Society. Em 2009 recebeu o Prêmio Leroy P. Steele. Macdonald participou do Congresso Internacional de Matemáticos de 1998 em Berlim (Constant term identities, orthogonal polynomials and affine Hecke algebras), e foi em 1970 "Invited Speaker" em Nice (Harmonic analysis on semi-simple groups). (pt)
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- Ian Grant Macdonald (* 11. Oktober 1928 in London) ist ein englischer Mathematiker. (de)
- Ian Grant Macdonald (11 octobre 1928 à Londres) est un mathématicien britannique connu pour ses contributions sur les (en), les fonctions spéciales, la théorie des algèbres de Lie et d'autres aspects de la combinatoire algébrique. (fr)
- Ian Grant Macdonald (Londres, 11 de outubro de 1928) é um matemático britânico. Em 1979 foi eleito membro da Royal Society. Em 1991 recebeu o Prêmio Pólya da London Mathematical Society. Em 2009 recebeu o Prêmio Leroy P. Steele. Macdonald participou do Congresso Internacional de Matemáticos de 1998 em Berlim (Constant term identities, orthogonal polynomials and affine Hecke algebras), e foi em 1970 "Invited Speaker" em Nice (Harmonic analysis on semi-simple groups). (pt)
- Ian Grant Macdonald FRS (born 11 October 1928 in London, England) is a British mathematician known for his contributions to symmetric functions, special functions, Lie algebra theory and other aspects of algebra, algebraic combinatorics, and combinatorics. (en)
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