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Alan Gaius Ramsay McIntosh (* 1942 in Sydney, † August 8, 2016) was an Australian mathematician who dealt with analysis (harmonic analysis, partial differential equations). He was a professor at the Australian National University in Canberra.[1]
Alan McIntosh | |
|---|---|
 Alan McIntosh in 2004 | |
| Born | 1942 Sydney, Australia |
| Died | August 8, 2016 (aged 73–74) |
| Scientific career | |
| Fields | Harmonic analysis Partial differential equations |
| Institutions | Macquarie University Australian National University |
McIntosh studied at the University of New England with a bachelor's degree in 1962 (as a student he also received the University Medal ) and PhD in 1966 with Frantisek Wolf at the University of California, Berkeley, ( Representation of Accretive Bilinear Forms in Hilbert Space by Maximal Accretive Operator ). In Berkeley, he was also a student of Tosio Kato. As a post-doctoral student, he was at the Institute for Advanced Study and from 1967 he taught at Macquarie University and from 1999 at the Australian National University. In 2014 he became emeritus.
McIntosh was involved in solving the Calderon conjecture in the theory of singular integral operators.
In 2002, he solved with Pascal Auscher, Michael T. Lacey, Philipp Tchamitchian and Steve Hofmann the open Kato root problem for elliptic differential operators.
He also deals with singular integral operators, boundary value problems of partial differential equations with applications (such as scattering theory of the Maxwell equations in irregular areas), spectral theory and functional calculus of operators in Banach spaces, analysis with Clifford algebras, barriers for the heat kernel equation and functional calculus for elliptic partial differential operators.
In 1986 he became a fellow of the Australian Academy of Science, whose Hannan Medal he received in 2015.[2] In 2002 he received the Moyal Medal from Macquarie University.[3]
References
edit- ^ "Professor Alan McIntosh". Archived from the original on 16 April 2011. Retrieved 3 February 2020.
- ^ "Hannan Medal". Retrieved 3 February 2020.
- ^ "Moyal Medal". Retrieved 3 February 2020.
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