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Michel Lazard (1924–1985) was a French mathematician who worked in the theory of Lie groups in the context of p-adic analysis. His work took on a life of its own in the hands of Daniel Quillen in the late 20th century. Quillen's discovery, that a ring Lazard used to classify formal group laws was isomorphic to an important ring in topology, lead to the subject of chromatic homotopy theory. Lazard's self contained treatise on one-dimensional formal groups also birthed the field of p-divisible groups. His major contributions: * classification of p-adic Lie groups: every p-adic Lie group is a closed subgroup of * the classification of (1-dimensional commutative) formal groups * the universal formal group law coefficient ring (Lazard's universal ring) is a polynomial ring * the concept of analyseurs, reinvented by Peter May under the name "operads." ==References== * * * * 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「Michel Lazard」の詳細全文を読む スポンサード リンク
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