Báo cáo hóa học: "Fixed point theorem for generalized weak contractions satisfying rational expressions in ordered metric spaces" potx

... this article as: Luong and Thuan: Fixed point theorem for generalized weak contractions satisfying rational expressions in ordered metric spaces. Fixed Point Theory and Applications 2011 2011:46. Submit ... University, Thanh Hoa, Vietnam Abstract In this paper, we prove a fixed point theorem for generalized weak contractions satisfying rational exp...

Ngày tải lên: 21/06/2014, 00:20

... notice below). For information about publishing your research in Fixed Point Theory and Applications go to http://www.fixedpointtheoryandapplications.com/authors/instructions/ For information about ... fixed points in partially ordered sets. Mathematica Aeterna 1(4), 237– 244 (2011) 21 fixed point for these two types of contractions. Our results generalize or improve many recen...

Ngày tải lên: 21/06/2014, 20:20

... point z ∈∩ m i =1 A i . Corollary 8 is Theorem 1.3 of [1]. The following corollary gives us a fixed point theorem with a contractive condition of integral type for cyclic contractions. Karapinar ... Lebesgue-integrable mapping satisfying  ε 0 ρ(t)d t for ε > 0 and the constant k Î [0, 1). Then T has a unique fixed point. Notice that this is the main result of [6]. If in...

Ngày tải lên: 20/06/2014, 22:20

... mappings in a Hil- bert space. In 2008, Kohsaka and Takahashi [6] introduced nonspreading mapping and obtained a fixe d point theorem for a single nonspr eading mapping and a common fixed point theorem ... fixed point in C. 3 Main results In this section, we study the fixed point theorems, ergodic theorems , demiclosed prin- ciples, and Ray’s type theorems for asymptot...

Ngày tải lên: 20/06/2014, 22:20

... is to present a fixed point theory for multivalued -con- tractions in terms of the following: • fixed points, strict fixed points, periodic points ([2-17]); • multivalued weakly Picard operators ... generalize some recent theorems given in Petruşel and Rus (The theory of a metric fixed point theorem for multivalued operators, Proc. Ninth International Conference on Fixed Poi...

Ngày tải lên: 21/06/2014, 00:20

... fixed point in C. 3 Main results In this section, we study the fixed point theorems, ergodic theorems , demiclosed prin- ciples, and Ray’s type theorems for asymptotic nonspreading mappings and for ... point theorem for a single nonspr eading mapping and a common fixed point theorem for a commutative family of nonspreading mappings in Banach spaces. A mapping T : C ®...

Ngày tải lên: 21/06/2014, 00:20

... refined in [20-23]. In this article, we obtain coincidence point and common fixed point theorems in complete ordered metric spaces for mappings, satisfying a contractive condition which involves ... author information is available at the end of the article Abstract In this article, we establish coincidence point and common fixed point theorems for mappings satisfyin...

Ngày tải lên: 21/06/2014, 02:20

... quasi-coincidentally commuting if for all coincidence points “x”of(T,F), TFx ⊂ FTx whenever Fx ⊂ K and Tx ∈ K for all x ∈ K. 284 Hybrid fixed point theorems in metrically convex spaces Since p ... fixed point theorems for sequences of nonself multivalued operators in metrically convex metric spaces, Fixed Point Theory 4 (2003), no. 2, 143–158. [7] O. Had ˇ zi ´ c, On coinciden...

Ngày tải lên: 23/06/2014, 00:20

... Fixed point theorems and weak conver- gence theorems for generalized hybrid mappings in Hilbert spaces. Taiwanese J. Math. 14, 2497–2511 (2010) [7] Takahashi, W: Fixed point theorems for new nonlinear ... notice below). For information about publishing your research in Fixed Point Theory and Applications go to http://www.fixedpointtheoryandapplications.com/authors/instruct...

Ngày tải lên: 20/06/2014, 04:20