Extension of a cubature formula
Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, Extension of a cubature formula, Acad. Roy. Belg. Bull. Cl. Sci.…
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Two complementary approaches of the periodicity detection in astronomical time series
Abstract Estimation of the statistical significance of the peaks appearing in the spectra of various astronomical time series is essential…
A new extension of the Lacroix quadrature formula
Abstract AuthorsD.V. Ionescu, Institutul de Calcul https://ictp.acad.ro/dumitru-v-ionescu A. Coţiu Keywords? Paper coordinatesD.V.Ionescu, A. Cotiu, A new extension of the Lacroix quadrature…
On a class of cubature formulae for triple integrals
Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, On a class of cubature formulae for tripe integrals, C.…
Extension of the Newton quadrature formula
Abstract AuthorsD. V. Ionescu Institutul de Calcul P. Pavel Keywords? Paper coordinatesD. V. Ionescu, P. Pavel, Extension de la formule de quadrature…
Chebfun approximation to structure of positive radial solutions for a class of supercritical semi-linear Dirichlet problems
Abstract We use the Chebfun programming package to approximate numerically the structure of the set of positive radial solutions for…
Accurate Chebfun solutions to third-order nonlinear BVPs on the half-line. Applications in boundary layer theory
Abstract The paper is devoted to obtaining accurate numerical solutions to some third-order nonlinear boundary problems on the real semi-axis…
Fixed point results for non-self operators R₊^{m}-metric spaces
Abstract The purpose of this paper is to discuss some problems of the fixed point theory for non-self operators on…
Szász–Mirakjan–Durrmeyer operators defined by multiple Appell polynomials
Abstract The paper aims at approximating functions through a sequence of linear positive operators of continuous type. First we define…
A fixed-point approach to control problems for Kolmogorov type second-order equations and systems
Abstract In this paper, the second-order differential equations and systems of Kolmogorov type are defined. With reference to population dynamics…