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Papers published at ICTP.

The papers published by the ICTP members before or after being ICTP members are categorized as not@ictp.

About a mechanical quadrature formula

7 months ago

Original title (in Romanian)Despre o formulă de cuadratură mecanică Abstract AuthorsD.V. Ionescu Tiberiu Popoviciu Institute of Numerical Analysis Keywords? Paper…

Integration of a partial derivative equation involved in the problem of calculating thermal stresses in the boiling tubes of forced-flow boilers and radiant boilers

7 months ago

Original title (in Romanian)Integrarea unei ecuaţii cu derivate parţiale care intervine în problema calculului tensiunilor termice în tuburile fierbătoare ale…

Quadrature formulas with exterior nodes

7 months ago

Abstract AuthorsD.V.Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, Quadrature formulas with exterior nodes, (in Romanian) Stud. Cerc. Mat. (Cluj) 9 1958…

The fundamental theorem on implicit functions

7 months ago

Abstract AuthorsD.V.Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, The fundamental theorem on implicit functions, (in Romanian) Inst. Politehn. Cluj. Lucrari…

Representation as a double integral of the divided difference of order (m,n) of a function of two variables. II.

7 months ago

Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, Representation as a double integral of the divided difference of order…

Localization of critical points in annular conical sets via the method of Nehari manifold

7 months ago

AbstractUsing the Nehari manifold method, we establish sufficient conditions such that a smooth functional attains a ground state within an…

Free-surface equatorial flows with surface tension in spherical coordinates

7 months ago

AbstractIn this paper, we determine an exact solution to the governing equations in spherical coordinates for an inviscid, incompressible fluid.…

Critical point localization and multiplicity results in Banach spaces via Nehari manifold technique

7 months ago

AbstractIn the paper, results on the existence of critical points in annular subsets of a cone are obtained with the…

Control of Semilinear Differential Equations with Moving Singularities

7 months ago

AbstractIn this paper, we present a control problem related to a semilinear differential equation with a moving singularity, i.e., the…

Practical methods for the numerical integration of first-order differential equations

7 months ago

Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, Practical methods for the numerical integration of first-order differential equations, C.…

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