A sphere -positive curvature- [Une sphère -courbure positive- ]

A sphere -positive curvature- [Une sphère -courbure positive-].




See an helix on a sphere:

An helix on a sphere


See three related pictures regarding the extended arithmetic [l'arithmétique étendue]:

A sphere computed with the standard arithmetic (addition,multiplication) A sphere computed with the 'max-plus' arithmetic (maximum,addition) A sphere computed with the 'min-plus' arithmetic (minimum,addition)


See some artistic views:

Artistic view of a sphere Artistic view of a sphere  
Artistic view of a sphere (bird's-eye view) Artistic view of a sphere

This is not a cloud


[See the equations of the sphere]


(CMAP28 WWW site: this page was created on 03/06/2013 and last updated on 06/04/2026 23:38:11 -CEST-)



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