Camille Jordan
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| Born | (1838-01-05)5 January 1838 |
| Died | 22 January 1922(1922-01-22) (aged 84)
Paris
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| Nationality | French |
| Alma mater | École polytechnique |
| Known for | Jordan curve theorem Jordan decomposition Jordan normal form Jordan matrix Jordan measure Jordan totient function Jordan's inequality Jordan's lemma Jordan's theorem (symmetric group) Jordan–Chevalley decomposition Jordan–Hölder theorem Jordan–Pólya numbers Jordan–Schur theorem Jordan–Schönflies theorem Bounded variation Homotopy group k-edge-connected graph Total variation |
| Scientific career | |
| Fields | Mathematics |
| Academic advisors | Victor Puiseux and Joseph Alfred Serret |
Marie Ennemond Camille Jordan (French: [ʒɔʁdɑ̃]; 5 January 1838 – 22 January 1922) was a French mathematician, known both for his foundational work in group theory and for his influential Cours d'analyse.
Jordan was born in Lyon and educated at the École polytechnique. He was an engineer by profession; later in life he taught at the École polytechnique and the Collège de France, where he had a reputation for eccentric choices of notation.
He is remembered now by name in a number of results:
Jordan's work did much to bring Galois theory into the mainstream. He also investigated the Mathieu groups, the first examples of sporadic groups. His Traité des substitutions, on permutation groups, was published in 1870; this treatise won for Jordan the 1870 prix Poncelet.[1] He was an Invited Speaker of the ICM in 1920 in Strasbourg.[2]
The asteroid 25593 Camillejordan and Institut Camille Jordan [fr] are named in his honour.
Camille Jordan is not to be confused with the geodesist Wilhelm Jordan (Gauss–Jordan elimination) or the physicist Pascual Jordan (Jordan algebras).
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