Results 61 to 70 of about 3,137,062 (349)

On Rédei’s dihedral extension and triple reciprocity law

open access: yes, 2014
: In this paper, we give an arithmetic characterization of Re´dei’s dihedral extension over Q and another simple proof of the reciprocity law of the triple symbol.
Fumiya Amano
semanticscholar   +1 more source

Inter‐Layer Diffusion of Excitations in 2D Perovskites Revealed by Photoluminescence Reabsorption

open access: yesAdvanced Functional Materials, EarlyView.
Inter‐layer diffusion of photoexcitations is monitored in thin films of the 2D perovskite (PEA)2PbI4 by tracking time‐dependent changes in photoluminescence spectra induced by photon reabsorption effects. A low out‐of‐plane excitation diffusion coefficient of 0.26 × 10−4 cm2 s−1 is determined through 1D diffusion modeling.
Jiaxing Du   +7 more
wiley   +1 more source

Set-off as a way of ending obligations [PDF]

open access: yesGlasnik Advokatske komore Vojvodine, 2015
In this work the authors analyzed set-off as one of the most common and most significant way of ending obligations in our legal system. The most important and in practice the most common way of ending obligations is their fulfillment.
Radovanov Aleksandar, Danojlić Miladin
doaj  

The Legal Space for Structural Differentiation in the EU: Reciprocity, Interconnectedness and Effectiveness as Sources of Constitutional Rigidity

open access: yesEuropean Papers, 2023
(Series Information) European Papers - A Journal on Law and Integration, 2022 7(3), 1165-1190 | Article | (Table of Contents) I. Introduction. - II. Sources of rigidity. - II.1. Omnidirectional reciprocity as a source of rigidity.
Armin Cuyvers
doaj   +1 more source

Turning on Selective H2S Gas Sensing Activity in Ternary Nickel Tungstate Strongly Correlated Electron System Through Sub‐Gap Band Manipulation

open access: yesAdvanced Functional Materials, EarlyView.
A strongly correlated electron system (SCES) exhibits pronounced insulating behavior due to Coulombic repulsion between cations, which generates a charge gap. This study investigates the tuning of the band structure in NiWO4‐based SCES via Cu doping at substitutional sites and Li doping at interstitial sites.
Seung Yong Lee   +18 more
wiley   +1 more source

Adjoint Kirchhoff’s Law and General Symmetry Implications for All Thermal Emitters

open access: yesPhysical Review X, 2022
We study the relation between angular spectral absorptivity and emissivity for any thermal emitter, which consists of any linear media that can be dispersive, inhomogeneous, bianisotropic, or nonreciprocal.
Cheng Guo, Bo Zhao, Shanhui Fan
doaj   +1 more source

Hermite's identity and the quadratic reciprocity law [PDF]

open access: yesarXiv, 2022
We give a short proof of the quadratic reciprocity law using Gauss's Lemma and Hermite's identity.
arxiv  

High‐Entropy Magnetism of Murunskite

open access: yesAdvanced Functional Materials, EarlyView.
The study of murunskite (K2FeCu3S4) reveals that its magnetic and orbital order emerges in a simple I4/mmm crystal structure with complete disorder in the transition metal positions. Mixed‐valence Fe ions randomly occupy 1/4 of the tetrahedral sites, with the remaining 3/4 being filled by non‐magnetic Cu+ ions.
Davor Tolj   +18 more
wiley   +1 more source

On the exponential Diophantine equation $ \left(\frac{q^{2l}-p^{2k}}{2}n\right)^x+(p^kq^ln)^y = \left(\frac{q^{2l}+p^{2k}}{2}n\right)^z $

open access: yesAIMS Mathematics, 2022
Let $ k, l, m_1, m_2 $ be positive integers and let both $ p $ and $ q $ be odd primes such that $ p^k = 2^{m_1}-a^{m_2} $ and $ q^l = 2^{m_1}+a^{m_2} $ where $ a $ is odd prime with $ a\equiv 5\pmod 8 $ and $ a\not\equiv 1\pmod 5 $. In this paper, using
Cheng Feng , Jiagui Luo
doaj   +1 more source

Revisiting the substantive rules of the law of international watercourses: an analysis through the lens of reciprocity and the interests of China

open access: yes, 2018
The United Nations Convention on the Law of the Non-Navigational Uses of International Watercourses, 1997, finally entered into force in August 2014 after nearly 17 years.
David J. Devlaeminck
semanticscholar   +1 more source

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