Results 71 to 80 of about 13,990,992 (117)

A class of Lorentzian α-Sasakian manifolds

open access: yes, 2009
In this study we consider φ-conformally flat, φ-conharmonically flat, φ-projectively flat and φ-concircularly flat Lorentzian α-Sasakian manifolds.
Murathan, Cengizhan, Turan M., Yildiz A.
core   +1 more source

ON QUASI BI-SLANT RIEMANNIAN MAPS FROM LORENTZIAN PARA SASAKIAN MANIFOLDS

open access: yesJournal of the Indonesian Mathematical Society
We first introduce quasi bi-slant Riemannian maps and study such Riemannian maps from Lorentzian para Sasakian manifolds into Riemannian manifolds. We give necessary and sufficient conditions for the integrability of the distributions which are involved in the definition of the quasi bi-slant Riemannian map and investigate their leaves.
Prasad, Rajendra   +2 more
openaire   +2 more sources

On M-Projective Curvature Tensor of Lorentzian <i>α</i>-Sasakian Manifolds

open access: yes, 2017
In this paper, we study the nature of Lorentzianα-Sasakian manifolds admitting M-projective curvature tensor. We show that M-projectively flat and irrotational M-projective curvature tensor of Lorentzian α-Sasakian manifolds are locally isometric to unit
D.G. Prakasha, Vasant Chavan
core   +1 more source

Cr-submanifolds of a lorentzian para-sasakian manifold with a semi-symmetric metric connection

open access: yes, 2010
We study CR-submanifolds of a Lorentzian para-Sasakian manifold endowed with a semi-symmetric metric connection. Moreover, we obtain integrability conditions of the distributions on CR-submanifolds.
Özgür, Cihan   +2 more
openaire   +3 more sources

Generalized CR-submanifolds of manifolds with a Lorentzian para Sasakian 3-structure

open access: yesInternational Journal of Mathematical Analysis, 2022
Gajendra Singh, Vikash Kumar Sharma
openaire   +1 more source

ON A SEMI-SYMMETRIC NON-METRIC CONNECTION IN AN LP-SASAKIAN MANIFOLD

open access: yes, 2010
In this paper we study some properties of curvature tensor, projective curvature tensor, nu-Weyl projective tensor, concircular curvature tensor, conformal curvature tensor, quasi-conformal curvature tensor with respect to semi-symmetric non-metric ...
Keles, Sadik   +2 more
core  

(Almost) Ricci Solitons in Lorentzian–Sasakian Hom-Lie Groups

open access: yes
We study Lorentzian contact and Lorentzian–Sasakian structures in Hom-Lie algebras. We find that the three-dimensional sl(2,R) and Heisenberg Lie algebras provide examples of such structures, respectively.
Ion Mihai   +3 more
core   +1 more source

Some Curvature Conditions on a Para-Sasakian Manifold with Canonical Paracontact Connection

open access: yes, 2020
We study canonical paracontact connection on a para-Sasakian manifold. We prove that a Ricci-flat para-Sasakian manifold with respect to canonical paracontact connection is an η-Einstein manifold.
Selcen Yüksel Perktaş   +2 more
core  

On the geometry of Lorentzian Sasakian manifolds

open access: yes
Bu tezde Lorentzian Sasakian manifoldlarını, bu manifoldların eğrilik tensörlerini ve pseudoparalel altmanifoldlarını araştırdık. Bu tez beş bölümden oluşmaktadır.
Altay, Beyda Nur
core   +1 more source

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