The Gauss map of a hypersurface in Euclidean sphere and the spherical Legendrian duality |
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| Authors: | Takayuki Nagai |
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| Institution: | Department of Mathematics, Faculty of Science, Hokkaido University, Sapporo 060-0810, Japan |
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| 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. |
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| Keywords: | 53A35 57R45 |
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