Results 21 to 30 of about 48 (46)

On 3-Dimensional Lorentzian β-Kenmotsu Manifolds

open access: yes, 2009
In this paper, we study Lorentzian β-Kenmotsu manifold satisfying the condition R(X, Y ) · S = 0, where R(X, Y ) is considered as a derivation of the tensor algebra at each point of the manifold of tangent vectors X, Y and S is the Ricci tensor, 3 ...

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Нормалност на туисторното пространство на 5-мерно многообразие с неприводима SО(3)-структура

open access: yes, 2014
[Davidov Johann; Давидов Йохан]A manifold with an irreducible SО(3)-structure is a 5-manifold M whose structure group can be reduced to the group SО(3), non-standardly imbedded in SО(5). The study of such manifolds has been initiated by M.
Davidov, Johann
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Secoond order parallel tensors on some paracontact manifolds

open access: yes, 2017
The object of the present paper is to study the symmetric and skewsymmetric properties of a second order parallel tensor on paracontact metric (k;μ)- spaces and almost β-para-Kenmotsu (k;μ)-spaces.
Pan, Quanxiang, Liu, Ximin
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Normality of the twistor space of a 5-manifold with an irreducible SO(3)-structure

open access: yes, 2014
A manifold with an irreducible SО(3)-structure is a 5-manifold M whose structure group can be reduced to the group SО(3), non-standardly imbedded in SО(5). The study of such manifolds has been initiated by M. Bobieński and P. Nurowski who, in particular,
Davidov, Johann
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Targetable vulnerabilities in T- and NK-cell lymphomas identified through preclinical models. [PDF]

open access: yesNat Commun, 2018
Ng SY   +46 more
europepmc   +1 more source

Recurrent genomic gains in preinvasive lesions as a biomarker of risk for lung cancer. [PDF]

open access: yesPLoS One, 2009
Massion PP   +12 more
europepmc   +1 more source

On almost cosymplectic (−1, μ, 0)-spaces

open access: yesOpen Mathematics, 2005
Dacko Piotr, Olszak Zbigniew
doaj   +1 more source
Some of the next articles are maybe not open access.

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Riemann soliton within the framework of contact geometry

Quaestiones Mathematicae, 2021
Venkatesha Venkatesha, Aruna Kumara H
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Cotton solitons on almost cokähler 3-manifolds

Quaestiones Mathematicae, 2021
Xiaomin Chen
exaly  

Geometry of almost Ricci solitons on paracontact metric manifolds

Quaestiones Mathematicae, 2022
Fatemah Mofarreh, Akram Ali
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