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This category marks all the ICTP posts containing the pdf file of the paper/book.

Integro-Differential Equation with two time lags

11 months ago

Abstract We consider an integro-differential equation with two time lags and we prove the existence, uniqueness and convergence of the…

Exact solutions for differential equations in Celestial Mechanics

11 months ago

Abstract There are many problems in Celestial Mechanics which can be reduced to differential equations, either linear or nonlinear. We…

On a D.V. Ionescu’s problem for functional-differential equations of second order

11 months ago

Abstract Abstract. The paper is devoted to the study of the following D.V. Ionescu’s problem \[ \left \{ \begin{array} [l]{l}%…

Lotka, Volterra and their model

11 months ago

Abstract The chemist and statistician Lotka, as well as the mathematician Volterra, studied the ecological problem of a predator population…

Some variants of Ćirić’s multi-valued contraction principle

11 months ago

Abstract In this article, a study of the fixed point problem for Ciric type multi-valued operators is presented. More precisely, …

On Kantorovich-type Operators in Lp Spaces

12 months ago

Abstract This note is devoted to the study of a linear positive sequence of operators representing an integral form in…

Existence theorems regarding a functional equation by E. Picard

12 months ago

Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, Teoreme de existenţă în legătură cu o ecuaţie funcţională a…

Professor Theodor Angheluţă on the occasion of his 75th birthday

12 months ago

Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, Profesorul Theodor Angheluţă cu ocazia împlinirii vârstei de 75 ani,…

On Lord Kelvin’s theorem

1 year ago

Original title (in French)Sur théorème de Lord Kelvin Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, Sur théorème…

Generalization of a functional equation encountered by G. Darboux

1 year ago

Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, Generalization of a functional equation encountered by G. Darboux, (French) Acad. Roum. Bull.…

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