Results 81 to 90 of about 272 (159)

The failure of the Ehlers-Kundt conjecture in the impulsive case. [PDF]

open access: yesGen Relativ Gravit
Frauenberger ML   +2 more
europepmc   +1 more source

A Study on Projective Curvature Tensor in Trans-Sasakian Manifolds

open access: yes
In this paper we show that trans-Sasakian manifolds satisfying the conditions R(X, Y ) · S = 0, P (ξ, X) · S = 0 are Einstein manifold.
Manjunath, S. N.   +2 more
openaire   +1 more source

Surgery and positive Bakry-Émery Ricci curvature. [PDF]

open access: yesCalc Var Partial Differ Equ
Reiser P, Tripaldi F.
europepmc   +1 more source

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