Charles Ehresmann (19 April 1905 – 22 September 1979) was a German-born French mathematician who worked in differential topology and category theory....
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in differential topology due to Charles Ehresmann, and has many variants. Thom's first isotopy lemma Ehresmann, Charles (1951), "Les connexions infinitésimales...
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In differential geometry, an Ehresmann connection (after the French mathematician Charles Ehresmann who first formalized this concept) is a version of...
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Andrée Ehresmann (born Andrée Bastiani; 1935) is a French mathematician specialising in category theory. Ehresmann was a researcher at CNRS from 1957...
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times with Charles X, Charles XI, Charles XII, Charles XIII, Charles XIV and Charles XV. Charles I of England (1600–1649) is followed by Charles II of England...
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and were respectively replaced by new participants Jean Coulomb and Charles Ehresmann. The group's official founding conference was held in Besse-en-Chandesse...
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on differential geometry and topology. He was the first student of Charles Ehresmann. He is known as one of the founders of the theory of fiber bundles...
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geometry) is a French mathematical scientific journal established by Charles Ehresmann in 1957. It concentrates on category theory "and its applications...
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Browder Ronald Brown Henri Cartan Shiing-Shen Chern Albrecht Dold Charles Ehresmann Samuel Eilenberg Hans Freudenthal Peter Freyd Pierre Gabriel Israel...
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important applications in symplectic geometry. The concept is due to Charles Ehresmann and Heinz Hopf in the 1940s. Let M be a smooth manifold. An almost...
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