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...

another parametrization of Boy's surface, which conforms to the general method for parametrizing non-orientable surfaces. Morin worked at the Institute for...

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...

Whitney umbrella Boy's surface Cantor tree surface Homoeoid Jacob's ladder surface Loch Ness monster surface Morin surface Seashell surface Superegg Supertoroid...

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...

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...

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...

ramified covering spaces are used to model Riemann surfaces, and to analyze maps between surfaces, such as by the Riemann–Hurwitz formula. In Riemannian...

be immersed in three-dimensional space. Boy's surface was first parametrized explicitly by Bernard Morin in 1978. Another parametrization was discovered...

Smale's classification of immersions of spheres shows that sphere eversions exist, which can be realized via this Morin surface....

shell Spherical wedge Ellipsoid Spheroid Solid bounded by Morin surface Any Genus 0 surface Reuleaux tetrahedron Spherical lens Weisstein, Eric W. "Sphere-Sphere...

equations (particularly numerical solutions, as in fluid dynamics or minimal surfaces such as soap films), conformal maps, fractals, and chaos. Geometry can...

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...

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...

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...

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...

Roman surface and Boy's surface, two different immersions of the projective plane, and deformations between them; sphere eversion and the Morin surface; group...

Electromagnetic field Purcell, pp. 22–26 Purcell, pp. 5–6. Purcell, Edward, Morin, David; Electricity and Magnetism, 3rd Edition; Cambridge University Press...

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]...

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...

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...

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...

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...

Post. Archived from the original on May 13, 2015. Retrieved May 9, 2014. Morin, Monte (May 8, 2014). "US$17.9-billion funding plan for NASA would boost...

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...

2016. Incorporating traditional Mongolian instrumentation, including the morin khuur, the tovshuur, and throat singing, the band calls their style of music...

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...

Morin Lake is a small lake north-west of Prince Albert in the Canadian province of Saskatchewan. It is a spring-fed, glacial lake situated in the Thickwood...

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...

award for best director, and at the 2022 Festival de films d’auteurs de Val-Morin. It went into commercial release in June 2022. André Lavoie of Le Devoir...