• Thumbnail for Louis Poinsot
    Louis Poinsot (French pronunciation: [lwi pwɛ̃so]; 3 January 1777 – 5 December 1859) was a French mathematician and physicist. Poinsot was the inventor...
    9 KB (1,145 words) - 03:29, 18 April 2024
  • Thumbnail for Kepler–Poinsot polyhedron
    In geometry, a Kepler–Poinsot polyhedron is any of four regular star polyhedra. They may be obtained by stellating the regular convex dodecahedron and...
    31 KB (2,297 words) - 00:16, 11 April 2024
  • Thumbnail for Tennis racket theorem
    effect had been known for at least 150 years, having been described by Louis Poinsot in 1834. The theorem describes the following effect: rotation of an...
    16 KB (2,631 words) - 16:34, 26 April 2024
  • the hyperbolic secant. They are named after the French mathematician Louis Poinsot. Mathematics portal Cotes's spiral – Plane curve Lawrence, J. Dennis...
    1 KB (84 words) - 21:02, 1 April 2023
  • In classical mechanics, Poinsot's construction (after Louis Poinsot) is a geometrical method for visualizing the torque-free motion of a rotating rigid...
    13 KB (2,090 words) - 02:12, 18 October 2023
  • this, he summarized and extended the work of his predecessors 1803 - Louis Poinsot develops idea of angular momentum conservation (this result was previously...
    16 KB (1,933 words) - 16:00, 22 April 2024
  • Thumbnail for Augustin-Louis Cauchy
    Cauchy created many enemies in scientific circles. In November 1815, Louis Poinsot, who was an associate professor at the École Polytechnique, asked to...
    42 KB (5,414 words) - 16:50, 24 April 2024
  • polyhedra (the Platonic solids), and four regular star polyhedra (the Kepler–Poinsot polyhedra), making nine regular polyhedra in all. In addition, there are...
    32 KB (3,118 words) - 14:26, 10 April 2024
  • Thumbnail for Great dodecahedron
    Great dodecahedron (category Kepler–Poinsot polyhedra)
    vertex. The discovery of the great dodecahedron is sometimes credited to Louis Poinsot in 1810, though there is a drawing of something very similar to a great...
    5 KB (381 words) - 06:19, 14 February 2024
  • Thumbnail for Small stellated dodecahedron
    Small stellated dodecahedron (category Kepler–Poinsot polyhedra)
    In geometry, the small stellated dodecahedron is a Kepler-Poinsot polyhedron, named by Arthur Cayley, and with Schläfli symbol {5⁄2,5}. It is one of four...
    8 KB (735 words) - 07:32, 14 February 2024