Critical point localization theorems via Ekeland’s variational principle
Abstract In this paper some existence results for critical points of extremum in conical annular regions are established by Ekeland’s…
not-at-ICTP
Generalizarea unor polinoame de interpolare pentru funcţiile de mai multe variabile
Abstract AuthorsDimitrie D. Stancu ”Babes-Bolyai” University, Cluj-Napoca, Romania Keywords? Paper coordinatesD.D. Stancu, Generalizarea unor polinoame de interpolare pentru funcţiile de mai…
Consideraţii asupra interpolării polinomiale a funcţiilor de mai multe variabile
Abstract AuthorsDimitrie D. Stancu ”Babes-Bolyai” University, Cluj-Napoca, Romania Keywords? Paper coordinatesD.D. Stancu, Consideraţii asupra interpolării polinomiale a funcţiilor de mai multe…
Asupra formulelor de cuadratură de tip Gauss
Abstract AuthorsDimitrie D. Stancu ”Babes-Bolyai” University, Cluj-Napoca, Romania Keywords? Paper coordinatesD.D. Stancu, Asupra formulelor de cuadratură de tip Gauss, Studia Univ.…
The combined Shepard operator of inverse quadratic and inverse multiquadric type
AbstractStarting with the classical, the modified and the iterative Shepard methods, we construct some new Shepard type operators, using the…
Positive solutions for discontinuous problems with applications to ϕ-Laplacian equations
Abstract We establish existence and localization of positive solutions for general discontinuous problems for which a Harnack-type inequality holds. In…
A Granas type approach to some continuation theorems and periodic boundary value problems with impulse
Abstract In this paper we study periodic solutions of a second order differential equation \[ x^{\prime\prime} = f(t, x, x^{\prime})…
Behavior properties and ordinary differential equations
Abstract The goal of this paper is to discuss the implications of the behavior properties from classical analysis (positivity, monotonicity,…
On the method of upper and lower solutions
Abstract Some results concerning the method of upper and lower solutions for nonlinear integral equations of Hammerstein type are presented.…
Continuation method for contractive maps on spaces endowed with vector-valued metrics
Abstract A continuation result for contractive maps on spaces endowed with vector-valued metrics is established. AuthorsRadu Precup Department of Mathematics,…