Results 11 to 20 of about 627,744 (337)
The technology driven post-scarcity society is upon us. Ubiquitous technologies are eradicating scarcity in many industries. These macroscopic system trends are causing our economy to transition from relative scarcity to relative abundance. For many people in the world however, in both developed, developing, and underdeveloped countries, the notion of ...
Mauritz Kop, Mauritz Kop
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Measuring Abundance with Abundancy Index
A positive integer $n$ is called perfect if $ σ(n)=2n$, where $σ(n)$ denote the sum of divisors of $n$. In this paper we study the ratio $\frac{σ(n)}{n}$. We define the function Abundancy Index $I:\mathbb{N} \to \mathbb{Q}$ with $I(n)=\frac{σ(n)}{n}$.
Guha, Kalpok, Ghosh, Sourangshu
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Abundance of Infinite Switching
33 pages, 8 ...
Alexandre A. P. Rodrigues, Luísa Castro
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On Generalised Abundance, II [PDF]
The goal of this paper is to make a striking connection between several central conjectures in algebraic geometry: the Nonvanishing Conjecture, the Abundance Conjecture and the Semiampleness Conjecture for nef line bundles on K -trivial varieties.
Vladimir Lazić, Thomas Peternell
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MANGANESE ABUNDANCES IN THE ATMOSPHERE OF CLUMP GIANTS
The manganese abundances was determined in the atmospheres of clump giants stars whose election was made earlier based on their chemical composition and evolutionary tracks. The spectra of the studied stars were obtained using the facilities of the 1.93m
T. I. Gorbaneva
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Close Binaries and the Abundance Discrepancy Problem in Planetary Nebulae
Motivated by the recent establishment of a connection between central star binarity and extreme abundance discrepancies in planetary nebulae, we have carried out a spectroscopic survey targeting planetary nebula with binary central stars and previously ...
R. Wesson +4 more
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Non-LTE Abundances of Magnesium, Aluminum and Sulfur in OB Stars Near the Solar Circle [PDF]
Non-LTE abundances of magnesium, aluminum and sulfur are derived for a sample of 23 low-v \sin i stars belonging to six northern OB associations of the Galactic disk within 1 kpc of the Sun.
Afflerbach +21 more
core +3 more sources
Fe I and Fe II Abundances of Solar-Type Dwarfs in the Pleiades Open Cluster [PDF]
We have derived Fe abundances of 16 solar-type Pleiades dwarfs by means of an equivalent width analysis of Fe I and Fe II lines in high-resolution spectra obtained with the Hobby - Eberly Telescope and High Resolution Spectrograph.
Adele L. Plunkett +7 more
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With technological advance has come the possibility of a new era of abundance. Technologies like 3D printing and robotics promise to lower the costs of production and distribution of goods and services, presumably making these goods and services readily available to those across income and wealth spectrums. This undoubtedly is a good thing.
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Theoretical prediction of surface stellar abundances of light elements–lithium, beryllium, and boron–represents one of the most interesting open problems in astrophysics.
E. Tognelli +14 more
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