Results 21 to 30 of about 79,392 (261)
The Triple Helix in the context of global change: dynamics and challenges
Prometheus, 2014 Understanding how economies change through interactions with science and government as different spheres of activity requires both new conceptual tools and methodologies.
Helen Lawton Smith, Loet Leydesdorff
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Magnetic Helicity Fluxes from Triple Correlators
The Astrophysical Journal, 2023 Fluxes of the magnetic helicity density play an important role in large-scale turbulent dynamos, allowing the growth of large-scale magnetic fields while overcoming catastrophic quenching.
Kishore Gopalakrishnan +1 more
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Dynamical Evolution of White Dwarfs in Triples in the Era of Gaia
The Astrophysical Journal Letters, 2023 The Gaia mission has detected many white dwarfs (WDs) in binary and triple configurations, and while observations suggest that triple-stellar systems are common in our Galaxy, not much attention was devoted to WDs in triples. For stability reasons, these
Cheyanne Shariat +5 more
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Formation of the dormant black holes with luminous companions from binary or triple systems
Astronomy & AstrophysicsContext. Recently, a class of dormant black hole (BH) binaries with luminous companions (dBH-LCs) has been observed, such as Gaia BH1, BH2, and BH3. Unlike previously discovered X-ray BH binaries, the observed dBH-LCs have relatively long orbital periods
Li Zhuowen +8 more
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The evolution of hierarchical triple star-systems [PDF]
Computational Astrophysics and Cosmology, 2016 AbstractField stars are frequently formed in pairs, and many of these binaries are part of triples or even higher-order systems. Even though, the principles of single stellar evolution and binary evolution, have been accepted for a long time, the long-term evolution of stellar triples is poorly understood.
Toonen, S.G.M. +2 more
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Triple and quadruple comparison-based interactive differential evolution and differential evolution
Proceedings of the twelfth workshop on Foundations of genetic algorithms XII, 2013 We propose a triple comparison and a quadruple comparison-based mechanism for enhancing differential evolution (DE), especially for interactive DE (IDE) where the method can be used to reduce IDE user fatigue. Besides the target vector and trial vector from normal DE, opposition vectors generated by opposition-based learning are used to determine ...
Yan Pei 0001, Hideyuki Takagi
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Evolution and Dynamics of Tight Triple Systems
, 2023 Tight Triple Systems have stars in a hierarchical configuration with a third star orbiting the inner binary with a period of fewer than 1000 days. Such systems are important for understanding the formation and evolution of stars in multiple systems. Having a detached eclipsing binary (DEB) as one of its components allows us to obtain precise stellar ...
Moharana, Ayush +4 more
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STELLAR EVOLUTION CONSTRAINTS ON THE TRIPLE-α REACTION RATE [PDF]
The Astrophysical Journal, 2011 14 pages, 8 figures, accepted by the ...
Suda, Takuma +2 more
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Triple Langmuir probe calibration in TOMAS ECRH plasma
AIP Advances, 2023 In the TOMAS device, a triple Langmuir probe is used to measure the electron temperature and density. The accuracy of this measurement depends on correct determination of the effective collecting area of the probe, which depends on complex plasma ...
J. Buermans +8 more
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The evolution of triples with a Roche lobe filling outer star [PDF]
Monthly Notices of the Royal Astronomical Society, 2014 13 pages, 16 figures, accepted for publication in ...
de Vries, Nathan +2 more
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