University of Cagliari
none
Sur une caractérisation de la sphère S^{2n+1} en termes de géométrie riemannienne de contact
PIU, MARIA PAOLA
1989-01-01
Abstract
One proves that the unique hypersurfaces S⊂IR2 n such that a contact structure is isohelicoidal are the Euclidean spheres centered at the origin.
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