Integro-differential equation with two times modifications
Abstract We consider an integro-differential equation with two times modifications. Existence, uniqueness and monotony results of solution for the Cauchy…
works
Integro-Differential Equation with two time lags
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
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
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
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
Abstract In this article, a study of the fixed point problem for Ciric type multi-valued operators is presented. More precisely, …
The Planar Inverse Problem of Dynamics
Abstract We consider the following version of the inverse problem of Dynamics: given a monoparametric family of planar curves, find…
On Kantorovich-type Operators in Lp Spaces
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
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
Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, Profesorul Theodor Angheluţă cu ocazia împlinirii vârstei de 75 ani,…