Báo cáo hóa học: " Common fixed point and invariant approximation in hyperbolic ordered metric spaces" pptx

... Abbas et al.: Common fixed point and invariant approximation in hyperbolic ordered metric spaces. Fixed Point Theory and Applications 2011 2011:25. Abbas et al. Fixed Point Theory and Applications ... study common fixed points of (i) four mappings on an ordered metric space (ii) ordered C q -commut- ing mappings in the frame work of hyperbolic or...

Ngày tải lên: 21/06/2014, 01:20

... [3], Guseman and Peters [4], Habiniak [5], Hussain and Khan [6], Hussain et al. [7], Khan and Khan [9], Sahab et al. [13], Shahzad [14–18], and Singh [19]. 2. Common fixed point and approximation ... Fixed point theorems and invariant approximations, Journal of Approximation The- ory 56 (1989), no. 3, 241–244. [6] N. Hussain and A. R. Khan, Common fixed -point res...

Ngày tải lên: 22/06/2014, 22:20

... proved the following interesting fixed point theorem for a weak contraction. Hussain and Alotaibi Fixed Point Theory and Applications 2011, 2011:82 http://www.fixedpointtheoryandapplications.com/content/2011/1/82 © ... X × X is a coupled fixed point of F if and only if x Î F(x,y) and y Î F(y, x). Hussain and Alotaibi Fixed Point Theory and Applications 2011, 2011:8...

Ngày tải lên: 20/06/2014, 22:20

... nonlinear contractions in partially ordered metric spaces. The main idea in 1, 20, 26 involve combining the ideas of iterative technique in the contraction mapping principle with those in the ... concept of g-monotone mapping is introduced, and some fixed and common fixed point theorems for g-non-decreasing generalized nonlinear contractions in partially ordered comple...

Ngày tải lên: 21/06/2014, 23:20

... X and A ⊆ X. Let f and T be selfmaps of M. A point x Î M is called a fixed point of f if fx = x. The set of all fixed points of f is denoted by F(f). A point x Î M is called a coincidence point ... Fixed point and common fixed point theorems for generalized weak contraction mappings of integral type in modular spaces. Int J Math Math Sci 2011, 12 (2011). Article...

Ngày tải lên: 20/06/2014, 22:20

... nonlinear contractions in ordered partial metric spaces. Fixed Point Theory and Applications 2011 2011:71. Samet et al. Fixed Point Theory and Applications 2011, 2011:71 http://www.fixedpointtheoryandapplications.com/content/2011/1/71 Page ... in partial metric fixed- point theory. The aims of this paper is to establish coincidence and common fixed- point theor...

Ngày tải lên: 20/06/2014, 22:20

... Î X. Then f, g, and h have a common fixed point in X. Moreover, any fixed point of f is a fixed point g and h and conversely. Proof. Suppose x 0 is an arbitrary point in X.Define{x n }byx 3n+1 = ... Then f, g, and h have a unique common fixed point in X. More- over, any fixed point of f is a fixed point g and h and conversely. Proof. Suppose x 0...

Ngày tải lên: 20/06/2014, 22:20

... [0,1] and d(x, y) =|x − y|.Define f (x) = 2x − x 2 and g(x) = x 2 . The common fixed points of f and g are 0 and 1 and are their only coincidence points. In general fg= gf, but since f and g clearly ... concept of diminishing orbital diameters, which was introduced by Belluce and Kirk [1] in 1969. They introduced the concept of mappings with diminishing orbital diameters to...

Ngày tải lên: 23/06/2014, 00:20

... nonexpansive and affine. If T and I are 1-subcommutative maps, then T and I have a common fixed point provided Al-Mezel Fixed Point Theory and Applications 2011, 2011:99 http://www.fixedpointtheoryandapplications.com/content/2011/1/99 © ... space. Then, f and T have a common fixed point. Al-Mezel Fixed Point Theory and Applications 2011, 2011:99 http://www.fixe...

Ngày tải lên: 20/06/2014, 21:20

... A common fixed point of weakly commuting multi-valued mappings. Math Japon. 33(5):741–744 (1988) 11. Sessa, S, Rhoades, BE, Khan, MS: On common fixed points of compatible mappings in metric and ... 0 or X is an Opial’s space. Then, f and T have a common fixed point. Al-Mezel Fixed Point Theory and Applications 2011, 2011:99 http://www.fixedpointtheoryandapplicati...

Ngày tải lên: 20/06/2014, 21:20