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Jean-Marc Fontaine (born 13 March 1944) is a French mathematician. He is one of founders of p-adic Hodge theory. He is a professor at Paris-Sud 11 University since 1988. == Life == In 1962 Fontaine entered the École Polytechnique, from 1965 to 1971 was a researcher at CNRS and received his doctorate in 1972. From 1971 to 72 he was at the University of Paris VI and from 1972 to 1988 was at the University of Grenoble (only Maître de Conferences, but later a professor). Since 1989 he is professor at the University of Paris-Sud XI in Orsay. Among his first works was the classification of ''p''-divisible groups (= Barsotti–Tate group) over the ring of integers of a local field and the field of ''p''-adic periods, a ''p''-adic analogue of the field of complex numbers. Fontaine is one of the founders of -adic Hodge theory. He proved that there are no non-trivial abelian varieties over the rational numbers with good reduction everywhere (''Il n'y a pas de variété abélienne sur Z'', Inventiones Mathematicae vol. 81, 1985, p. 515). He introduced the concept of geometric Galois representation of the Galois group of a number field. He also worked on Bloch-Kato conjectures. In 1984 he received the Prix Carrière from the French Academy of Sciences. Since 2002 he is a member of the French Academy of Sciences. In 2002 he was awarded the Gay-Lussac-Humboldt Prize. He was an invited speaker at the International Mathematical Congresses in Warsaw 1983 (Représentations p-adiques) and Beijing 2002 (analyse p-adique et représentations galoisiennes). His students include Christophe Breuil (1996), Pierre Colmez and Jean-Pierre Wintenberger. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Jean-Marc Fontaine」の詳細全文を読む スポンサード リンク
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