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| Volume 21 • Number 1 • 1998 |
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Spacelike Maximal Surfaces with Constant
Scalar Normal Curvature in a Normal Contact Lorentzian
Manifold
Ikawa Toshihiko
Abstract.
If the scalar normal curvature of a spacelike maximal
surface in a 5-dimensional normal contact Lorentzian manifold
with constant  -sectional curvature is constant, then
the surface is totally geodesic or nonpositively curved.
Full text: PDF
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