Results 51 to 60 of about 4,869 (103)

A note on a totally umbilical proper slant submanifold of a nearly Kaehler manifold

open access: yesKuwait Journal of Science, 2013
In this paper, we study totally umbilical proper slant submanifolds of a nearly Kaehler manifold. We prove that every totally umbilical proper slant submanifold of a nearly Kaehler manifold is totally geodesic.  
KHUSHWANT SINGH   +2 more
doaj  

Generic Riemannian Submersions from nearly K¨aehler Manifolds

open access: yesJournal of the Tensor Society, 2007
We study generic Riemannian submersions from nearly K¨aehler manifolds onto Riemannian manifolds. We investigate conditions for the integrability of various distributions arising for generic Riemannian submersions and also obtain conditions for leaves to be totally geodesic foliations.
Kaushal, Rupali   +3 more
openaire   +2 more sources

Effects of pre‐treatment, historical age, and sample characteristics on the stable isotope analyses of killer whale (Orcinus orca) bone

open access: yesRapid Communications in Mass Spectrometry, Volume 38, Issue 19, 15 October 2024.
Rationale Stable isotope analysis of bone provides insight into animal foraging and allows for ecological reconstructions over time, however pre‐treatment is required to isolate collagen. Pre‐treatments typically consist of demineralization to remove inorganic components and/or lipid extraction to remove fats, but these protocols can differentially ...
Kelly R. Bowen, Carolyn M. Kurle
wiley   +1 more source

AdS$_4$ solutions of massive IIA from dyonic ISO(7) supergravity

open access: yes, 2016
Explicit formulae are given for the consistent truncation of massive type IIA supergravity on the six-sphere to the SU(3)--invariant sector of $D=4$ ${\cal N}=8$ supergravity with dyonic ISO(7) gauging.
Varela, Oscar
core   +1 more source

What Is the Ideal Dimension of Law?

open access: yesRatio Juris, Volume 37, Issue 3, Page 210-229, September 2024.
Abstract Various authors have claimed that law has an ideal dimension owed to a claim to correctness. Against this thesis, this article argues that there are several ideal dimensions of law, namely, a moral, a legal, and an ontological one. All of them are independent of a claim to correctness.
Lorenz Kaehler
wiley   +1 more source

Supersymmetric AdS(4) compactifications of IIA supergravity

open access: yes, 2004
We derive necessary and sufficient conditions for N=1 compactifications of (massive) IIA supergravity to AdS(4) in the language of SU(3) structures. We find new solutions characterized by constant dilaton and nonzero fluxes for all form fields.
A. Butti   +31 more
core   +2 more sources

The convenience yield under commodity financialization

open access: yesJournal of Futures Markets, Volume 44, Issue 4, Page 631-652, April 2024.
Abstract A number of papers have dealt with commodity financialization finding strong evidence for its existence and its effect on commodity prices and volatility. We chose convenience yield (CY) to study the effect of commodity financialization based on the theory of storage and on the argument that CY resembles a call option.
Nikolaos T. Milonas   +1 more
wiley   +1 more source

CR-warped product submanifolds of locally conformal Kaehler manifolds [PDF]

open access: yes, 2010
In the present paper characterizations in terms of the canonical structures P and F on a CR-submanifold of a locally conformal Kaehler manifold are worked out under which the sub manifold reduces to a CR-warped product ...
Jamal Nargis, Khan Viqar Azam
core   +1 more source

A Comparison of Supersymmetry Breaking and Mediation Mechanisms

open access: yes, 2010
We give a unified treatment of different models of supersymmetry breaking and mediation from a four dimensional effective field theory standpoint. In particular a comparison between GMSB and various gravity mediated versions of SUSY breaking shows that ...
BS Acharya   +28 more
core   +1 more source

Yang-Mills Flows on Nearly Kähler Manifolds and G 2-Instantons [PDF]

open access: yesCommunications in Mathematical Physics, 2010
We consider Lie(G)-valued G-invariant connections on bundles over spaces G/H, RxG/H and R^2xG/H, where G/H is a compact nearly Kaehler six-dimensional homogeneous space, and the manifolds RxG/H and R^2xG/H carry G_2- and Spin(7)-structures, respectively.
Harland, Derek   +3 more
openaire   +3 more sources

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