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Lars Valter Hörmander (24 January 1931 – 25 November 2012) was a Swedish mathematician who has been called "the foremost contributor to the modern theory of linear partial differential equations". Hörmander was awarded the Fields Medal in 1962 and the Wolf Prize in 1988.
Foi um dos fundadores da teoria dos operadores pseudo-diferenciais, uma generalização das equações diferenciais parciais. Após permanecer nos Estados Unidos de 1964 a 1968, na Universidade de Princeton, ocupou cadeira de professor na Universidade de Lund.
25 de nov. de 2012 · Lars Hörmander was a Swedish mathematician who won a Fields medal and a Wolf prize for his work on partial differential equations. View five larger pictures. Biography. Lars Hörmander's father Armand Per Hilding Jönsson (1893-1981) was a school teacher in the small fishing village on the south coast of Sweden where Lars was born.
He was the leading figure in the dramatic de-velopment of the theory of linear partial differential equations during the second half of the twentieth century, and his L2 estimates for the ̄@ equation became a revolutionary tool in complex analysis of several variables.
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Lars V. Hörmander was a Swedish mathematician who was awarded the Fields Medal in 1962 for his work on partial differential equations. Between 1987 and 1990 he served as a vice president of the International Mathematical Union.
- The Editors of Encyclopaedia Britannica
"[Lars] Hörmander was a powerful analyst who revolutionized the modern theory of partial differential equations. Among many other contributions, his theories of pseudodifferential operators and Fourier integral operators will have lasting value. . . .
Lars V. Hormander, a Swede who won the most prestigious award in mathematics for his groundbreaking work on partial differential equations, which has found broad applications across many branches of physics, died on Nov. 25 in Lund, Sweden. He was 81.
