Mathematics – Differential Geometry
Scientific paper
2002-05-07
Mathematics
Differential Geometry
Scientific paper
We show that any $k$ Osserman Lorentzian algebraic curvature tensor has
constant sectional curvature and give an elementary proof that any local 2
point homogeneous Lorentzian manifold has constant sectional curvature. We also
show that a Szab\'o Lorentzian covariant derivative algebraic curvature tensor
vanishes.
Gilkey Peter
Stavrov Iva
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