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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.

On some applications of the controllability principle for fixed point equations

2 years ago

Abstract The aim of this paper is to draw attention to a general principle for solving control problems for operator…

Chebfun Solutions to a Class of 1D Singular and Nonlinear Boundary Value Problems

2 years ago

AbstractThe Chebyshev collocation method implemented in Chebfun is used in order to solve a class of second order one-dimensional singular…

Stationary Kirchhoff equations and systems with reaction terms

2 years ago

AbstractIn this paper, the operator approach based on the fixed point principles of Banach and Schaefer is used to establish…

A new optimal method of order four of Hermite–Steffensen type

2 years ago

Abstract We introduce a new method for solving nonlinear equations in R, which uses three function evaluations at each step…

Krasnoselskii type theorems in product Banach spaces and applications to systems of nonlinear transport equations and mixed fractional differential equations

2 years ago

AbstractIn this paper, we use a new technique for the treatment of systems based on the advantage of vector-valued norms…

Hahn decompositions of finitely additive measures

2 years ago

Abstract AuthorsȘtefan Cobzaș ”Tiberiu Popoviciu” Institute of Numerical Analysis, Cluj-Napoca, Romanian KeywordsPaper coordinatesȘt. Cobzaș, Hahn decompositions of finitely additive measures,…

A nonlinear periodic averanging principle

2 years ago

Abstract This paper is devoted to a nonlinear averaging principle for periodic solutions of a class of second order inclusions.…

Quasiconvex functions of higher order and the behavior of some nonlinear functionals

2 years ago

Abstract A result of T. Popoviciu, which characterizes real linear functionals on \(C(I)\) that are positive on n-convex functions as…

Measure of noncompactness and second order differential equations with deviating argument

2 years ago

AbstractWe study the existence and uniqueness of equations u′′(t)=f(t,u(t),u′(t),u(g₁(t)),…,u(g_{m}(t))) 1.1 u(t)=p(t),)t∈I╲intI,(1.2) in a Banach space. This problem is regarded as…

Convex functions of order \(n\) and \(P_n\)-simple functionals

2 years ago

Abstract A certain characterization of convex functions of order \(n\) on an interval \(I\) which are \((n+1)\) times differentiable on…

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