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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.

Integro-Differential Equation with two time lags

2 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

2 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

2 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

2 months ago

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

The Planar Inverse Problem of Dynamics

2 months ago

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

3 months ago

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

Chebyshev collocation solutions to some nonlinear and singular third-order problems relevant to thin-film flows

3 months ago

Abstract This paper concerns accurate spectral collocation solutions, more precisely Chebyshev collocation (ChC), to some third-order nonlinear and singular boundary…

An application of the Shepard operator in image reconstruction

3 months ago

Abstract We propose an application of the Shepard operator combined with two radial basis functions in image processing. This method…

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

4 months ago

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

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

4 months ago

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

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