Lars Hörmander
| Lars Hörmander | |
|---|---|
Hörmander in 1969
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| Born | Lars Valter Hörmander 24 January 1931 Mjällby, Blekinge, Sweden |
| Died | 25 November 2012 (aged 81) Lund, Sweden |
| Nationality | Swedish |
| Fields | Mathematics |
| Institutions |
Stanford University Institute for Advanced Study Lund University |
| Alma mater | Lund University |
| Thesis | On the theory of general partial differential operators (1955) |
| Doctoral advisor |
Marcel Riesz Lars Gårding |
| Doctoral students |
Jan Boman Germund Dahlquist Nils Dencker Christer Kiselman Anders Melin Vidar Thomee |
| Known for | Theory of linear partial differential equations |
| Notable awards |
Leroy P. Steele Prize (2006) Wolf Prize (1988) Fields Medal (1962) |
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". He was awarded the Fields Medal in 1962, the Wolf Prize in 1988, and the Leroy P. Steele Prize in 2006. His Analysis of Linear Partial Differential Operators I–IV is considered a standard work on the subject of linear partial differential operators.
Hörmander completed his Ph.D. in 1955 at Lund University. Hörmander then worked at , at Stanford University, and at the Institute for Advanced Study in Princeton, New Jersey. He returned to Lund University as professor from 1968 until 1996, when he retired with the title of professor emeritus.
Hörmander was born in Mjällby, a village in Blekinge in southern Sweden where his father was a teacher. Like his older brothers and sisters before him, he attended the realskola (secondary school), in a nearby town to which he commuted by train, and the gymnasium (high school) in Lund from which he graduated in 1948.
At the time when he entered the gymnasium, the principal had instituted an experiment of reducing the period of the education from three to two years, and the daily activities to three hours. This freedom to work on his own, "[greater] than the universities offer in Sweden today", suited Hörmander "very well". He was also positively influenced by his enthusiastic mathematics teacher, a docent at Lund University who encouraged him to study university level mathematics.
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