• Thumbnail for Girard Desargues
    projective geometry. Desargues' theorem, the Desargues graph, and the crater Desargues on the Moon are named in his honour. Born in Lyon, Desargues came from a...
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  • Thumbnail for Desargues's theorem
    In projective geometry, Desargues's theorem, named after Girard Desargues, states: Two triangles are in perspective axially if and only if they are in...
    16 KB (1,778 words) - 02:07, 29 March 2023
  • Girard may refer to: Girard, Alabama Girard, Georgia Girard, Illinois Girard, Kansas Girard, Michigan Girard, Minnesota Girard, Ohio Girard, Pennsylvania...
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  • Thumbnail for Desargues graph
    graph theory, the Desargues graph is a distance-transitive, cubic graph with 20 vertices and 30 edges. It is named after Girard Desargues, arises from several...
    10 KB (1,172 words) - 06:47, 10 February 2024
  • Thumbnail for Desargues configuration
    named after Girard Desargues. The Desargues configuration can be constructed in two dimensions from the points and lines occurring in Desargues's theorem...
    12 KB (1,446 words) - 09:25, 18 August 2023
  • satisfy Desargues' theorem (named after Girard Desargues), or in other words a plane that is not a Desarguesian plane. The theorem of Desargues is true...
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  • Thumbnail for Mathematics and art
    drawing, and ultimately to the mathematics of projective geometry of Girard Desargues and Jean-Victor Poncelet. The Japanese paper-folding art of origami...
    115 KB (11,890 words) - 03:40, 20 May 2024
  • Thumbnail for List of geometers
    astronomical work) Edmund Gunter (1581–1686) Girard Desargues (1591–1661) – projective geometry; Desargues' theorem René Descartes (1596–1650) – invented...
    14 KB (1,107 words) - 15:34, 7 June 2024
  • Thumbnail for Projective plane
    as above. These planes are called Desarguesian planes, named after Girard Desargues. The real (or complex) projective plane and the projective plane of...
    51 KB (6,625 words) - 03:10, 5 February 2024
  • Thumbnail for Philippe de La Hire
    study painting. Upon his return to Paris, he became a disciple of Girard Desargues from whom he learned geometrical perspective and was received as a...
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  • 2019. Judith V. Field; Jeremy Gray (2012). The Geometrical Work of Girard Desargues. Springer Science & Business Media. p. 43. ISBN 978-1-4613-8692-6....
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  • point' or more literally the 'turning point' such as in a whirlpool. Girard Desargues defined the vertical to be perpendicular to the horizon in his 1636...
    17 KB (2,135 words) - 20:45, 8 December 2023
  • geometry include: Projective geometry, introduced in the 16th century by Girard Desargues, extends Euclidean geometry by adding points at infinity at which parallel...
    162 KB (15,940 words) - 21:58, 27 July 2024
  • Thumbnail for Euclidean geometry
    + 1 (a line), or x2 + y2 = 7 (a circle). Also in the 17th century, Girard Desargues, motivated by the theory of perspective, introduced the concept of...
    59 KB (7,080 words) - 17:24, 26 July 2024
  • Thumbnail for History of geometry
    synthesis in the research of the architect, geometer, and optician Girard Desargues on perspective, optics and projective geometry. The Vitruvian Man by...
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  • philosopher (physicist) Guillaume Delisle (1675–1726), cartographer Girard Desargues (1591–1661), mathematician René Descartes (1596–1650), scientist and...
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  • Thumbnail for Conic section
    the concept of limits. Kepler first used the term 'foci' in 1604. Girard Desargues and Blaise Pascal developed a theory of conics using an early form...
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  • Thumbnail for Involution (mathematics)
    Archive J. V. Field and J. J. Gray (1987) The Geometrical Work of Girard Desargues, (New York: Springer), p. 54 Ivor Thomas (editor) (1980) Selections...
    17 KB (2,206 words) - 08:54, 27 July 2024
  • Thumbnail for René Descartes
    everything he saw during the siege. He also met French mathematician Girard Desargues. In the autumn of that year, in the residence of the papal nuncio Guidi...
    141 KB (15,035 words) - 20:16, 26 July 2024
  • Thumbnail for History of physics
    of chance when he encountered the work of Fermat, Blaise Pascal and Girard Desargues. It was Blaise Pascal who encourages him to write Van Rekeningh in...
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  • Kepler (1571–1630) and Girard Desargues (1591–1661) independently developed the concept of the "point at infinity". Desargues developed an alternative...
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  • Thumbnail for M. C. Escher
    Leonardo da Vinci, Albrecht Dürer, Wenzel Jamnitzer, Abraham Bosse, Girard Desargues, and Père Nicon. Flocon was delighted by Escher's Grafiek en tekeningen...
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  • – Jacques Derrida (as in Derridean deconstruction) desarguesian – Girard Desargues (as in desarguesian plane) Dickensian – Charles Dickens Dickinsonian...
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  • Similarity Zonotope Projective geometry Arc (projective geometry) Desargues' theorem Girard Desargues Desarguesian plane Line at infinity Point at infinity Plane...
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  • Thumbnail for Architectural theory
    mathematical and optical research of the celebrated architect and geometer Girard Desargues, with an emphasis on his studies on conics, perspective and projective...
    29 KB (3,328 words) - 08:46, 30 June 2024
  • Thumbnail for 1591
    Antonio Sabino, Italian composer (d. 1650) February 21 (or March 2) – Girard Desargues, French mathematician (d. 1661) February 25 – Friedrich von Spee, German...
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  • Press/Harvard University Press. O'Connor, John J; Edmund F. Robertson "Gérard Desargues". MacTutor History of Mathematics archive. Rao, C. Radhakrishna (1992)...
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  • Thumbnail for Abraham Bosse
    engravings. In 1641, he began to attend classes given by the architect Girard Desargues (1591–1661) on perspective and other technical aspects of depiction...
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  • Rouen 15 March – Alexandre de Rhodes, Jesuit missionary (died 1660) Girard Desargues, mathematician (died 1661) Barnabé Brisson, jurist and politician (born...
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  • (died 1711) Daniel d'Auger de Subercase, naval officer (died 1732) Girard Desargues, mathematician (born 1591) René Menard, Jesuit missionary (born 1605)...
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