On modified variational method for the study of liquid motion in moving tanks
Abstract AuthorsPetru Bradeanu Doina Bradeanu Institutul de Calcul Cluj-Napoca Keywords? Paper coordinatesP. Brădeanu, D. Brădeanu, On modified variational method for…
1989
On some conditions for the existence of the fixed points in Hilbert spaces
Abstract AuthorsMira-Cristiana Anisiu Institutul de Calcul, Cluj-Napoca, Romania Valeriu Anisiu Babes-Bolyai University, Cluj-Napoca, Romania Keywords? Paper coordinatesM.-C. Anisiu, V. Anisiu,…
Fixed points theorems for retractible mappings
Abstract AuthorsMira-Cristiana Anisiu Institutul de Matematica, Cluj-Napoca, Romania Keywords? Paper coordinatesM.-C. Anisiu, Fixed points theorems for retractible mappings, Seminar on…
An abstract Korovkin type theorem and applications
Abstract We obtain some Korovkin type theorems for the space \(C(X)\), where \( X \) is a compact metric space…
An application of a theorem of McShane
Abstract AuthorsCostica Mustata https://ictp.acad.ro/mustata/ “Tiberiu Popoviciu” Institute of Numerical Analysis, Romanian Academy, Romania KeywordsPaper coordinatesC. Mustăţa, An application of a…
Topological transversality and applications
Abstract A generalized version of the topological transversality theorem due to A. Granas is proved by using Urysohn’s lemma in…
Topological transversality, perturbation theorems and second order differential equations
Abstract The topological transversality theorem for condensing mappings stated in [7] is used to prove some perturbation theorems: a theorem…
On the quasiconvex functions of higher order
Abstract ?? AuthorsRadu Precup Department of Mathematics, Babes-Bolyai University, Cluj-Napoca, Romania Keywords? Paper coordinatesR. Precup, On the quasiconvex functions of…
Measure of noncompactness and second order differential equations with deviating argument
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
Abstract A certain characterization of convex functions of order \(n\) on an interval \(I\) which are \((n+1)\) times differentiable on…