[PDF] Top 20 Do conhecimento sociológico à teoria das representações sociais

... unlike partial metric case, if p ∗ is a dualistic partial metric then p ∗ (x, y) = 0 does not imply x = ...a dualistic partial metric on R ... See full document

... In this paper, we obtain some fixed point results for generalized weakly contractive mappings with some auxiliary functions in the framework of b-metric spaces. The proved results generalize and ... See full document

... cyclic contractions in compact metric spaces were obtained already in ...fixed point result in compact spaces for weak contractions (in the sense of [, ]), thus ... See full document

... of partial metric space was introduced by Matthews [7] as a part of the study of denotational semantics of dataflow ...various fixed point theorems and obtained a lot of perfect ...some ... See full document

... a partial metric space and proved the contraction principle of Banach in this new ...fixed point theorems in partial metric spaces have been given by several authors (for ... See full document

... Suppose ( , ) is a complete S-metric space and {f } is a sequence of self maps of X such that there is an ∈ A for which (2.18)’ S(f x, f x, f y) ≤ α(S(x, x, y), S(f x, f x, x), S f y, f y, y ) holds for all x, y ∈ ... See full document

... a metric space. The concept of metric spaces is generalized by several ...(rectangular) metric spaces by re- placing triangular inequality by a similar one which involves four or more ... See full document

... The purpose of this article is to present some fixed point theorems for (ψ, )-weak contractive mappings in a complete metric space endowed with a partial order. As an application ... See full document

... Chen, Some new fixed point theorems for set-valued contractions in complete metric spaces, Fixed Point Theory Appl. Liu, Common fixed point theorems for sequences of Φ -type contraction [r] ... See full document

... coupled fixed point theorems which can be used to discuss the existence and uniqueness of solution for a periodic boundary value ...coupled fixed point theorem for contractions ... See full document

... of metric was introduced by Frechet [2] as an extension of the distance on the real ...remarkable fixed point theorem known as the Banach contraction principle was given shape in the context of ... See full document

... of metric spaces raised in several ...defined partial metric space, Bakhtin [4] introduced b- metric spaces, ...[15] Partial-b metric spaces and gen- ... See full document

... fixed point results in partial metric space results are equivalent to results in the context of usual metric ...fixed point theory has developed rapidly on partial metric ... See full document

... in fixed point theory to explore applications of Cantor type theorems as new contour instead of following Picard iterative schemes in generalized metric spaces like non symmetric ... See full document

... of contractions. In addition to Matthews’s investigations, cone metric spaces, D-metric spaces, and G-metric spaces (see, ...on metric spaces satisfying ... See full document

... and Fixed Point Theorems In this section, we study the existence of fixed points in metric spaces with a graph by defining (G, ϕ) − graphic ... See full document

... ∀ x, y ∈ X , where α, β ≥ 0 with kα + kβ < 1, then T has a unique fixed point. Proof. By putting µ = γ = 0 in Theorem(3.1) we get the required result. Corollary 3.3. Let (X, b) be a complete ... See full document

... Theorem 2.5. Let X, ≤ be a partially ordered set such that for every x, y, z, t ∈ X × X, there exists a u, v in X × X such that u ≤ x, z and v ≤ y, t and suppose there is a partial metric p on X such that ... See full document

... . The rectangle inequality: d(x, y, z) ≤ d(x, y, t) + d(y, z, t) + d(z, x, t) for all x, y, z, t ∈ X. Then d is called a -metric on X and (X, d) is called a -metric space which will be some- times ... See full document

... unique fixed point, provided that the metric space (X , d) is ...These contractions can be employed in metric spaces, 2-metric spaces and b 2 -metric ... See full document