Carl Wilhelm Borchardt (22 February 1817 – 27 June 1880) was a German mathematician. Borchardt was born to a Jewish family in Berlin. His father, Moritz, was a respected merchant, and his mother was Emma Heilborn. 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. In 1848 he began teaching at the University of Berlin.

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  • Carl Wilhelm Borchardt (22 February 1817 – 27 June 1880) was a German mathematician. Borchardt was born to a Jewish family in Berlin. His father, Moritz, was a respected merchant, and his mother was Emma Heilborn. 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. In 1848 he began teaching at the University of Berlin. He did research in the area of arithmetic-geometric mean, continuing work by Gauss and Lagrange. He generalised the results of Kummer diagonalising symmetric matrices, using determinants and Sturm functions. He was also an editor of Crelle's Journal from 1856–80, 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. (en)
  • Karl Wilhelm Borchardt (* 22. Februar 1817 in Berlin; † 27. Juni 1880 in Rüdersdorf bei Berlin) war ein deutscher Mathematiker. (de)
  • Karl Wilhelm Borchardt (22 février 1817 à Berlin - 27 juin 1880 à Rüdersdorf) était un mathématicien allemand. (fr)
  • Nacque a Berlino da una famiglia ebraica. Studiò matematica dal 1836 all'Università di Berlino con Dirichlet e nel 1839 si trasferì all'Università di Königsberg, dove studiò con Bessel, Neumann e Jacobi. Si laureò con una tesi sulle equazioni differenziali non lineari. Nel 1843-1844 fece un viaggio in Italia con Jacobi poi per diversi anni si dedicò a sviluppare studi matematici originali a Berlino. Si occupò della media aritmetica-geometrica, proseguendo i lavori di Gauss e Lagrange in questo campo; generalizzò i risultati di Kummer sulla diagonalizzazione di matrici simmetriche, usando determinanti e funzioni di Sturm. Nel 1856 divenne membro a pieno titolo dell'Accademia delle scienze di Berlino e da quell'anno fu direttore per 24 anni, fino alla morte, della rivista di matematica Crelle's Journal. In tale periodo la rivista era chiamata Borchardt's Journal. Nel 1860 scoprì una formula della teoria dei grafi che nel 1889 fu generalizzata da Arthur Cayley. Cayley nel suo lavoro riconobbe la paternità della scoperta a Borchardt, ma oggi la formula è nota come formula di Cayley. (it)
  • Karl Wilhelm Borchardt (Berlijn, 22 februari 1817 - Rüdersdorf bei Berlin, 27 juni 1880) was een Duitse wiskundige. (nl)
  • Carl Wilhelm Borchardt (Berlim, 22 de fevereiro de 1817 — Rüdersdorf, 27 de junho de 1880) foi um matemático alemão. (pt)
  • Карл Вильгельм Борхардт (нем. Karl Wilhelm Borchardt; 22 февраля 1817, Берлин — 27 июня 1880, Рюдерсдорф) — немецкий математик. (ru)
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  • 1817-02-22 (xsd:date)
  • 1817-2-22
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  • 1880-06-27 (xsd:date)
  • 1880-6-27
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  • Carl Wilhelm Borchardt
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  • German mathematician (en)
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http://purl.org/linguistics/gold/hypernym
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  • Karl Wilhelm Borchardt (* 22. Februar 1817 in Berlin; † 27. Juni 1880 in Rüdersdorf bei Berlin) war ein deutscher Mathematiker. (de)
  • Karl Wilhelm Borchardt (22 février 1817 à Berlin - 27 juin 1880 à Rüdersdorf) était un mathématicien allemand. (fr)
  • Karl Wilhelm Borchardt (Berlijn, 22 februari 1817 - Rüdersdorf bei Berlin, 27 juni 1880) was een Duitse wiskundige. (nl)
  • Carl Wilhelm Borchardt (Berlim, 22 de fevereiro de 1817 — Rüdersdorf, 27 de junho de 1880) foi um matemático alemão. (pt)
  • Карл Вильгельм Борхардт (нем. Karl Wilhelm Borchardt; 22 февраля 1817, Берлин — 27 июня 1880, Рюдерсдорф) — немецкий математик. (ru)
  • Carl Wilhelm Borchardt (22 February 1817 – 27 June 1880) was a German mathematician. Borchardt was born to a Jewish family in Berlin. His father, Moritz, was a respected merchant, and his mother was Emma Heilborn. 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. In 1848 he began teaching at the University of Berlin. (en)
  • Nacque a Berlino da una famiglia ebraica. Studiò matematica dal 1836 all'Università di Berlino con Dirichlet e nel 1839 si trasferì all'Università di Königsberg, dove studiò con Bessel, Neumann e Jacobi. Si laureò con una tesi sulle equazioni differenziali non lineari. Nel 1856 divenne membro a pieno titolo dell'Accademia delle scienze di Berlino e da quell'anno fu direttore per 24 anni, fino alla morte, della rivista di matematica Crelle's Journal. In tale periodo la rivista era chiamata Borchardt's Journal. (it)
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  • Carl Wilhelm Borchardt (en)
  • Karl Wilhelm Borchardt (de)
  • Karl Wilhelm Borchardt (fr)
  • Carl Borchardt (it)
  • Karl Wilhelm Borchardt (nl)
  • Carl Wilhelm Borchardt (pt)
  • Борхардт, Карл Вильгельм (ru)
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