Results 61 to 70 of about 431,181 (185)
Homogeneous para-Kähler Einstein manifolds [PDF]
Russian Mathematical Surveys, 2009 44 ...
D. V. Alekseevsky +2 more
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Sasaki–Einstein Manifolds and Volume Minimisation [PDF]
Communications in Mathematical Physics, 2008 We study a variational problem whose critical point determines the Reeb vector field for a Sasaki-Einstein manifold. This extends our previous work on Sasakian geometry by lifting the condition that the manifolds are toric. We show that the Einstein-Hilbert action, restricted to a space of Sasakian metrics on a link L in a Calabi-Yau cone X, is the ...
Martelli D., Sparks J., Yau S. -T.
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Charged and Electromagnetic Fields from Relativistic Quantum Geometry
Universe, 2016 In the recently introduced Relativistic Quantum Geometry (RQG) formalism, the possibility was explored that the variation of the tensor metric can be done in a Weylian integrable manifold using a geometric displacement, from a Riemannian to a Weylian ...
Marcos R. A. Arcodía, Mauricio Bellini
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Novi Sad Journal of Mathematics, 2015 Summary: The object of this paper is to define and study a new type of non-flat Riemannian manifolds called nearly Einstein manifolds. The notion of this nearly Einstein manifold has been established by an example and an existence theorem. Some geometric properties are obtained.
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QUASI-EINSTEIN CONTACT METRIC MANIFOLDS [PDF]
Glasgow Mathematical Journal, 2014 AbstractWe consider quasi-Einstein metrics in the framework of contact metric manifolds and prove some rigidity results. First, we show that any quasi-Einstein Sasakian metric is Einstein. Next, we prove that any complete K-contact manifold with quasi-Einstein metric is compact Einstein and Sasakian.
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On quasirecurrent manifolds [PDF]
Mathematica BohemicaWe introduce a type of Riemannian manifolds (namely, quasirecurrent manifold) and study its several geometric properties. Among others, we prove that the scalar curvature of such a manifold is constant, and that the manifold is Einstein under certain ...
Jaeman Kim
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On Submanifolds of $N(k)$-Quasi Einstein Manifolds with a Type of Semi-Symmetric Metric Connection
Universal Journal of Mathematics and Applications, 2020 In this study, we consider the $ N(k)- $quasi Einstein manifolds with respect to a type of semi-symmetric metric connection. We suppose that the generator of $ N(k)- $quasi-Einstein manifolds is parallel with respect to semi-symmetric metric connection
İnan Ünal
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ON GENERALIZED φ −RECURRENT KENMOTSU MANIFOLDS
Süleyman Demirel Üniversitesi Fen-Edebiyat Fakültesi Fen Dergisi, 2009 : The purpose of this paper is to study generalized φ − recurrent Kenmotsu manifolds. Key words: Kenmotsu manifold, generalized recurrent, φ − recurrent manifold, Einstein manifold.
Aslı BAŞARI
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Rigidity of Weak Einstein-Randers Spaces [PDF]
Sahand Communications in Mathematical AnalysisThe Randers metrics are popular metrics similar to the Riemannian metrics, frequently used in physical and geometric studies. The weak Einstein-Finsler metrics are a natural generalization of the Einstein-Finsler metrics.
Behnaz Lajmiri +2 more
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Einstein like -para Sasakian manifolds
Kuwait Journal of Science, 2013 Einstein like -para Sasakian manifolds are introduced. For an -para Sasakian manifold to be Einstein like, a necessary and sufficient condition in terms of its curvature tensor is obtained.
SADIK KELES +3 more
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