1989

On some conditions for the existence of the fixed points in Hilbert spaces

11 months ago

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

11 months ago

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

2 years ago

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

2 years ago

Abstract AuthorsCostica Mustata “Tiberiu Popoviciu” Institute of Numerical Analysis, Romanian Academy, Romania KeywordsPaper coordinatesC. Mustăţa, An application of a theorem…

Topological transversality and applications

2 years ago

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

3 years ago

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

3 years ago

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

3 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

3 years ago

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

The forth order asymptotic approximation of the meteorological primitive equations when the Rossby number tends to zero

7 years ago

AbstractAuthorsC. Vamoș -Tiberiu Popoviciu Institute of Numerical Analysis, Romanian Academy A. Georgescu KeywordsCite this paper as:C. Vamoş, A. Georgescu, The forth order…

1989

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