The Relations of Surfaces to their Normals

By William R. Hamilton

Hamilton published a short article entitled

On a New Method of investigating the relations of Surfaces to their Normals, with results respecting the Curvatures of Ellipsoids.
which appeared in the Dublin University Review, volume 1 (1833), pp. 583-584.

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Hamilton outlines a method for applying the method of the characteristic function which formed the basis of his optical researches in order to prove results concerning the differential geometry of surfaces.


D.R. Wilkins
School of Mathematics
Trinity College, Dublin