Fixed point results for weakly Picard non-self operators on ℝ+m-metric spaces
Abstract The aim of this paper is to extend the graphic contraction principle, well-known for self operators, to non-self operators.…
Picard operators
A differential equation with delay from biology
Abstract The purpose of this paper is to present a differential equation with delay from biological excitable medium. Existence, uniqueness…
Abstract Volterra operators
Abstract The aim of this paper is to study a differential equation with abstract Volterra operator. Existence and uniqueness, inequalities…