Results 81 to 90 of about 275 (150)

The Z‐Tensor on Almost Co‐Kählerian Manifolds Admitting Riemann Soliton Structure

open access: yesAdvances in Mathematical Physics, Volume 2024, Issue 1, 2024.
A Riemann soliton (RS) is a natural generalization of a Ricci soliton structure on pseudo‐Riemannian manifolds. This work aims at investigating almost co‐Kählerian manifolds (ACKM) 2n+1 whose metrics are Riemann solitons utilizing the properties of the Z‐tensor.
Sunil Kumar Yadav   +4 more
wiley   +1 more source

Legendrian warped product submanifolds in generalized Sasakian space forms [PDF]

open access: yes, 2009
Recently, K. Matsumoto and I. Mihai established a sharp inequality for warped products isometrically immersed in Sasakian space forms. As applications, they obtained obstructions to minimal isometric immersions of warped products into Sasakian space ...
Olteanu, Andreea
core  

Warped Product Pointwise Semi Slant Submanifolds of Sasakian Space Forms and their Applications

open access: yesAdvances in Mathematical Physics, 2020
In this study, we attain some existence characterizations for warped product pointwise semi slant submanifolds in the setting of Sasakian space forms. Moreover, we investigate the estimation for the squared norm of the second fundamental form and further
Nadia Alluhaibi, Meraj Ali Khan
doaj   +1 more source

On the projective curvature tensor of generalized Sasakian-space-forms [PDF]

open access: yes, 2010
The object of the present paper is to study the nature of generalized Sasakian-space-forms under some conditions regarding projective curvature tensor. All the results obtained in this paper are in the form of necessary and sufficient conditions.Keywords:
De, UC, Sarkar, Avijit
core  

Tanaka-Webster biharmonic hypersurfaces in the Sasakian space form

open access: yes, 2021
In this article we consider the concept of biharmonicity about the hypersurfaces in the Sasakian space form which is equipped with the Tanaka-Webster connection.
Mosadegh, Najma, Abedi, Esmaiel
openaire   +3 more sources

C-Totally real pseudo-parallel submanifolds of Sasakian space forms [PDF]

open access: yes, 2007
Let (M) over tilde (2n+1) (c) be (2n + 1)-dimensional Sasakian space form of constant phi-sectional curvature (c) and M-n be an n-dimensional C-totally real, minimal submanifold of (M) over tilde (2n+1) (c). We prove that if W is pseudo-parallel and Ln -
Yıldız, Ahmet
core   +1 more source

Generalized Sasakian space forms with semi-symmetric non-metric connections [PDF]

open access: yes, 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 warped products endowed with semi-
Cihanözgür, Sibel Sular
core  

Contact CR Submanifolds of maximal Contact CR dimension of Sasakian Space Form

open access: yesپژوهش‌های ریاضی, 2020
In this paper, we investigate contact CR submanifolds of contact CR dimension in Sasakian space form and introduce the general structure of these submanifolds and then studying structures of this submanifols with the condition  h(FX,Y)+h(X,FY)=g(FX,Y ...
Mohammad Ilmakchi, Esmaiel Abedi
doaj  

Integral surfaces of Sasakian space forms

open access: yesJournal of Geometry, 1992
Let \(M(k)\) be a 5-dimensional Sasakian space form with characteristic vector field \(\xi\), and \(M\) an integral surface of \(M(k)\). The mean curvature vector \(H\) of \(M\) is said to be \(C\)-parallel if \(\nabla H\) is parallel to \(\xi\). The authors determine integral surfaces of \(M(k)\) with \(C\)-parallel mean curvature vector.
Baikoussis, Christos, Blair, David E.
openaire   +2 more sources

Generalized Sasakian space forms on \(W_0\)-curvature tensor

open access: yes, 2023
Summary: In this article, generalized Sasakian space forms are investigated on \(W_0\)-curvature tensor. Characterizations of generalized Sasakian space forms are obtained on \(W_0\)-curvature tensor. Special curvature conditions established with the help of Riemann, Ricci, concircular, projective curvature tensors are discussed on \(W_0\)-curvature ...
Mert, Tuğba, Atçeken, Mehmet
openaire   +3 more sources

Home - About - Disclaimer - Privacy