: Mathématiques: Clélie

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Clélie

In mathematics, a Clélie or Clelia curve is a curve on a sphere with the property:
- If the surface of a sphere is described as usual by the longitude (angle ${\\displaystyle \\varphi }$ ) and the colatitude (angle ${\\displaystyle \ heta }$ ) then
${\\displaystyle \\varphi =c\\;\ heta ,\\quad c>0}$ .

(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Cl%C3%A9lie)

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