Leonidas Alaoglu | |
|---|---|
| Born | (1914-03-19)March 19, 1914 |
| Died | August 1981(1981-08-00) (aged 67) |
| Citizenship | Canadian-American |
| Education | University of Chicago |
| Known for | Alaoglu's theorem |
| Scientific career | |
| Fields | Mathematics(topology,number theory) |
| Institutions | |
| Thesis | Weak topologies ofNormed linear spaces (1938) |
| Doctoral advisor | Lawrence M. Graves |
Leonidas (Leon)Alaoglu (Greek:Λεωνίδας Αλάογλου; March 19, 1914 – August 1981) was a Canadian-Americanmathematician who focused ontopology andnumber theory. He is best known forAlaoglu's theorem on theweak-star compactness of the closedunit ball in thedual of anormed space, also known as theBanach–Alaoglu theorem.[1]
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Alaoglu was born inRed Deer, Alberta toGreek parents.[citation needed] He received hisBS in 1936, Master's in 1937, and PhD in 1938 (at the age of 24), all from theUniversity of Chicago.[citation needed] His dissertation, written under the direction of Lawrence M. Graves, was onWeak topologies of normed linear spaces and establishesAlaoglu's theorem.[citation needed] TheBourbaki–Alaoglu theorem is a generalization of this result byBourbaki todual topologies.[citation needed]
After some years teaching atPennsylvania State College,Harvard University andPurdue University,[citation needed] in 1944 he became anoperations analyst for theUnited States Air Force.[citation needed]
On August 21, 1947, Alaoglu marriedTurkish Canadian teacher Cleo Alaoglu (1915–2016).[2] The couple would go on to have three children, raising them in theEncino district of Los Angeles as well as inWashington, D.C.[2]
In 1952, Anaoglu attended the founding meeting of theOperations Research Society of America.[3]
From 1953 to 1981, he worked as a senior scientist in operations research at theLockheed Corporation inBurbank, California, where he wrote numerous research reports, some of themclassified.[citation needed]
During the Lockheed years, he took an active part inseminars and other mathematical activities atCaltech,UCLA andUSC. After his death in 1981, aLeonidas Alaoglu Memorial Lecture SeriesArchived 2020-08-06 at theWayback Machine was established at Caltech.[4] Speakers have includedPaul Erdős,Irving Kaplansky,Paul Halmos andHugh Woodin.
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