Pierre Cartier (born in Sedan, France in 1932) is a mathematician - more specifically, a category theorist.
He studied at the Ecole Normale Superieure in Paris under Henri Cartan. Since his 1958 thesis on algebraic geometry he has worked in a number of fields. He is known for the introduction of the Cartier operator in algebraic geometry in characteristic p, and for work on duality of abelian varieties and on formal groups. He is the eponym of the Cartier divisor.
From 1961 to 1971 he was at Strasbourg. Since 1971 he has been a professor at the Institut des Hautes Etudes Scientifiques. He was awarded in 1979 the Ampere Prize of the French Academy of Sciences.
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