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The Gauss map of a hypersurface in Euclidean sphere and the spherical Legendrian duality
Authors:Takayuki Nagai
Affiliation:Department of Mathematics, Faculty of Science, Hokkaido University, Sapporo 060-0810, Japan
Abstract:We investigate the Gauss map of a hypersurface in Euclidean n-sphere as an application of the theory of Legendrian singularities. We can interpret the image of the Gauss map as the wavefront set of a Legendrian immersion into a certain contact manifold. We interpret the geometric meaning of the singularities of the Gauss map from this point of view.
Keywords:53A35   57R45
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