• Kentaro Yano
  • Masahiro Kon
Part of the Progress in Mathematics book series (PM, volume 30)


Let M be an n-dimensional manifold isometrically immersed in an m-dimensional Riemannian manifold \(\bar M\) . We put m = n+p, p > 0. We denote by \(\bar \nabla \) the operator of covariant differentiation in \(\bar M\) and by g the Riemannian metric tensor field in \(\bar M\) . Since the discussion is local, we may assume, if we want, that M is imbedded in \(\bar M\) . The submanifold M is also a Riemannian manifold with Riemannian metric h given by h(X,Y) = g(X,Y) for any vector fields X and Y on M. The Riemannian metric h on M is called the induced metric on M. Throughout this book, the induced metric h will be denoted by the same g as that of the ambient manifold \(\bar M\) to simplify the notation because it may cause no confusion. Let T(M) and T(M) denote the tangent and normal bundle of M respectively. The metric g and the connection \(\bar \nabla \) on \(\bar M\) lead to invariant inner products and the connections on T(M) and T(M) We will define a connection on M explicitely.


Vector Field Riemannian Manifold Sectional Curvature Fundamental Form Normal Bundle 
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Copyright information

© Birkhäuser Boston, Inc. 1983

Authors and Affiliations

  • Kentaro Yano
    • 1
  • Masahiro Kon
    • 2
  1. 1.Department of MathematicsTokyo Institute of TechnologyTokyo, 152Japan
  2. 2.Hirosaki UniversityHirosakiJapan

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