Henri Cohen (other)
Henri Cohen may refer to: *Henri Cohen (composer) (1808–1880), French music theorist and composer *Henri Cohen (water polo) (died 1930), Belgian water polo athlete *Henri Cohen (number theorist) (born 1947), French mathematician See also *Henry Cohen (other) Henry Cohen may refer to: *Henry Cohen (numismatist) (1806–1880), French numismatist, bibliographer and composer *Henry Cohen (rabbi) (1863–1952), Jewish Texan rabbi in Galveston, Texas, 1888–1952 *Henry Cohen (politician) (1872–1942), Aust ...

Henri Cohen (composer)
Henri Cohen (21 April 1806 – 17 May 1880) was a French music theorist, composer, and numismatist of Dutch birth. Career Born in Amsterdam, Cohen moved with his family to Paris at a young age. He studied there with Anton Reicha (music theory and composition), François Lays (singing), and Felice Pellegrini (singing). In 1832–34 and 1838–39 he was active as an opera composer in Naples, with some of his works premiering under the name "Carlo Coen". In 1841 his opera ''Antonio Foscarini'' premiered successfully at the Teatro Comunale di Bologna, prompting a revival the following year at the Teatro Regio di Torino. He was thereafter active as music teacher in Paris, including teaching at the Conservatoire de Paris, and was for a time director of the conservatory in Lille. Cohen's opera "l'Impératrice", was performed around 1834 in Naples, Paris, and London.. Moreover, he published four tracts about musical theory. On his advice as singing tutor, Marguerite Baux made her déb ...
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Henri Cohen (water Polo)
Henri Cohen (died 1930) was a Belgian sportsman who specialized in water polo. See also * List of Olympic medalists in water polo (men) Men's water polo has been part of the Summer Olympics program since 1900. Hungary men's national water polo team has won sixteen Olympic medals, becoming the most successful country in men's tournament. There are fifty-nine male athletes who have ... * List of select Jewish water polo players References External links * Year of birth missing 1930 deaths Olympic medalists in water polo Belgian male water polo players Medalists at the 1900 Summer Olympics Olympic silver medalists for Belgium Jewish Belgian sportspeople Olympic water polo players of Belgium Water polo players at the 1900 Summer Olympics Date of death missing Place of birth missing Place of death missing {{Belgium-Olympic-medalist-stub ...
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Henri Cohen (number Theorist)
Henri Cohen (born 8 June 1947) is a number theorist, and a professor at the University of Bordeaux. He is best known for leading the team that created the PARI/GP computer algebra system. He introduced the Rankin–Cohen bracket and has written several textbooks in computational and algebraic number theory Algebraic number theory is a branch of number theory that uses the techniques of abstract algebra to study the integers, rational numbers, and their generalizations. Number-theoretic questions are expressed in terms of properties of algebraic ob .... Selected publications * ; 2nd correct. print 19951st printing 1993ref> * * * * References External links Personal web page* Number theorists École Normale Supérieure alumni 20th-century French mathematicians 21st-century French mathematicians 1947 births Living people University of Bordeaux faculty {{France-mathematician-stub ...
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