Results 81 to 90 of about 23,637 (210)

Space‐time wedges

open access: yesNanophotonics, Volume 14, Issue 23, Page 3939-3946, 02 November 2025.
Abstract Space‐time–modulated systems have attracted significant interest over the past decade due to their ability to manipulate electromagnetic waves in unprecedented ways. Here, we introduce a new type of space‐time–modulated structure, the space‐time wedge, consisting of two interfaces moving at different velocities, which results in either closing
Amir Bahrami   +3 more
wiley   +1 more source

Predicting of the Quality Attributes of Orange Fruit Using Hyperspectral Images

open access: yesJournal of Food Quality and Hazards Control, 2019
Background: Hyperspectral image analysis is a fast and non-destructive technique that is being used to measure quality attributes of food products.
V. Aredo   +3 more
doaj  

The Principle of Non-Intervention in the Age of Humanitarian Crises

open access: yesLaw and Justice
This research critically describes the evolving tension between the principle of non-intervention and the newly arising norm of the Responsibility to Protect (R2P) under international law.
Thomas Sheku Marah
doaj   +1 more source

Covariant derivative of the curvature tensor of pseudo-K\"ahlerian manifolds

open access: yes, 2016
It is well known that the curvature tensor of a pseudo-Riemannian manifold can be decomposed with respect to the pseudo-orthogonal group into the sum of the Weyl conformal curvature tensor, the traceless part of the Ricci tensor and of the scalar ...
A Derdzinski   +19 more
core   +1 more source

Application of metasurface in future displays

open access: yesNanophotonics, Volume 14, Issue 22, Page 3527-3555, 01 November 2025.
Abstract Optical metasurfaces, as a booming research field, have provided new methods for modulating the amplitude, phase, and polarization of light through artificial birefringent structures or structural resonances. It has been used to design planar optical components such as ultra‐thin lenses, ultra‐wideband achromatic lenses, and orbital angular ...
Lingyu Ai   +3 more
wiley   +1 more source

Mirror Descent and Convex Optimization Problems With Non-Smooth Inequality Constraints

open access: yes, 2018
We consider the problem of minimization of a convex function on a simple set with convex non-smooth inequality constraint and describe first-order methods to solve such problems in different situations: smooth or non-smooth objective function; convex or ...
A Beck   +16 more
core   +1 more source

Can classical wormholes stabilize the brane-anti-brane system?

open access: yes, 2003
We investigate the static solutions of Callan and Maldecena and Gibbons to lowest order Dirac-Born-Infeld theory. Among them are charged wormhole solutions connecting branes to anti-branes.
A Pinzul   +21 more
core   +2 more sources

Large-space shell-model calculations for light nuclei

open access: yes, 1994
An effective two-body interaction is constructed from a new Reid-like $NN$ potential for a large no-core space consisting of six major shells and is used to generate the shell-model properties for light nuclei from $A$=2 to 6. (For practical reasons, the
A.G.M. van Hees   +56 more
core   +1 more source

Combination model for freshness prediction of pork using VIS/NIR hyperspectral imaging with chemometrics [PDF]

open access: yesAnimal Bioscience
Objective This study aimed to develop an enhanced model for predicting pork freshness by integrating hyperspectral imaging (HSI) and chemometric analysis Methods A total of 30 Longissimus thoracis samples from three sows were stored under vacuum ...
Minwoo Choi   +6 more
doaj   +1 more source

ANALISIS KEGAGALAN PERSERIKATAN BANGSA-BANGSA (PBB) DALAM MENEGAKKAN NORMA RESPONSIBILITY TO PROTECT (R2P) DI UKRAINA

open access: yesSiyar Journal
Artikel ini membahas upaya Perserikatan Bangsa-Bangsa (PBB) dalam menegakkan norma Responsibility to Protect (R2P) di Ukraina. Dimana penegakkan norma R2P di Ukraina masih gagal.
Zikry Aulia Husra
doaj   +1 more source

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