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・ Jacques Fabien Gautier d'Agoty
・ Jacques Faitlovitch
・ Jacques Faivre
・ Jacques Faivre (bishop)
・ Jacques Faizant
・ Jacques Famery
・ Jacques Fansten
・ Jacques Fath
・ Jacques Fatton
・ Jacques Faty
・ Jacques Faubert
・ Jacques Faure
・ Jacques Faure (French Army officer)
・ Jacques Favart
・ Jacques Favre
Jacques Feldbau
・ Jacques Felix
・ Jacques Fellice
・ Jacques Fernique
・ Jacques Ferrand
・ Jacques Ferrier
・ Jacques Ferron
・ Jacques Ferron (bestiality)
・ Jacques Fesch
・ Jacques Fey
・ Jacques Feyder
・ Jacques Fieschi
・ Jacques Finet
・ Jacques Firmin Beauvarlet
・ Jacques Flouret


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Jacques Feldbau : ウィキペディア英語版
Jacques Feldbau

Jacques Feldbau was a French mathematician, born on 22 October 1914 in Strasbourg, of an Alsatian Jewish traditionalist family. He died on 22 April 1945 at the ''Ganacker'' Camp, annex of the concentration camp of Flossenbürg in Germany. As a mathematician he worked on differential geometry and topology. He was the very first student of Charles Ehresmann.
He is known as one of the founders of the theory of fiber bundles. He is the one who first proved that a fiber bundle over a simplex is trivializable and who used this to classify bundles over spheres.
In a paper, written together with Ehresmann, he introduced the notion of an associated bundle and proved results known today as the exact homotopy sequence of a fibration.
==Biography==


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