HCRP project 2009
Caustic on ellipsoid
Caustic of ellipsoid
Office: SciCtr 434

Geodesics on an ellipsoid close to the sphere. The still open Last geometric of Jacobi predicts the caustic to have exactly 4 cusps if the original point is not an umbillical point.

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Questions and comments to knill@math.harvard.edu
Oliver Knill | Department of Mathematics | Harvard University