• Thumbnail for Morin surface
    The Morin surface is the half-way model of the sphere eversion discovered by Bernard Morin. It features fourfold rotational symmetry. If the original sphere...
    6 KB (781 words) - 02:46, 4 February 2022
  • Thumbnail for Sphere eversion
    efforts of several mathematicians, including Arnold S. Shapiro and Bernard Morin, who was blind. On the other hand, it is much easier to prove that such...
    12 KB (1,126 words) - 22:16, 30 June 2024
  • Whitney umbrella Boy's surface Cantor tree surface Homoeoid Jacob's ladder surface Loch Ness monster surface Morin surface Seashell surface Superegg Supertoroid...
    2 KB (169 words) - 08:26, 29 April 2024
  • Thumbnail for Bernard Morin
    another parametrization of Boy's surface, which conforms to the general method for parametrizing non-orientable surfaces. Morin worked at the Institute for...
    5 KB (356 words) - 08:24, 4 September 2024
  • Thumbnail for Immersion (mathematics)
    of the sphere; both it and Boy's surface arise as midway models in sphere eversion. Boy's surface The Morin surface Immersed plane curves have a well-defined...
    23 KB (2,869 words) - 09:43, 3 September 2024
  • Thumbnail for Manifold
    Manifold (section Surfaces)
    self-crossing curves such as a figure 8. Two-dimensional manifolds are also called surfaces. Examples include the plane, the sphere, and the torus, and also the Klein...
    68 KB (9,511 words) - 00:11, 24 September 2024
  • Thumbnail for Maps of manifolds
    ramified covering spaces are used to model Riemann surfaces, and to analyze maps between surfaces, such as by the Riemann–Hurwitz formula. In Riemannian...
    5 KB (558 words) - 17:49, 29 January 2024
  • Thumbnail for Boy's surface
    plane could not be immersed in 3-space. Boy's surface was first parametrized explicitly by Bernard Morin in 1978. Another parametrization was discovered...
    11 KB (1,382 words) - 14:44, 18 August 2024
  • Phillips in the early 1960s, using Boy's surface as a half-way model. Later Morin discovered the Morin surface and used it to construct other sphere eversions...
    4 KB (521 words) - 20:34, 27 December 2022
  • Thumbnail for Mathematical visualization
    equations (particularly numerical solutions, as in fluid dynamics or minimal surfaces such as soap films), conformal maps, fractals, and chaos. Geometry can...
    9 KB (757 words) - 16:28, 21 July 2024
  • Smale's classification of immersions of spheres shows that sphere eversions exist, which can be realized via this Morin surface....
    6 KB (862 words) - 03:51, 27 March 2024
  • Thumbnail for Octahemioctahedron
    it has octahedral symmetry (Oh). In this respect it is akin to the Morin surface, which has fourfold symmetry if orientation is ignored and twofold symmetry...
    5 KB (381 words) - 02:32, 19 June 2022
  • Thumbnail for Brie (region)
    subsoil is limestone. The Marne and its tributaries the Grand Morin and the Petit Morin are the chief rivers, but the region is not abundantly watered...
    3 KB (350 words) - 07:27, 21 August 2024
  • Thumbnail for Magnetic flux
    the magnetic flux through a surface is the surface integral of the normal component of the magnetic field B over that surface. It is usually denoted Φ or...
    10 KB (1,122 words) - 06:58, 22 August 2024
  • Roman surface and Boy's surface, two different immersions of the projective plane, and deformations between them; sphere eversion and the Morin surface; group...
    5 KB (523 words) - 04:17, 24 May 2024
  • shell Spherical wedge Ellipsoid Spheroid Solid bounded by Morin surface Any Genus 0 surface Reuleaux tetrahedron Spherical lens Weisstein, Eric W. "Sphere-Sphere...
    1,001 bytes (45 words) - 20:14, 9 February 2024
  • Thumbnail for Friction
    Friction (redirect from Surface friction)
    frictional force on each surface is exerted in the direction opposite to its motion relative to the other surface. Arthur Morin introduced the term and...
    74 KB (8,875 words) - 08:33, 28 August 2024
  • Thumbnail for Electric flux
    Electromagnetic field Purcell, pp. 22–26 Purcell, pp. 5–6. Purcell, Edward, Morin, David; Electricity and Magnetism, 3rd Edition; Cambridge University Press...
    5 KB (636 words) - 20:54, 19 September 2024
  • Archived from the original on July 29, 2024. Retrieved September 4, 2024. Morin, Rebecca; Cruz, Melissa (August 26, 2024). "Why HHS secretary thinks Latino...
    846 KB (62,398 words) - 20:37, 29 September 2024
  • Thumbnail for Morin M85
    The Etudes Andre Morin M85, or variously M 85 and M-85, is a French amateur-built aircraft that was designed by André Morin of Colombes. The aircraft is...
    4 KB (375 words) - 20:54, 9 December 2022
  • D ó; Vidotto, A A; Petit, P; Folsom, C P; Jeffers, S V; Marsden, S C; Morin, J; do Nascimento, J-D (22 November 2018). "The Solar Wind in Time II: 3D...
    14 KB (1,483 words) - 20:13, 8 September 2024
  • economic activity in this valley; recreational tourism, second. The surface of the Morin River is usually frozen from the beginning of December to the end...
    10 KB (1,374 words) - 15:07, 26 July 2024
  • Thumbnail for Electric field
    Wesley Longman. pp. 1–3, 1–4. ISBN 978-0-201-02115-8. Purcell, Edward M.; Morin, David J. (2013). Electricity and Magnetism (3rd ed.). New York: Cambridge...
    43 KB (5,495 words) - 11:59, 24 September 2024
  • Mike Morin (born July 20, 1971) is a Canadian former professional ice hockey player. Morin currently resides in Manchester, UK and is the Assistant Coach...
    9 KB (788 words) - 19:14, 21 February 2024
  • Thumbnail for Werner Boy
    a parametric model for the surface. It was not until 1978 that Bernard Morin found the first parametrisation, with the aid of computers.[citation needed]...
    3 KB (183 words) - 14:02, 20 August 2024
  • Thumbnail for Anal masturbation
    15 (4): 307–314. doi:10.1007/BF01550365. ISSN 0004-0002. PMID 3755586. Morin, Jack (1998). Anal Pleasure and Health (3rd ed.). Down There Press. p. 148...
    10 KB (1,248 words) - 01:58, 27 September 2024
  • Thumbnail for Hematite
    antiferromagnetic material below the Morin transition at 250 K (−23 °C), and a canted antiferromagnet or weakly ferromagnetic above the Morin transition and below its...
    23 KB (2,343 words) - 14:08, 16 September 2024
  • Thumbnail for The Hu
    2016. Incorporating traditional Mongolian instrumentation, including the morin khuur, the tovshuur, and throat singing, the band calls their style of music...
    30 KB (2,303 words) - 11:48, 29 September 2024
  • first season of Making the Band, but later managed by Mike Cronin and Mike Morin for their debut album and remaining television seasons. O-Town was assembled...
    12 KB (1,077 words) - 22:49, 29 August 2024
  • through a closed surface to the divergence of the field in the volume enclosed. More precisely, the divergence theorem states that the surface integral of...
    45 KB (7,529 words) - 14:07, 17 August 2024