Sentence examples for concerning fixed from inspiring English sources

For results concerning fixed points and common fixed points in partially ordered metrics spaces, we refer to [16 22].

Contractive maps have nice properties concerning fixed points; a big amount of literature has been devoted to fixed points of nonexpansive maps.

For other results concerning fixed point theorems on ordered sets, we refer to[34, 35, 36, 37].

Finally, promising results are being obtained concerning fixed point theory for multivalued maps (see, for instance [31 33]).

One can refer to [28] for the interesting results concerning fixed point theorems in b-metric spaces.

The Nadler's paper [8] started the invatigations concerning fixed point theory for set-valued contractions, see e.g. [9 20].

The first class of models, formulated mostly through evolutionary game theory formalism, concerns fixed size populations, where the transition rates are frequency dependent [ 14]: the fitness of an A individual can be superior to the fitness of an S individual if the number of A individuals already present is high enough.

Concerning ejective fixed points, we will formulate the following theorem.

Our results generalize and unify results concerning asymptotic fixed point theory of contractive mappings.

Note that these two concepts of fuzziness of metric spaces and the following two kinds of completeness in these spaces are important in the rich literature concerning fuzzy fixed point theory (see [3 5] and [9 13]).

There are many papers in the literature concerning coupled fixed points introduced by Bhaskar and Lakshmikantham [15] and their applications in the existence and uniqueness of solutions for boundary value problems.