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David John Angelo Trotman〔 (born September 27, 1951) is a mathematician, with dual British and French nationality. He is a grandson of the poet and author Oliver W F Lodge and a great-grandson of the physicist Sir Oliver Lodge. He is a leading expert in an area of singularity theory known as the theory of stratifications, and particularly on properties of stratifications satisfying the Whitney conditions and other similar conditions (due to René Thom, Tzee-Char Kuo, Jean-Louis Verdier, Trotman himself, and Karim Bekka for example) important for understanding topological stability. At the age of 16, with Philip Crabtree, he was awarded the Explorer Belt in Izmir, Turkey. From 1958 to 1962 Trotman attended Gig Mill School, Stourbridge, Worcestershire, where he was in the same class as Kay Partridge, now Dame Kay Davies. He was educated at King Edward's School in Stourbridge, before entering St. John's College, Cambridge in 1969, where he won the John Couch Adams Essay Prize in 1971 for an essay on plane algebraic curves. He carried out doctoral work at the University of Warwick, and the University of Paris-Sud, Orsay. His thesis, entitled ''Whitney Stratifications : Faults and Detectors'', was directed by Christopher Zeeman while at Warwick, and Bernard Teissier and René Thom while at Orsay, although Terry Wall and Robert MacPherson were major influences. After positions at the University of Paris-Sud and the University of Angers, since 1988 Trotman has been Professor of Mathematics at the University of Provence in Marseilles, France, now called Aix-Marseille University. He has held visiting positions at Cornell University, the University of Hawaii, the Isaac Newton Institute, Cambridge, England, the Mathematical Sciences Research Institute in Berkeley, USA, and the Fields Institute in Toronto, Canada. Trotman has directed eleven PhD theses. Among his research students are (Patrice Orro ), Karim Bekka, (Stéphane Simon ), (Claudio Murolo ), (Georges Comte ), Dwi Juniati and (Guillaume Valette ).〔 Trotman was Director of the (Graduate School in Mathematics and Computing of Marseilles ) from 1996 to 2004, and was an elected member of the CNU (the French National University Council) from 1999 until 2007. ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「David Trotman」の詳細全文を読む スポンサード リンク
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