Results 11 to 20 of about 612 (101)

6-dimensional nearly Kaehler manifolds of cohomogeneity one [PDF]

open access: yesJournal of Geometry and Physics, 2009
We consider 6-dimensional strict nearly Kaehler manifolds acted on by a compact, cohomogeneity one automorphism group G. We classify the compact manifolds of this class up to G-diffeomorphisms.
Agricola   +16 more
core   +5 more sources

Pointwise hemi-slant warped product submanifolds in nearly Kaehler manifolds

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica
In this paper, we introduce the notion of pointwise hemi-slant sub-manifolds of nearly Kaehler manifolds. Further, we study their warped products and prove the necessary and sufficient condition that a point-wise hemi-slant submanifold to be a warped ...
Alqahtani Lamia Saeed   +2 more
doaj   +2 more sources

Optimal inequalities involving Casorati curvatures for Riemannian maps to nearly Kaehler manifolds

open access: yesJournal of Inequalities and Applications
We establish a general inequality and optimal inequalities involving the normalized Casorati curvatures and the generalized normalized Casorati curvatures within the horizontal space of a Riemannian map from a Riemannian manifold to a nearly Kaehler ...
Tanveer Fatima   +5 more
doaj   +2 more sources

Generic Submanifolds of Nearly Kaehler Manifolds with Certain Parallel Canonical Structure. [PDF]

open access: yesInt Sch Res Notices, 2014
The class of generic submanifold includes all real hypersurfaces, complex submanifolds, totally real submanifolds, and CR-submanifolds. In this paper we initiate the study of generic submanifolds in a nearly Kaehler manifold from differential geometric point of view. Some fundamental results in this paper will be obtained.
Zhu Q, Yang B.
europepmc   +4 more sources

Hemi-slant submanifolds of nearly Kaehler manifolds

open access: yesGulf Journal of Mathematics, 2016
In the present paper, we study the hemi-slant submanifolds of nearly Kaehler manifolds. We study the integrability of distributions involved in the definition of hemi-slant submanifolds. Some results are worked out on totally umbilical hemi-slant submanifolds. We study the cohomology class for hemi-slant submanifolds of nearly Kaehler manifolds.
Mehraj Ahmad Lone   +2 more
openaire   +3 more sources

Critical review of 16S rRNA gene sequencing workflow in microbiome studies: From primer selection to advanced data analysis

open access: yesMolecular Oral Microbiology, Volume 38, Issue 5, Page 347-399, October 2023., 2023
Abstract The multi‐batch reanalysis approach of jointly reevaluating gene/genome sequences from different works has gained particular relevance in the literature in recent years. The large amount of 16S ribosomal ribonucleic acid (rRNA) gene sequence data stored in public repositories and information in taxonomic databases of the same gene far exceeds ...
Alba Regueira‐Iglesias   +3 more
wiley   +1 more source

Magnetic exchange interactions in binuclear and tetranuclear iron(III) complexes described by spin‐flip DFT and Heisenberg effective Hamiltonians

open access: yesJournal of Computational Chemistry, Volume 44, Issue 3, Page 367-380, January 30, 2023., 2023
Exchange interactions in polynuclear Fe (III) compounds are derived from ab initio calculations based on a single spin‐flip (1SF) approach. Abstract Low‐energy spectra of single‐molecule magnets (SMMs) are often described by Heisenberg Hamiltonians.
Saikiran Kotaru   +3 more
wiley   +1 more source

Examining the production, export, and immediate fate of kelp detritus on open‐coast subtidal reefs in the Northeast Atlantic

open access: yesLimnology and Oceanography, Volume 67, Issue S2, Page S36-S49, November 2022., 2022
Abstract Kelp forests are highly productive coastal habitats and are emerging as important sources of organic matter for other ecosystems. Although their high rates of productivity and detritus release are expected to lead to substantial export of carbon, few studies have actually quantified rates of export or the persistence of detritus.
Dan A. Smale   +3 more
wiley   +1 more source

∗‐Ricci Tensor on α‐Cosymplectic Manifolds

open access: yesAdvances in Mathematical Physics, Volume 2022, Issue 1, 2022., 2022
In this paper, we study α‐cosymplectic manifold M admitting ∗‐Ricci tensor. First, it is shown that a ∗‐Ricci semisymmetric manifold M is ∗‐Ricci flat and a ϕ‐conformally flat manifold M is an η‐Einstein manifold. Furthermore, the ∗‐Weyl curvature tensor W∗ on M has been considered.
M. R. Amruthalakshmi   +4 more
wiley   +1 more source

Kant's a priori history of metaphysics: Systematicity, progress, and the ends of reason

open access: yesEuropean Journal of Philosophy, Volume 29, Issue 4, Page 811-826, December 2021., 2021
Abstract This paper explores Kant's conception of the relation between philosophy and its history. The idea that philosophy must account for its historical development is often associated with German Idealism. On the traditional view, the German Idealists departed from the ahistorical Kantian framework by conceiving of reason in a developmental manner,
Pavel Reichl
wiley   +1 more source

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