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22.075  Articles
1 of 2.209 pages  |  10  records  |  more records»
A set of fixed points in N-point gravitational lenses is studied in the paper. We use complex form of lens mapping to study fixed points. There are some merits of using a complex form over coordinate. In coordinate form gravitational lens is described by ... see more

The aim of this paper is to improve or simplify some theorems which have been published in the paper ``Fixed points for non-expansive set-valued mappings"  in this journal after a stay of the author at the University of Catania. In particular in the ... see more

In this paper, we prove some common fixed point theorems for compatible mappings of type (P). As applications, the existence and uniqueness of common solutions for a class of the functional equations in dynamic programming are discussed.

We propose a novel method to detect and locate a Man-in-the-Middle attack in a fixed wireless network by analyzing round-trip time and measured received signal strength from fixed access points. The proposed method was implemented as a client-side applica... see more

The researchers have presented some theorems of the fixed points of single-valued mappings by defining known contractive conditions on those points in the same path from a given graph. Here, this procedure will be modified and used to find fixed points of... see more

The researchers have presented some theorems of the fixed points of single-valued mappings by defining known contractive conditions on those points in the same path from a given graph. Here, this procedure will be modified and used to find fixed points of... see more

In this paper, using the concept of completion, we establish the existence of approximate fixed points for contracting set-valued mappings defined in a metric space not necessarily assumed to be complete. As a consequence, we obtain approxi... see more

Let E be a Banach space and F : E --> E be a 1-Lipschitz set-valued mapping with closed convex non-empty values. We study the set of fixed points Fix(F)={ x in E : x in F(x)} and provide in any space E with dim(E) > 2 an example of such a mapping F ... see more

In this paper, we obtain some fixed point theorems for dominated mappings satisfying locally contractive conditions on a closed ball in a left K-sequentially O-complete ordered quasi-partial metric space and in a right K-sequentially O-complete ordered qu... see more

1 of 2.209 pages  |  10  records  |  more records»