• Thumbnail for Joseph Diez Gergonne
    Joseph Diez Gergonne (19 June 1771 at Nancy, France – 4 May 1859 at Montpellier, France) was a French mathematician and logician. In 1791, Gergonne enlisted...
    7 KB (730 words) - 23:17, 25 April 2024
  • Thumbnail for Annales de Gergonne
    Annales de Gergonne (Annals of Gergonne), was a mathematical journal published in Nimes, France from 1810 to 1831 by Joseph Diez Gergonne. The annals...
    4 KB (356 words) - 13:12, 30 November 2023
  • Thumbnail for Steiner tree problem
    problem is named after Steiner, it has first been posed in 1811 by Joseph Diez Gergonne in the following form: "A number of cities are located at known locations...
    35 KB (4,365 words) - 06:10, 23 March 2024
  • Thumbnail for Malfatti circles
    347–348, 1811, is an unsigned letter (likely from journal editor Joseph Diez Gergonne) giving this formula as equivalent to the results in Malfatti (1803)...
    44 KB (4,156 words) - 02:39, 1 January 2024
  • projective geometry, including the real projective plane. c.1825 Joseph Diez Gergonne, Jean-Victor Poncelet Geometric properties of the complex projective...
    43 KB (1,178 words) - 12:09, 12 December 2023
  • Thumbnail for Lexell's theorem
     239 Todhunter & Leathem 1901, § 195, p. 154 Sorlin, A. N. J.; Gergonne, Joseph Diez (1825), "Trigonométrie. Recherches de trigonométrie sphérique" [Trigonometry...
    70 KB (9,226 words) - 01:24, 10 June 2024
  • 1839 – Denis Davydov, Russian general and poet (b. 1784) 1859 – Joseph Diaz Gergonne, French mathematician and philosopher (b. 1771) 1880 – Edward Clark...
    48 KB (4,691 words) - 03:30, 11 May 2024