Results 31 to 40 of about 1,109,396 (195)

Soviet-American and Soviet-Chinese Relations under Y.V. Andropov: An Analysis

open access: yesVestnik RUDN. International Relations
In this study, the author examines the foreign policy of Y.V. Andropov and assesses the impact of his personal position on the Soviet-US and Sino-Soviet relations during his tenure as the leader of the Soviet Union.
Yinan Li
doaj   +1 more source

Benefit Evaluation of All-Optical Subchannel Add–Drop in Flexible Optical Networks

open access: yesIEEE Photonics Journal, 2016
Recent advances in switching technology have enabled the all-optical add/drop of low-rate signals to/from flexigrid superchannels empowering all-optical traffic grooming (AOTG) as an alternative to electronic grooming, e.g., OTN. This capability promises
P. S. Khodashenas   +6 more
doaj   +1 more source

Thermodynamical phases of a regular SAdS black hole

open access: yes, 2012
This paper studies the thermodynamical stability of regular BHs in AdS5 background. We investigate off-shell free energy of the system as a function of temperature for different values of a "coupling constant" L=4 theta/l^2, where the cosmological ...
Smailagic, Anais, Spallucci, Euro
core   +1 more source

Percentile Queries in Multi-Dimensional Markov Decision Processes [PDF]

open access: yes, 2015
Markov decision processes (MDPs) with multi-dimensional weights are useful to analyze systems with multiple objectives that may be conflicting and require the analysis of trade-offs.
C Baier   +23 more
core   +8 more sources

Recirculating Frequency Shifting Based Wideband Optical Frequency Comb Generation by Phase Coherence Control

open access: yesIEEE Photonics Journal, 2015
Recirculating frequency shifting (RFS) has attracted much attention for its advantages in flexible and high-quality optical frequency comb (OFC) generation. As the number of tones increases, the phase coherence of the tones plays a very important role in
Cheng Lei   +4 more
doaj   +1 more source

Field induced metastable ferroelectric phase in Pb0.97La0.03(Zr0.90Ti0.10)0.9925O3 ceramics

open access: yesJournal of the European Ceramic Society, 2018
Pb0.97La0.03(Zr0.9Ti0.1)0.9925O3 (PLZT 3/90/10) ceramics prepared by solid-state reaction with the compositions near the antiferroelectric/ferroelectric (FE/AFE) phase boundary were studied. From the polarization-electric field P(E) dependence and ex situ X-ray study, an irreversible electric field induced AFE-to-FE phase transition is verified at room
Ciuchi I V   +6 more
openaire   +3 more sources

Harnack Inequalities for Yamabe Type Equations [PDF]

open access: yes, 2006
We give some a priori estimates of type sup*inf for Yamabe and prescribed scalar curvature type equations on Riemannian manifolds of dimension >2. The product sup*inf is caracteristic of those equations, like the usual Harnack inequalities for non ...
Bahoura, Samy Skander
core   +2 more sources

Simultaneous Measurement of Temperature and Strain Using Spheroidal-Cavity-Overlapped FBG

open access: yesIEEE Photonics Journal, 2015
We demonstrated a fiber-optic sensor using spheroidal-cavity-overlapped fiber Bragg grating (FBG) for simultaneous temperature and strain sensing. The spheroidal cavity is fabricated through splicing two sections of the photon-sensitive fiber together ...
Yuheng Pan   +7 more
doaj   +1 more source

Decision Trees, Protocols, and the Fourier Entropy-Influence Conjecture [PDF]

open access: yes, 2013
Given $f:\{-1, 1\}^n \rightarrow \{-1, 1\}$, define the \emph{spectral distribution} of $f$ to be the distribution on subsets of $[n]$ in which the set $S$ is sampled with probability $\widehat{f}(S)^2$.
Wan, Andrew, Wright, John, Wu, Chenggang
core  

Minimizing Polarization Multiplexing Angle in Polarization-Division-Multiplexed System

open access: yesIEEE Photonics Journal, 2016
The minimization of polarization multiplexing angle in a polarization-division-multiplexed (PDM) transmission system is explored. An effective polarization demultiplexing algorithm based on Stokes space is proposed to realize the demultiplexing of two ...
Lin Jiang   +8 more
doaj   +1 more source

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