## Abstract method of upper and lower solutions and application to singular boundary value problems

AbstractThe method of upper and lower solutions is presented for the xed point problem associated to operators which are compositions…

AbstractThe method of upper and lower solutions is presented for the xed point problem associated to operators which are compositions…

AbstractAuthorsRadu Precup Department of Mathematics Babes-Bolyai University, Cluj-Napoca, Romania Diana-Raluca Herlea Keywordsϕ-Laplacian; p-Laplacian; boundary value problem; Krasnosel’skiĭ’s fixed point theorem…

AbstractThe paper presents a vectorial approach for coupled general nonlinear Schrödinger systems with nonlocal Cauchy conditions. Based on fixed-point principles,…

AbstractWe present the relationship between the notion of partial metric, which has applications in Computer Science, that of quasimetric (which…

AbstractAuthorsM.-C. Anisiu Romanian Academy, Tiberiu Popoviciu Institute of Numerical Analysis, Cluj-Napoca I. Szucs-Csillik Romanian Academy, Institute of Astronomy, Astronomical Observatory…

AbstractLet Omega subset of R-p, p is an element of N* be a nonempty subset and B(Omega) be the Banach…

Abstract In this paper, we give some general results on the asymptotic relationship between the solutions of a linear differential…

AbstractThe aim of this paper is to discuss some basic problems (existence and uniqueness, data dependence) of the Cauchy problem…

AbstractThis paper represents a continuation of our previous work, where a mathematical model which describes the equilibrium of an elastic…

AbstractThree spectral collocation methods, namely Laguerre collocation (LC), Laguerre Gauss Radau collocation (LGRC) and mapped Chebyshev collocation (ChC) are used…