Oscar Lanford (original) (raw)
Oscar Eramus Lanford III, né le 6 janvier 1940 à New York et mort le 16 novembre 2013, est un mathématicien américain.
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| dbo:abstract | Oscar Erasmus Lanford III, häufig zitiert als Oscar E. Lanford III, (* 6. Januar 1940 in New York City; † 16. November 2013) war ein US-amerikanischer Mathematiker und mathematischer Physiker. Lanford studierte an der Wesleyan University und promovierte 1966 an der Princeton University bei Arthur Wightman (Construction of Quantum Fields Interacting by a Cut-Off Yukawa Coupling). Danach war er ab 1966 zunächst als Assistant Professor, später als Professor an der University of California, Berkeley. 1970 war er am Institute for Advanced Study. Ab 1982 war er Physik-Professor am IHES bei Paris. Ab 1987 war er Professor an der ETH Zürich und von 1995 bis 1998 auch Vorstand des Mathematik-Departements. Seit 2005 war er Professor Emeritus an der ETH. Lanford arbeitete in der mathematischen Physik zunächst in Konstruktiver Quantenfeldtheorie, dann in statistischer Physik und der Theorie dynamischer Systeme. Insbesondere verwendete er Renormierungsgruppenmethoden in der computergestützten Analyse dynamischer Systeme, so in dem Beweis der Feigenbaum-Vermutungen im Feigenbaum-Szenario. 1976 bewies er die Gültigkeit der Boltzmann-Gleichung für ein klassisches Gas streuender Kugeln, allerdings gilt sein Beweis nur für sehr kurze Zeiten. Er war Ehrendoktor der Wesleyan University und erhielt 1986 den Preis der National Academy of Sciences für Angewandte Mathematik und Numerische Analysis. Er war Invited Speaker auf dem ICM 1986 (Computer assisted proofs in analysis) und 1974 in Vancouver (Time evolution of infinite classical systems). 1969 bis 1971 war er Sloan Research Fellow. Er war Fellow der American Mathematical Society. (de) Oscar Eramus Lanford III, né le 6 janvier 1940 à New York et mort le 16 novembre 2013, est un mathématicien américain. (fr) Oscar Eramus Lanford III (January 6, 1940 – November 16, 2013) was an American mathematician working on mathematical physics and dynamical systems theory. (en) Оскар Эрамус Лэнфорд III (6 января 1940, Нью-Йорк, США — 16 ноября 2013) — американский математик, работавший в области математической физики и теории динамических систем. Степень бакалавра получил в Уэслианском университете, а доктора — в Принстонском университете в 1966 году под руководством . Работал профессором математики в Калифорнийском университете в Беркли, и профессором физики в Институте высших научных исследований в Бюр-сюр-Иветте, Франция. По состоянию на 1987 год работал на кафедре математики Швейцарского федерального технологического института Цюриха (ETH Zürich). Удостоен в 1986 году награды Национальной академии наук США за заслуги в области прикладной математики и численного анализа. Имеет почётную докторскую степень от Уэслианского университета. С 2012 года являлся действительным членом Американского математического общества. (ru) Oscar Erasmus Lanford III, frequentemente citado como Oscar E. Lanford III, (Nova Iorque, 6 de janeiro de 1940 – 16 de novembro de 2013) foi um matemático estadunidense. Lanford estudou na Universidade Wesleyan e obteve um doutorado em 1966 na Universidade de Princeton, orientado por Arthur Wightman, com a tese Construction of Quantum Fields Interacting by a Cut-Off Yukawa Coupling. Foi depois a partir de 1966 inicialmente Professor Assistente e depois Professor da Universidade da Califórnia em Berkeley. A partir de 1982 foi professor de física no Institut des Hautes Études Scientifiques (IHES) ao sul de Paris. A partir de 1987 foi professor do Instituto Federal de Tecnologia de Zurique (ETH Zurique). Esteve em 1970 no Instituto de Estudos Avançados de Princeton. Lanford trabalhou na física matemática inicialmente em , depois em física estatística e teoria de sistemas dinâmicos. Em especial utilizou métodos de grupos de renormalização na análise computacional de sistemas dinâmicos, como na prova da hipótese de Feigenbaum no cenário de Feigenbaum. Em 1976 provou a validade da equação de transporte de Boltzmann para um problema clássico de espalhamento de esferas de gás, porém sua prova vale somente para tempos muito curtos. Foi palestrante convidado do Congresso Internacional de Matemáticos em Vancouver (1974: Time evolution of infinite classical systems) e Berkeley (1986: Computer assisted proofs in analysis). De 1969 a 1971 foi . Foi membro da American Mathematical Society. (pt) |
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| rdfs:comment | Oscar Eramus Lanford III, né le 6 janvier 1940 à New York et mort le 16 novembre 2013, est un mathématicien américain. (fr) Oscar Eramus Lanford III (January 6, 1940 – November 16, 2013) was an American mathematician working on mathematical physics and dynamical systems theory. (en) Oscar Erasmus Lanford III, häufig zitiert als Oscar E. Lanford III, (* 6. Januar 1940 in New York City; † 16. November 2013) war ein US-amerikanischer Mathematiker und mathematischer Physiker. Lanford studierte an der Wesleyan University und promovierte 1966 an der Princeton University bei Arthur Wightman (Construction of Quantum Fields Interacting by a Cut-Off Yukawa Coupling). Danach war er ab 1966 zunächst als Assistant Professor, später als Professor an der University of California, Berkeley. 1970 war er am Institute for Advanced Study. Ab 1982 war er Physik-Professor am IHES bei Paris. Ab 1987 war er Professor an der ETH Zürich und von 1995 bis 1998 auch Vorstand des Mathematik-Departements. Seit 2005 war er Professor Emeritus an der ETH. (de) Оскар Эрамус Лэнфорд III (6 января 1940, Нью-Йорк, США — 16 ноября 2013) — американский математик, работавший в области математической физики и теории динамических систем. Степень бакалавра получил в Уэслианском университете, а доктора — в Принстонском университете в 1966 году под руководством . Работал профессором математики в Калифорнийском университете в Беркли, и профессором физики в Институте высших научных исследований в Бюр-сюр-Иветте, Франция. По состоянию на 1987 год работал на кафедре математики Швейцарского федерального технологического института Цюриха (ETH Zürich). (ru) Oscar Erasmus Lanford III, frequentemente citado como Oscar E. Lanford III, (Nova Iorque, 6 de janeiro de 1940 – 16 de novembro de 2013) foi um matemático estadunidense. Lanford estudou na Universidade Wesleyan e obteve um doutorado em 1966 na Universidade de Princeton, orientado por Arthur Wightman, com a tese Construction of Quantum Fields Interacting by a Cut-Off Yukawa Coupling. Foi depois a partir de 1966 inicialmente Professor Assistente e depois Professor da Universidade da Califórnia em Berkeley. A partir de 1982 foi professor de física no Institut des Hautes Études Scientifiques (IHES) ao sul de Paris. A partir de 1987 foi professor do Instituto Federal de Tecnologia de Zurique (ETH Zurique). Esteve em 1970 no Instituto de Estudos Avançados de Princeton. (pt) |
| rdfs:label | Oscar Lanford (de) Oscar Erasmus Lanford III (fr) Oscar Lanford (en) Oscar Lanford (pt) Лэнфорд, Оскар (ru) |
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