Carl Borchardt | |
|---|---|
 Carl Wilhelm Borchardt (1817-1880) | |
| Born | 22 February 1817 |
| Died | 27 June 1880 (aged 63) |
| Nationality | German |
| Alma mater | University of Berlin University of Königsberg |
| Known for | Diagonalising symmetric matrices |
| Scientific career | |
| Fields | Mathematician |
| Institutions | University of Berlin |
| Doctoral advisor | Peter Gustav Lejeune Dirichlet |
Carl Wilhelm Borchardt (22 February 1817 – 27 June 1880) was a German mathematician.
Borchardt was born to a Jewish family in Berlin.[1] His father, Moritz, was a respected merchant, and his mother was Emma Heilborn.[1] Borchardt studied under a number of tutors, including Julius Plücker and Jakob Steiner. He studied at the University of Berlin under Lejeune Dirichlet in 1836 and at the University of Königsberg in 1839.[1] In 1848 he began teaching at the University of Berlin.
He did research in the area of the arithmetic-geometric mean, continuing work by Gauss and Lagrange. He generalised the results of Kummer on diagonalising symmetric matrices, using determinants and Sturm functions. He was also an editor of Crelle's Journal from 1856 to 1880, during which time it was known as Borchardt's Journal.
He died in Rüdersdorf, Germany. His grave is preserved in the Protestant Friedhof III der Jerusalems- und Neuen Kirchengemeinde (Cemetery No. III of the congregations of Jerusalem's Church and New Church) in Berlin-Kreuzberg, south of Hallesches Tor.
See also
References
- ^ a b c O’Connor, J.J.; E.F. Robertson (August 2006). "Carl Wilhelm Borchardt". The MacTutor History of Mathematics archive. University of St Andrews. Retrieved 2007-03-12.
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This page was last edited on 25 September 2023, at 19:43