Results 21 to 30 of about 2,982,699 (191)

Benchmark Test Calculation of a Four-Nucleon Bound State [PDF]

open access: yes, 2001
In the past, several efficient methods have been developed to solve the Schroedinger equation for four-nucleon bound states accurately. These are the Faddeev-Yakubovsky, the coupled-rearrangement-channel Gaussian-basis variational, the stochastic ...
A. Kievsky   +83 more
core   +3 more sources

Is Economic Integration a Historical Shock to City-size Distribution?

open access: yesComparative Economic Research, 2018
Based on the assumption that the economic integration process contributes, via market reforms, to the dynamics of the space distribution in candidate countries, this study examines (i) whether agglomeration forces or dispersion forces are dominant; (ii ...
Engin Sorhun
doaj   +1 more source

Bounds for test exponents [PDF]

open access: yesCompositio Mathematica, 2006
Suppose that R is a two-dimensional normal standard-graded domain over a finite field. We prove that there exists a uniform Frobenius test exponent b for the class of homogeneous ideals in R generated by at most n elements. This means that for every ideal I in this class we have that f^(p^b) belongs to I^([p^b]) if and only if f belongs to the ...
openaire   +2 more sources

Testing the bounds of compassion in young children [PDF]

open access: yesRoyal Society Open Science, 2021
Abstract Extensive research shows that, under the right circumstances, children are highly prosocial. Less in known about their capacity for compassion. Across five experiments (N = 285), we aimed to capture the bounds of 4-5-year-old children’s compassionate behaviour.
James N. Kirby   +6 more
openaire   +4 more sources

Maximum violations of the quantum-witness equality [PDF]

open access: yes, 2015
We consider the quantum-witness test of macroscopic realism and derive an upper bound for possible violations of this equality due to quantum mechanics.
Emary, Clive, Schild, Greg
core   +2 more sources

Analysis of the specificity of a COVID-19 antigen test in the Slovak mass testing program.

open access: yesPLoS ONE, 2021
AimsMass antigen testing programs have been challenged because of an alleged insufficient specificity, leading to a large number of false positives. The objective of this study is to derive a lower bound of the specificity of the SD Biosensor Standard Q ...
Michal Hledík   +5 more
doaj   +1 more source

Analysis of Internal Migration in Turkey Within The Framework of the Todaro Paradox: An ARDL Bound Testing Approach

open access: yesİstanbul İktisat Dergisi, 2021
In primitive societies, individual and mass migration took place to settle in more productive and/or safer areas. In the modern world, migration occurs for similar reasons, such as obtaining a higher level of welfare, accessing educational and employment
Emrah Kıratoğlu   +1 more
doaj   +1 more source

Concurrency testing using schedule bounding [PDF]

open access: yesACM SIGPLAN Notices, 2014
We present the first independent empirical study on schedule bounding techniques for systematic concurrency testing (SCT). We have gathered 52 buggy concurrent software benchmarks, drawn from public code bases, which we call SCTBench. We applied a modified version of an existing concurrency testing tool to SCTBench to attempt to answer several research
Thomson, P, Donaldson, AF, Betts, A
openaire   +2 more sources

On sharp lower bounds for Calabi type functionals and destabilizing properties of gradient flows

open access: yes, 2020
Let $X$ be a compact K\"ahler manifold with a given ample line bundle $L$. In \cite{Don05}, Donaldson proved that the Calabi energy of a K\"ahler metric in $c_1(L)$ is bounded from below by the supremum of a normalized version of the minus Donaldson ...
Xia, Mingchen
core   +2 more sources

On stability robustness with respect to LTV uncertainties [PDF]

open access: yes, 1998
It is shown that the well-known (D,G)-scaling upper bound of the structured singular value is a nonconservative test for robust stability with respect to certain linear time-varying ...
Fu, Minyue   +2 more
core   +5 more sources

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