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Bernard Morin
French mathematician

Bernard Morin

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Quick Facts

Intro
French mathematician
Places
Work field
Gender
Male
Place of birth
Shanghai, People's Republic of China
Place of death
14th arrondissement of Paris, France
Age
87 years
Education
École normale supérieure
The details (from wikipedia)

Biography

Bernard Morin ([mɔʁɛ̃]; 3 March 1931 in Shanghai, China – 12 March 2018) was a French mathematician, specifically a topologist.

Early life and education

Morin lost his sight at the age of six due to glaucoma, but his blindness did not prevent him from having a successful career in mathematics. He received his Ph.D. in 1972 from the Centre National de la Recherche Scientifique.

Career

Morin was a member of the group that first exhibited an eversion of the sphere, i.e. a homotopy (topological metamorphosis) which starts with a sphere and ends with the same sphere but turned inside-out. He also discovered the Morin surface, which is a half-way model for the sphere eversion, and used it to prove a lower bound on the number of steps needed to turn a sphere inside out.

He discovered the first parametrization of Boy's surface (earlier used as a half-way model) in 1978.His graduate student François Apéry later discovered (in 1986) another parametrization of Boy's surface, which conforms to the general method for parametrizing non-orientable surfaces.

Morin worked at the Institute for Advanced Study in Princeton.Most of his career, though, he spent at the University of Strasbourg.

MorinSurfaceCrossView.PNG

References

  • George K. Francis & Bernard Morin (1980) "Arnold Shapiro’s Eversion of the Sphere", Mathematical Intelligencer 2(4):200–3.
The contents of this page are sourced from Wikipedia article. The contents are available under the CC BY-SA 4.0 license.
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