• Thumbnail for Raoul Bricard
    Raoul Bricard (23 March 1870 – 26 November 1943) was a French engineer and a mathematician. He is best known for his work in geometry, especially descriptive...
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  • Thumbnail for Bricard octahedron
    In geometry, a Bricard octahedron is a member of a family of flexible polyhedra constructed by Raoul Bricard in 1897. The overall shape of one of these...
    11 KB (1,236 words) - 17:15, 22 October 2024
  • Italian actor Raoul le Breton (c. 1270–1320), grammarian and philosopher Raoul Bricard (1870–1943), French engineer and mathematician Raoul I of Brienne...
    18 KB (2,358 words) - 15:20, 26 October 2024
  • Thumbnail for Flexible polyhedron
    first examples of flexible polyhedra, now called Bricard octahedra, were discovered by Raoul Bricard (1897). They are self-intersecting surfaces isometric...
    10 KB (907 words) - 12:32, 26 August 2021
  • Thumbnail for Structural rigidity
    polyhedra, non-convex polyhedra that are not rigid, were constructed by Raoul Bricard, Robert Connelly, and others. The bellows conjecture, now proven, states...
    9 KB (1,073 words) - 17:49, 17 May 2024
  • publication until 1927, with later editors including Charles-Ange Laisant and Raoul Bricard. Initially published by Carilian-Goeury, it was taken over after several...
    4 KB (297 words) - 12:37, 14 November 2023
  • problems, the answer to the third problem came very quickly. In fact, Raoul Bricard had already claimed it as a theorem in 1896, but with a proof that turned...
    40 KB (5,770 words) - 21:54, 21 August 2024
  • Thumbnail for List of geometers
    Egorov (1869–1931) – differential geometry Veniamin Kagan (1869–1953) Raoul Bricard (1870–1944) – descriptive geometry Ernst Steinitz (1871–1928) – Steinitz's...
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  • brainstorming names for the fragrance with his muse Mitzah Bricard; "Ah, here's Miss Dior!", Bricard said, and Christian allegedly replied, "Miss Dior: now...
    14 KB (1,437 words) - 02:30, 24 September 2024
  • Thumbnail for 1897 in science
    of exponentials in Lie algebras. Raoul Bricard investigates and classifies flexible polyhedra, defining the Bricard octahedron. Henri Brocard begins publication...
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  • Thumbnail for Société mathématique de France
    1906: Jacques Hadamard 1907: Emile Blutel 1908: Raoul Perrin 1909: Charles Bioche 1910: Raoul Bricard 1911: Lucien Lévy 1912: Marie Henri Andoyer 1913:...
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  • In particular, the Bricard octahedra are self-intersecting flexible surfaces discovered by a French mathematician Raoul Bricard in 1897. The Connelly...
    6 KB (768 words) - 08:09, 9 May 2024
  • (1930) Arnaud Denjoy, "for the whole of his mathematical works." (1932) Raoul Bricard, "for his work in geometry." (1934) René Maurice Fréchet, "for the whole...
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  • Thumbnail for Jacques Charles François Sturm
    Gerono, Camille Christophe; Terquem, Olry; Laisant, Charles-Ange; Bricard, Raoul; Boulanger, Auguste (1856), "Notice sur la vie et les travaux de M....
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  • Laurie Main, Arthur Gould-Porter, Ingo Mogendorf, Yves Barsacq, Patrick Bricard, Albert Carrier, Jean Del Val, George DeNormand, Bernard La Jarrige, James...
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  • Thumbnail for Henri Bergson
    Gerono, Camille Christopher; Terquem, Oiry; Laisant, Charles-Ange; Bricard, Raoul; Boulanger, Auguste (1878). "Nouvelles Annales de Mathématiques". 2...
    84 KB (10,162 words) - 22:31, 28 September 2024
  • Thumbnail for Geometric rigidity
    names: authors list (link) CS1 maint: numeric names: authors list (link) Bricard, Raoul (1897). "Mémoire sur la théorie de l'octaèdre articulé". Journal de...
    35 KB (5,449 words) - 13:05, 5 September 2023
  • Thumbnail for Piano music of Gabriel Fauré
    and eloquent of all Fauré's piano works." The pianist and writer Nancy Bricard calls it "one of the most passionate and moving works in piano literature...
    62 KB (8,210 words) - 07:15, 23 August 2024