Yury Yershov (original) (raw)
Ю́рий Леони́дович Ершо́в (род. 1 мая 1940, Новосибирск) — советский и российский математик, академик РАН (1991), доктор физико-математических наук, профессор, советник РАН, лидер сибирской школы алгебры и логики.
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| dbo:abstract | Juri Leonidowitsch Jerschow (russisch Юрий Леонидович Ершов, englisch Yury Ershov; * 5. Januar 1940 in Nowosibirsk) ist ein russischer Mathematiker, der sich mit mathematischer Logik beschäftigt. Jerschow wurde 1963 an der Universität Nowosibirsk bei Anatoli Malzew promoviert („Über die Entscheidbarkeit elementarer Theorien“) und wurde dort 1967 Professor für Algebra und mathematische Logik und Leiter der Abteilung mathematische Logik. 1973 bis 1976 war er dort Dekan der mathematischen Fakultät und 1985 wurde er Rektor der Universität. Er ist zurzeit Direktor des Sobolew-Instituts in Nowosibirsk. Anlässlich eines USA-Besuchs Jerschows 1980 im Rahmen des Fulbright-Programms warfen ihm 40 Mathematiker der University of California, Berkeley, und anderer Hochschulen- darunter Leon Henkin, Julia und Raphael Robinson, John L. Kelley, Stephen Smale, , Hilary Putnam, Akihiro Kanamori, Hartley Rogers, Sy Friedman und Richard A. Shore – die Beteiligung an antisemitischer Politik gegenüber jüdischen Kollegen in der UdSSR vor und riefen zum Boykott auf. Jerschow wies die Vorwürfe zurück und stellte fest, dass er sich in seiner Arbeit nie von rassistischen Vorurteilen leiten gelassen habe. Jerschow beschäftigte sich mit mathematischer Logik, Modelltheorie und Zahlentheorie. Er war seit 1970 korrespondierendes Mitglied der Russischen Akademie der Wissenschaften und ist seit 1990 deren Mitglied. Außerdem ist er in deren sibirischer Abteilung und seit 1986 dort im Präsidium. Seit 1968 ist er Mitglied der Association of Symbolic Logic. 1970 war er Invited Speaker auf dem Internationalen Mathematikerkongress in Nizza (La theorie des enumerations) und 1966 in Moskau (Elementare Körpertheorien). 2013 wurde er mit dem Demidow-Preis ausgezeichnet. Er sollte nicht mit dem Informatiker Andrei Petrowitsch Jerschow verwechselt werden, der 1955 eine der ersten Programmiersprachen entwickelte. Jerschows älterer Bruder ist der Ökonom und Mathematiker Waleri Leonidowitsch Makarow. (de) Yury Leonidovich Yershov (Russian: Ю́рий Леони́дович Ершо́в, born 1 May 1940 [1]) is a Soviet and Russian mathematician. Yury Yershov was born in 1940 in Novosibirsk. In 1958 he entered the Tomsk State University and in 1963 graduated from the Mathematical Department of the Novosibirsk State University. In 1964 he successfully defended his PhD thesis "Decidable and Undecidable Theories" (advisor Anatoly Maltsev). In 1966 he successfully defended his DrSc thesis "Elementary Theory of Fields" (Элементарные теория полей). Apart from being a mathematician, Yershov was a member of the Communist Party and had different distinguished administrative duties in Novosibirsk State University. Yershov has been accused of antisemitic practices, and his visit to the U.S. in 1980 drew public protests by a number of U.S. mathematicians. Yershov himself denied the validity of these accusations. Yury Yershov is a member of the Russian Academy of Sciences, professor emeritus of Novosibirsk State University and a former Rector of the Novosibirsk State University. He has been working at the Sobolev Institute of Mathematics since 1963. Currently he is Director of this Institute (since 2003). In 1968 he received the title of Full Professor. In 1970 he was elected to be a Correspondent Member of the Academy of Sciences of the USSR, in 1990 he became Full Member (Academician) of the Russian Academy of Sciences. In 1964–2002 he worked at the Novosibirsk State University (as second job): in 1968–2002 as a professor, in addition, in 1973–1976 he was dean of the Mathematical Department of the Novosibirsk State University and rector of this university in 1985–1993. He is editor in chief of the Siberian Mathematical Journal and editor in chief of the journal Algebra i Logika (Algebra and Logic). [2][3] His basic scientific interests are: algebra, field theory, mathematical logic, algorithm theory, model theory, constructive models, computer science and philosophical aspects of mathematics. He proved decidability of the elementary theory of the field of p-adic numbers (independently proven by J. Ax and S. Kochen), undecidability of the elementary theory of finite symmetric groups, decidability of the elementary theory of relatively complemented distributive lattices. Yury Yershov is a laureate of Maltsev's Award of the Russian Academy of Sciences (1992), Russian State Award in the area of Science and Technics (2002, 2003), Lavrentyev's Foundation Award (2007), and is decorated with several Russian State Orders.[4] In 2013 he won the Demidov Prize. He was an invited speaker at the International Congress of Mathematicians in 1966 at Moscow with the talk Elementary theories of fields and in 1970 at Nice with the talk La theorie des enumerations. (en) Ю́рий Леони́дович Ершо́в (род. 1 мая 1940, Новосибирск) — советский и российский математик, академик РАН (1991), доктор физико-математических наук, профессор, советник РАН, лидер сибирской школы алгебры и логики. (ru) Yuri Leonidovich Ershov ou Yershov (Юрий Леонидович Ершов; Novosibirsk, 1 de maio de 1940) é um matemático soviético e russo. Foi palestrante convidado do Congresso Internacional de Matemáticos em Moscou (1966: Elementary theories of fields) e em Nice (1970: 'La theorie des enumerations). (pt) |
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| rdfs:comment | Ю́рий Леони́дович Ершо́в (род. 1 мая 1940, Новосибирск) — советский и российский математик, академик РАН (1991), доктор физико-математических наук, профессор, советник РАН, лидер сибирской школы алгебры и логики. (ru) Yuri Leonidovich Ershov ou Yershov (Юрий Леонидович Ершов; Novosibirsk, 1 de maio de 1940) é um matemático soviético e russo. Foi palestrante convidado do Congresso Internacional de Matemáticos em Moscou (1966: Elementary theories of fields) e em Nice (1970: 'La theorie des enumerations). (pt) Juri Leonidowitsch Jerschow (russisch Юрий Леонидович Ершов, englisch Yury Ershov; * 5. Januar 1940 in Nowosibirsk) ist ein russischer Mathematiker, der sich mit mathematischer Logik beschäftigt. Jerschow wurde 1963 an der Universität Nowosibirsk bei Anatoli Malzew promoviert („Über die Entscheidbarkeit elementarer Theorien“) und wurde dort 1967 Professor für Algebra und mathematische Logik und Leiter der Abteilung mathematische Logik. 1973 bis 1976 war er dort Dekan der mathematischen Fakultät und 1985 wurde er Rektor der Universität. Er ist zurzeit Direktor des Sobolew-Instituts in Nowosibirsk. (de) Yury Leonidovich Yershov (Russian: Ю́рий Леони́дович Ершо́в, born 1 May 1940 [1]) is a Soviet and Russian mathematician. Yury Yershov was born in 1940 in Novosibirsk. In 1958 he entered the Tomsk State University and in 1963 graduated from the Mathematical Department of the Novosibirsk State University. In 1964 he successfully defended his PhD thesis "Decidable and Undecidable Theories" (advisor Anatoly Maltsev). In 1966 he successfully defended his DrSc thesis "Elementary Theory of Fields" (Элементарные теория полей). (en) |
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