Pierre Alphonse Laurent

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Laurent, Pierre Alphonse


Born 1813 in Paris; died there 1854. French mathematician. A military engineer by profession, Laurent in 1843 discovered the well-known theorem for the expansion of a function of a complex variable, which is analytic in a circular ring, in a series now called the Laurent series.


Cauchy, A. “Rapport sur deux memoires de P. A. Laurent.” Comptes Rendus Hebdomadaires de Seances de VAcademie des Sciences de Paris, 1855, vol. 40, pp. 632-34.