Mathematician
Jacques Hadamard
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Also Known As Jacques Salomon Hadamard
Modern
Jacques Hadamard was a French mathematician who made major contributions in number theory, complex analysis, differential geometry, and partial differential equations, and who proved the prime number theorem in 1896. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/
Facts
Nationality / Culture Defining ContributionHadamard proved the prime number theorem in 1896 using complex function theory, independently of Charles-Jean de la Vallée Poussin's proof the same year. 2 Notable WorkProved the prime number theorem (1896), independently of Charles-Jean de la Vallée Poussin. 1 AwardBordin Prize (1896); Prix Poncelet (1898); elected to the Academie des Sciences (1912); Fellow of the Royal Society (1932); CNRS Gold Medal (1956). 1 Connections
Conjectures Posed
Source Cartan-Hadamard conjecture (Wikipedia)
In Branch
Mentored
Source André Weil (Wikipedia)
Source René Maurice Fréchet (Wikipedia)
Proofs Credited
Source Hadamard three-lines theorem, Wikipedia
Source Prime Number Theorem (Wikipedia)
In the Other Atlases
Nationality
Also in Geography Atlas: the nationality of this subject.
Source Jacques Hadamard (Wikipedia)Lead paragraph of the cited Wikipedia articletier 2Quote, Lead paragraph of the cited Wikipedia article
Jacques Salomon Hadamard (French: [adamaʁ]; 8 December 1865 – 17 October 1963) was a French mathematician who made major contributions in complex analysis, number theory, differential geometry, and partial differential equations.
Sources
1. Jacques Hadamard (Wikipedia)
Wikimedia FoundationLead section
Jacques Salomon Hadamard (French: [adamaʁ]; 8 December 1865 - 17 October 1963) was a French mathematician who made major contributions in complex analysis, number theory, differential geometry, and partial differential equations.
infobox
French mathematician
Biography
The following year he took up a lectureship in the University of Bordeaux, where he proved his celebrated inequality on determinants, which led to the discovery of Hadamard matrices when equality holds. In 1896 he made two important contributions: he proved the prime number theorem, using complex function theory (also proved independently by Charles Jean de la Vallée-Poussin); and he was awarded the Bordin Prize of the French Academy of Sciences for his work on geodesics in the differential geometry of surfaces and dynamical systems.
View the Source 2. Prime Number Theorem (Wikipedia)
Wikimedia FoundationLead sectionQuote, Lead section
The theorem was proved independently by Jacques Hadamard and Charles Jean de la Vallée Poussin in 1896 using ideas introduced by Bernhard Riemann (in particular, the Riemann zeta function).
André Weil (Wikipedia)
Mentored: André Weil, Infobox, doctoral advisor or academic advisorsView the Source René Maurice Fréchet (Wikipedia)
Mentored: René Fréchet, Infobox, doctoral advisor or academic advisorsView the Source Cartan-Hadamard conjecture (Wikipedia)
Conjectures Posed: Cartan-Hadamard Conjecture, Lead sectionQuote, Conjectures Posed: Cartan-Hadamard Conjecture, Lead section
named after French mathematicians Élie Cartan and Jacques Hadamard
Hadamard three-lines theorem, Wikipedia
Proofs Credited: Hadamard Three-Lines Theorem, Lead sectionQuote, Proofs Credited: Hadamard Three-Lines Theorem, Lead section
The theorem is named after the French mathematician Jacques Hadamard.
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