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Camille Jordan

Camille Jordan

French mathematician
Camille Jordan
The basics

Quick Facts

Intro French mathematician
Was Mathematician Engineer Professor
From France
Type Academia Engineering Mathematics
Gender male
Birth 5 January 1838, Lyon, Urban Community of Lyon, Rhône, Auvergne-Rhône-Alpes
Death 22 January 1922, Paris, Île-de-France, France (aged 84 years)
Children: Édouard Jordan
The details (from wikipedia)


Marie Ennemond Camille Jordan (French: [ʒɔʀdan]; 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 foundational results:

  • The Jordan curve theorem, a topological result required in complex analysis
  • The Jordan normal form and the Jordan matrix in linear algebra
  • In mathematical analysis, Jordan measure (or Jordan content) is an area measure that predates measure theory
  • In group theory the Jordan–Hölder theorem on composition series is a basic result.
  • Jordan's theorem on finite linear groups

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.

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).

The contents of this page are sourced from Wikipedia article. The contents are available under the CC BY-SA 4.0 license.
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