Results 71 to 80 of about 28,276 (148)

Pair of Associated η-Ricci–Bourguignon Almost Solitons with Vertical Potential on Sasaki-like Almost Contact Complex Riemannian Manifolds

Mathematics
The manifolds studied are almost contact complex Riemannian manifolds, known also as almost contact B-metric manifolds. They are equipped with a pair of pseudo-Riemannian metrics that are mutually associated to each other using an almost contact ...
Mancho Manev
doaj   +1 more source

$\eta$-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, Blaga, Adara Monica, Erdoğan, Feyza Esra, Perktaş, Selcen Yüksel   +3 more
core  

Pair of Associated η-Ricci–Bourguignon Almost Solitons with Vertical Torse-Forming Potential on Almost Contact Complex Riemannian Manifolds

Mathematics
Each of the studied manifolds has a pair of B-metrics, interrelated by an almost contact structure. The case where each of these metrics gives rise to an η-Ricci–Bourguignon almost soliton, where η is the contact form, is studied.
Mancho Manev
doaj   +1 more source

η-Ricci Solitons on Weak β-Kenmotsu f-Manifolds

Mathematics
Recent interest among geometers in f-structures of K. Yano is due to the study of topology and dynamics of contact foliations, which generalize the flow of the Reeb vector field on contact manifolds to higher dimensions. Weak metric structures introduced
Vladimir Rovenski
doaj   +1 more source

Magnetic Field Effects in Triplet-Triplet Annihilation Upconversion: Revisiting Atkins and Evans' Theory. [PDF]

J Chem Theory Comput, 2023
Forecast R, Campaioli F, Cole JH.
europepmc   +1 more source

Continuity Equation of Transverse Kähler Metrics on Sasakian Manifolds

Mathematics
We introduce the continuity equation of transverse Kähler metrics on Sasakian manifolds and establish its interval of maximal existence. When the first basic Chern class is null (resp. negative), we prove that the solution of the (resp.
Yushuang Fan, Tao Zheng
doaj   +1 more source

Z-Solitons and Gradient Z-Solitons on α-Cosymplectic Manifolds

Axioms
In this paper, we study Z-solitons and gradient Z-solitons on α-cosymplectic manifolds. The soliton structure is defined by the generalized tensor Z=S+βg, where S denotes the Ricci tensor, g the metric tensor, and β a smooth function.
Mustafa Yildirim, Mehmet Akif Akyol, Majid Ali Choudhary, Foued Aloui   +3 more
doaj   +1 more source

Solution properties of spherical gold nanoparticles with grafted DNA chains from simulation and theory. [PDF]

Nanoscale Adv, 2022
Vargas-Lara F, Starr FW, Douglas JF.
europepmc   +1 more source

Classification of Three-Dimensional Contact Metric Manifolds with Almost-Generalized $\mathit{Ƶ}$-Solitons

Mathematics
This work investigates the classification of three-dimensional complete contact metric manifolds that are non-Sasakian and satisfy the relation Qξ=σξ, focusing on those that support an almost-generalized Ƶ-soliton. In the scenario where σ is constant, we
Shahroud Azami, Mehdi Jafari, Daniele Ettore Otera   +2 more
doaj   +1 more source

Neural Field Continuum Limits and the Structure-Function Partitioning of Cognitive-Emotional Brain Networks. [PDF]

Biology (Basel), 2023
Clark KB.
europepmc   +1 more source