Dupin Submanifolds

  • Thomas E. Cecil
Part of the Universitext book series (UTX)


In this chapter, we concentrate on local results which have been obtained using Lie sphere geometry. The main results are the classification of proper Dupin submanifolds with two principal curvatures (cyclides of Dupin) in Section 4.3 and the classification of proper Dupin hypersurfaces with three principal curvatures in ℝ4 in Section 4.6. To obtain these classifications, we develop the method of moving Lie frames which can be used in the further study of Dupin submanifolds, or more generally, Legendre submanifolds.


Principal Curvature Isoparametric Hypersurface Distinct Principal Curvature Curvature Sphere Euclidean Projection 
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Copyright information

© Springer Science+Business Media New York 1992

Authors and Affiliations

  • Thomas E. Cecil
    • 1
  1. 1.Department of MathematicsCollege of the Holy CrossWorcesterUSA

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