• Thumbnail for Louis Poinsot
    Louis Poinsot (3 January 1777 – 5 December 1859) was a French mathematician and physicist. Poinsot was the inventor of geometrical mechanics, showing how...
    9 KB (1,141 words) - 08:48, 2 November 2023
  • 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 (2,272 words) - 23:39, 22 March 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 (82 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 (2,026 words) - 02:12, 18 October 2023
  • 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 (2,458 words) - 17:04, 5 December 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) - 08:56, 19 January 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 (5,372 words) - 21:56, 9 March 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 (3,112 words) - 18:06, 23 January 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 (376 words) - 06:19, 14 February 2024
  • Thumbnail for Poinsot (crater)
    Poinsot is a worn lunar impact crater that is located at the northern part of the Moon on the far side. It lies to the south of the walled plain Rozhdestvenskiy...
    5 KB (379 words) - 02:18, 26 January 2024
  • Thumbnail for List of the 72 names on the Eiffel Tower
    VICAT Louis Vicat engineer SE06 EBELMEN Jacques-Joseph Ebelmen chemist SE07 COULOMB Charles-Augustin de Coulomb physicist SE08 POINSOT Louis Poinsot mathematician...
    17 KB (616 words) - 03:06, 26 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
  • Thumbnail for List of geometers
    Theorema Egregium Louis Poinsot (1777–1859) Siméon Denis Poisson (1781–1840) Jean-Victor Poncelet (1788–1867) – projective geometry Augustin-Louis Cauchy (1789–1857)...
    14 KB (1,107 words) - 23:56, 10 January 2024
  • Thumbnail for Angular momentum
    that a fixed plane was associated with rotation—his invariable plane. Louis Poinsot in 1803 began representing rotations as a line segment perpendicular...
    93 KB (12,600 words) - 22:43, 19 March 2024
  • Thumbnail for Egyptian Revival architecture
    unknown architect, 19th century Mixed with Neoclassicism - Grave of Louis Poinsot in Père-Lachaise Cemetery in Paris, by David d'Angers, mid-19th century...
    33 KB (3,863 words) - 07:54, 17 February 2024
  • Thumbnail for Polyhedron
    Louis Poinsot extended Kepler's work, and discovered the remaining two regular star polyhedra. Soon after, Augustin-Louis Cauchy proved Poinsot's list...
    86 KB (9,734 words) - 18:21, 23 March 2024
  • Thumbnail for Harmonices Mundi
    Polyhedra and, together with two regular polyhedra discovered by Louis Poinsot, as the Kepler–Poinsot polyhedra. He describes polyhedra in terms of their faces...
    16 KB (1,944 words) - 01:40, 14 February 2024
  • be about 9–10 months.[citation needed] During the mid 19th century, Louis Poinsot developed a geometric interpretation of the physics of rotating bodies...
    6 KB (883 words) - 08:16, 26 October 2021
  • which he introduces descriptive geometry. 1806 – Louis Poinsot discovers the two remaining Kepler-Poinsot polyhedra. 1829 – Bolyai, Gauss, and Lobachevsky...
    12 KB (1,403 words) - 03:21, 10 March 2024
  • a curve to a given set of observations. 1806 – Louis Poinsot discovers the two remaining Kepler-Poinsot polyhedra. 1806 – Jean-Robert Argand publishes...
    63 KB (7,706 words) - 04:40, 26 March 2024
  • (1774–1862) Étienne-Louis Malus (1775–1812) André-Marie Ampère (1775–1836) Sophie Germain (1776–1831) Carl Friedrich Gauss^ (1777–1855) Louis Poinsot (1777–1859)...
    71 KB (7,855 words) - 08:15, 22 March 2024
  • Thumbnail for Lycée Condorcet
    France André Tardieu Founder of Citroën, André Citroën Founder of Renault, Louis Renault Founder of Dassault Aviation, Marcel Dassault Novelist and Critic...
    13 KB (830 words) - 13:10, 12 January 2024
  • Thumbnail for Uniform polyhedron
    two of the regular Kepler–Poinsot polyhedra, the small stellated dodecahedron and great stellated dodecahedron. Louis Poinsot (1809) discovered the other...
    66 KB (2,540 words) - 22:41, 20 March 2024
  • Thumbnail for Regular polytope
    stellated dodecahedron in 1619 that he realised these two were regular. Louis Poinsot discovered the great dodecahedron and great icosahedron in 1809, and...
    41 KB (5,251 words) - 03:57, 8 February 2024
  • Thumbnail for 1809
    and coming to represent British Regency humour. Louis Poinsot describes the two remaining Kepler–Poinsot polyhedra. Jean-Baptiste Lamarck publishes Philosophie...
    28 KB (3,083 words) - 20:33, 30 January 2024
  • Thumbnail for Final stellation of the icosahedron
    polyhedra. However, Louis Poinsot in 1809 rediscovered two more, the great icosahedron and great dodecahedron. This was proved by Augustin-Louis Cauchy in 1812...
    12 KB (1,069 words) - 18:14, 24 February 2024
  • la Flûte Traversière January 1 – Micah Hawkins, composer January 3 – Louis Poinsot, instrument maker January 8 – Filippo Traetta, musicologist January...
    4 KB (422 words) - 20:57, 31 May 2020
  • Poincaré–Bendixson theorem – Henri Poincaré and Ivar Otto Bendixson Poinsot's spirals – Louis Poinsot Polchinski's paradox – Joseph Polchinski Potts model (a.k...
    72 KB (6,812 words) - 12:35, 9 March 2024
  • Poincaré (1854–1912) WGPSN Poinsot 78°54′N 146°13′W / 78.9°N 146.21°W / 78.9; -146.21 (Poinsot) 65.11 1970 Louis Poinsot (1777–1859) WGPSN Poisson...
    28 KB (78 words) - 17:25, 3 December 2023
  • Louis Trolle Hjelmslev (Danish: [ˈjelˀmsle̝w]; 3 October 1899 – 30 May 1965) was a Danish linguist whose ideas formed the basis of the Copenhagen School...
    16 KB (1,756 words) - 20:22, 29 December 2023