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65.425  Articles
1 of 6.543 pages  |  10  records  |  more records»
In this paper, the vertex-degree function index Hf(G) is considered when function f(x) belongs to four classes of functions determined by the following properties: strictly convex versus strictly concave and strictly increasing versus ... see more

This paper aims to find a suitable decision rule for a binary composite hypothesis-testing problem with a partial or coarse prior distribution. To alleviate the negative impact of the information uncertainty, a constraint is considered that the maximum co... see more

Trigonometry is an area of the high school mathematics curriculum strictly related to algebraic, geometric, and graphical reasoning. In spite of its importance to both high school and advanced mathematics, research has shown that trigonometry remains... see more

It is proved that the sequence of the constants of the best approximation of function vt\sqrt{t} is monotone decreasing.

In heart failure (HF) patients frailty syndrome and cognitive impairment (CI) affect outcome by decreasing the capability for performing self-care, adhering to the prescribed treatment regimen, monitoring symptoms.The aim was to investigate whether CI aff... see more

We have performed the Density Functional Tight Binding (DFTB) study on the structural properties of Zinc Oxide Nanoparticles (NP), focusing on the effects induced by the surfaces and quantum size effect. Effects of surface relaxation and surface stress wh... see more

Background: This study evaluated the impact of decreasing renal function on short-term outcomes in patients undergoing primary coronary artery bypass grafting (CABG).Methods: The study period was from February 1999 to February 2009. Data on 4050 patients ... see more

The article focuses on the nominative and expressive functions of compound terms. The author makes a comparison of stable terminological compound terms with idioms, using the principle of nominative significance to group them. Existing approaches to the c... see more

Context. The questions of constructing a two-sided iterative process for finding a positive solution of the first boundary value problem for an ordinary second-order differential equation on the basis of the method of Green’s functions are considered... see more

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