Results 81 to 90 of about 342 (113)

η-Ricci Soliton on 3-Dimensional f-Kenmotsu Manifolds [PDF]

open access: yes, 2018
The object of the present paper is to carry out η-Ricci soliton on 3-dimensional regularf-Kenmotsu manifold and we turn up some geometrical results.
Chaubey, S. K., Hui, S. K., Yadav, S. K.
core   +1 more source

On the geometry of holomorphic torse-forming vector fields on almost contact metric manifolds

open access: closedИтоги науки и техники Серия «Современная математика и ее приложения Тематические обзоры», 2023
Aligadzhi Rustanov   +2 more
openalex   +2 more sources

Certain results on \(N(k)\)-contact metric manifolds and torse-forming vector fields

2021
A contact metric manifold \(M\) is called \(N(k)\)-contact metric manifold if \(M\) is endowed with a \(k\)-nullity distribution. The author studies the properties of these manifolds endowed with a torse-forming vector field and admitting a Ricci soliton. Let us mention some of these results.
openaire   +2 more sources

On some second order properties of torse forming vector fields

2001
Summary: If \(dp\) denotes the soldering form of a differentiable \(C^\infty\) manifold (i.e. the canonical vector valued 1-form) and \(\nabla\) the covariant differential operators, then a TF may be defined as \[ \nabla{\mathcal T}=sdp+\omega{\mathcal T},\quad s\in \Lambda^0M \] where \(\omega\in\Lambda^1M\) is the associated Pfaffian with \(\mathcal ...
openaire   +2 more sources

Mapping transcriptomic vector fields of single cells

Cell, 2022
Xiaojie Qiu   +2 more
exaly  

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