Results 81 to 90 of about 2,731 (132)
Invariant Submanifolds of a Lorentzian β-Kenmotsu Manifold
AmesiaIn this paper we have investigated invariant submanifolds of Lorentzian β-Kenmotsu manifolds and obtained the necessary and sufficient conditions for total geodesic submanifolds of Lorentzian β-Kenmotsu manifolds.
Tuğba Mert, Mehmet Atçeken
doaj +1 more source
Harmonic (p, q)‐Curves in Trans‐Sasakian and Normal Almost Paracontact Metric Manifolds
Journal of Mathematics, Volume 2025, Issue 1, 2025.In this paper, we give some characterizations about biharmonic, f‐harmonic, and f‐biharmonic (p, q)‐curves in 3‐dimensional trans‐Sasakian and normal almost paracontact metric manifolds. The (p, q)‐curves are considered as generalizations of magnetic curves.
Murat Altunbaş, B. B. Upadhyay
wiley +1 more source
On (N(k),ξ)-semi-Riemannian 3-manifolds. [PDF]
, 2014 The object of the present paper is to study 3-dimensional (N(k), ξ)-semiRiemannian manifolds. We study (N(k), ξ)-semi-Riemannian 3-manifolds which are Ricci-semi-symmetric, locally ϕ-symmetric and have η-parallel Ricci ...
Nagaraja, H.G. +2 more
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Thoracic Cancer, Volume 15, Issue 21, Page 1665-1672, July 2024.We retrospectively evaluated the performance of frozen cell pellets from cytology specimens (FCPs) in the Amoy 9‐in‐1 assay. The success rates of DNA and RNA analyses were both 100% in Amoy 9‐in‐1 assay, compared with 86% and 45%, using NGS assay. Although the coverage of Amoy 9‐in‐1 is limited compared to NGS assays, the Amoy using FCPs can be a ...
Hiroaki Kodama +14 more
wiley +1 more source
The Z‐Tensor on Almost Co‐Kählerian Manifolds Admitting Riemann Soliton Structure
Advances 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
M - projective curvature tensor equipped with an ϵ-kenmotsu manifold [PDF]
In this paper, we studied the properties of ϵ-Kenmotsu manifolds that posses an M -projective curvature tensor. We have shown that ϵ-Kenmotsu manifolds with an M -projectively flat and irrotational M -projective curvature tensor are locally isometric to ...
Mantasha, N.V.C.Shukla
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A General Type of Almost Contact Manifolds [PDF]
Among almost contact manifolds Sasakian manifolds, Kenmotsu manifolds (called also “a certain class of almost contact manifolds”) and cosymplectic manifolds have been studied by many authors.
Catalin Angelo Ioan
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Invariant, anti-invariant and slant submanifolds of a metallic Riemannian manifold
, 2018 Properties of invariant, anti-invariant and slant isometrically immersed submanifolds of metallic Riemannian manifolds are given with a special view towards the induced $\Sigma$-structure.
Blaga, Adara M., Hretcanu, Cristina E.
core
$\eta$-Ricci solitons in $(\varepsilon)$-almost paracontact metric manifolds
, 2017 The object of this paper is to study $\eta$-Ricci solitons on $(\varepsilon)$-almost paracontact metric manifolds. We investigate $\eta$-Ricci solitons in the case when its potential vector field is exactly the characteristic vector field $\xi$ of the $(\
Acet, Bilal Eftal +3 more
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Some results on invarinat submanifolds of Lorentzian para-Kenmotsu manifolds
, 2022 Summary: The purpose of this paper is to study invariant submanifolds of a Lorentzian para Kenmotsu manifold. We obtain the necessary and sufficient conditions for an invariant submanifold of a Lorentzian para Kenmotsu manifold to be totally geodesic. Finally, a non-trivial example is built in order to verify our main results.
openaire +1 more source