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Beniamino Segre
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Beniamino Segre (16 February 1903 – 2 October 1977) was an Italian mathematician who is remembered today as a major contributor to algebraic geometry and one of the founders of finite geometry.
==Life and career==
He was born and studied in Turin. Among his main contributions to algebraic geometry are studies of birational invariants of algebraic varieties, singularities and algebraic surfaces. His work was in the style of the old Italian School, although he also appreciated the greater rigour of modern algebraic geometry. Another contribution of his was the introduction of finite and non-continuous structures into geometry. In his best known paper he proved the following theorem: In a Desarguesian plane of odd order, the ovals are exactly the irreducible conics. Some critics felt that his work was no longer geometry, but today it is recognized as a separate sub-discipline: finite or combinatorial geometry.
In 1938 he lost his professorship as a result of the anti-Jewish laws enacted under Benito Mussolini's government; he spent the next 8 years in Great Britain (mostly at the University of Manchester〔(Beniamino Segre ). www-history.mcs.st-and.ac.uk〕), then returned to Italy to resume his academic career.〔Vesentini (op. cit.) the eight years, from 1938 to 1946, he spent in England, after having been expelled from his chair in the University of Bologna by the racial laws enacted by the fascist regime.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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