Yazar "Sular, Sibel" için listeleme
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Characterizations of generalized quasi-einstein manifolds
Sular, Sibel; Özgür, Cihan (Ovidius Univ Press, 2012)We give characterizations of generalized quasi-Einstein manifolds for both even and odd dimensions. -
Chen inequalities for submanifolds of generalized space forms with a semi-symmetric metric connection
Sular, Sibel (2016)We investigate sharp inequalities for submanifolds in both generalizedcomplex space forms and generalized Sasakian space forms with a semisymmetric metric connection -
Contact CR-warped product submanifolds in generalized Sasakian space forms
Sular, Sibel; Özgür, Cihan (2012)We consider a contact CR-warped product submanifold M = $M_Tx _f M_{\bot}$ of a trans-Sasakian generalized Sasakian space form $\widetilde{M}(f_{1,} f_{2,}f_3)$. We show that M is a contact CR-product under certain conditions. -
Contact cr-warped product submanifolds in generalized sasakian space forms
Sular, Sibel; Özgür, Cihan (Scientific Technical Research Council Turkey-Tubitak, 2012)We consider a contact CR-warped product submanifold M = M-inverted perpendicular x (f) M-perpendicular to of a trans-Sasakian generalized Sasakian space form (M) over tilde (f(1); f(2), f(3)). We show that M is a contact ... -
Doubly warped product submanifolds of (kappa, mu)-contact metric manifolds
Sular, Sibel; Özgür, Cihan (Polish Acad Sciences Inst Mathematics, 2011)We establish sharp inequalities for C-totally real doubly warped product submanifolds in (kappa, mu)-contact space forms and in non-Sasakian (kappa, mu)-contact metric manifolds. -
Doubly warped product submanifolds of a riemannian manifold of quasi-constant curvature
Sular, Sibel (Universitatii Al.I.Cuza din Iasi, 2015)We establish a sharp inequality for a doubly warped product submanifold in a Riemannian manifold of quasi-constant curvature. -
Generalized sasakian space forms with semi-symmetric metric connections
Sular, Sibel; Özgür, Cihan (Unıv Al I Cuza, Fac Math, 2014)The aim of the present paper is to introduce generalized Sasakian space forms endowed with semi-symmetric metric connections. We obtain the existence theorem of a generalized Sasakian space form with semi-symmetric metric ... -
Generalized Sasakian space forms with semi-symmetric non-metric connections
Sular, Sibel; Özgür, Cihan (Estonian Academy Publishers, 2011)We introduce generalized Sasakian space forms with semi-symmetric non-metric connections. We show the existence of a generalized Sasakian space form with a semi-symmetric non-metric connection and give some examples by ... -
Kenmotsu manifoldlar ve bunların bazı altmanifodları
Sular, Sibel (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2009)Bu çalışmada Kenmotsu manifoldları, Kenmotsu manifoldlarının bazı altmanifoldları, Kenmotsu uzay formun yarı-umbilik hiperyüzeyleri, invaryant ve anti-invaryant altmanifoldları ele alınmıştır. Ayrıca, katlı çarpım yardımıyla ... -
New examples of generalized sasakian-space-forms
Carriazo, Alfonso; Alegre, Pablo; Özgür, Cihan; Sular, Sibel (Rendiconti del Seminario Matematico, 2015)In this paper we study when a non-anti-invariant slant submanifold of a generalized Sasakian-space-form inherits such a structure, on the assumption that it is totally geodesic, totally umbilical, totally contact geodesic ... -
On N(k)-quasi Einstein manifolds satisfying certain conditions
Özgür, Cihan; Sular, Sibel (Balkan Soc Geometers, 2008)This paper deals with N(k)-quasi Einstein manifolds satisfying the conditions R(xi ,X)center dot C = 0 and R(xi,X)center dot(C) over tilde = 0, where C and (C) over tilde denote the Weyl conformal curvature tensor and the ... -
On quasi-einstein warped products
Sular, Sibel; Özgür, Cihan (Univ Al İ Cuza, 2012)We study quasi-Einstein warped product manifolds for arbitrary dimension n >= 3. -
On some submanifolds of Kenmotsu manifolds
Sular, Sibel; Özgür, Cihan (Pergamon-Elsevier Science Ltd, 2009)In this paper, we study submanifolds of Kenmotsu manifolds. We prove that if the second fundamental form of a submanifold of a Kenmotsu manifold is recurrent, 2-recurrent or generalized 2-recurrent then the submanifold is ... -
Pseudoparallel anti-invariant submanifolds of kenmotsu manifolds
Sular, Sibel; Özgür, Cihan; Murathan, Cengizhan (Hacettepe Unıv, 2010)We consider an anti-invariant, minimal, pseudoparallel and Ricci-generalized pseudoparallel submanifold M of a Kenmotsu space form (M) over tilde (c), for which xi is tangent to M. -
Quarter-symmetric metric connection in a Kenmotsu manifold
Sular, Sibel; Özgür, Cihan; De, Uday Chand (2008)We consider a quarter-symmetric metric connection in a Kenmotsu manifold. We investigate the curvature tensor and the Ricci tensor of a Ken- motsu manifold with respect to the quarter-symmetric metric connection. We show ... -
Warped products with a semi-symmetric metric connection
Sular, Sibel; Özgür, Cihan (Mathematical Soc Rep China, 2011)We find relations between the Levi-Civita connection and a semi-symmetric metric connection of the warped product M = M(1) x(f) M(2). We obtain some results of Einstein warped product manifolds with a semi-symmetric metric ... -
Warped products with a semi-symmetric non-metric connection
Sular, Sibel; Özgür, Cihan (Springer Heidelberg, 2011)The aim of this paper is to study warped product manifolds endowed with a semi-symmetric non-metric connection. We find relations between the Levi-Civita connection and the semi-symmetric non-metric connection of the warped ...
