[HTML][HTML] Geodesic and Newtonian vector fields and symmetries of mechanical systems

JF Cariñena, MC Muñoz-Lecanda - Symmetry, 2023 - mdpi.com
Geodesic vector fields and other distinguished vector fields on a Riemann manifold were
used in the study of free motions on such a manifold, and we applied the geometric Hamilton …

[HTML][HTML] Infinitesimal time reparametrisation and its applications

JF Cariñena, E Martínez… - Journal of Nonlinear …, 2022 - Springer
A geometric approach to Sundman infinitesimal time-reparametrisation is given and some of
its applications are used to illustrate the general theory. Special emphasis is put on …

[HTML][HTML] On Killing vector fields on Riemannian manifolds

S Deshmukh, O Belova - Mathematics, 2021 - mdpi.com
We study the influence of a unit Killing vector field on geometry of Riemannian manifolds.
For given a unit Killing vector field w on a connected Riemannian manifold (M, g) we show …

[HTML][HTML] A remarkable property of concircular vector fields on a Riemannian manifold

I Al-Dayel, S Deshmukh, O Belova - Mathematics, 2020 - mdpi.com
In this paper, we show that, given a non-trivial concircular vector field u on a Riemannian
manifold (M, g) with potential function f, there exists a unique smooth function ρ on M that …

Ricci solitons on Riemannian manifolds admitting certain vector field

DM Naik - Ricerche di Matematica, 2024 - Springer
In this paper, we initiate the study of impact of the existence of a unit vector ν ν, called a
concurrent-recurrent vector field, on the geometry of a Riemannian manifold. Some …

[HTML][HTML] A note on geodesic vector fields

S Deshmukh, J Mikeš, NB Turki, GE Vîlcu - Mathematics, 2020 - mdpi.com
The concircularity property of vector fields implies the geodesicity property, while the
converse of this statement is not true. The main objective of this note is to find conditions …

[HTML][HTML] Geometry of k-Yamabe Solitons on Euclidean Spaces and Its Applications to Concurrent Vector Fields

A Ali, F Mofarreh, P Laurian-Ioan, N Alluhaibi - Symmetry, 2021 - mdpi.com
In this paper, we give some classifications of the k-Yamabe solitons on the hypersurfaces of
the Euclidean spaces from the vector field point of view. In several results on k-Yamabe …

[HTML][HTML] On the differential equation governing torqued vector fields on a Riemannian manifold

S Deshmukh, N Bin Turki, H Alodan - Symmetry, 2020 - mdpi.com
In this article, we show that the presence of a torqued vector field on a Riemannian manifold
can be used to obtain rigidity results for Riemannian manifolds of constant curvature. More …

Bi-Hamiltonian structure of a unit geodesic vector field on a 3D space of constant negative curvature

T Bayrakdar - Journal of Geometry and Physics, 2024 - Elsevier
In this work we consider the Riemannian manifold defined by the product of an integral
curve of a Cauchy-Riemann vector field on the Poincaré upper half-plane and its image in …

[HTML][HTML] A note on solitons with generalized geodesic vector field

AM Blaga, A Ishan, S Deshmukh - Symmetry, 2021 - mdpi.com
We consider a general notion of an almost Ricci soliton and establish some curvature
properties for the case in which the potential vector field of the soliton is a generalized …