Báo cáo hóa học: " FIXED POINT THEOREMS IN CAT(0) SPACES AND R-TREES" ppt

... Nanjing University of Information Science and Technology, Nanjing 210044, China E-mail address: zhuxh@nuist.edu.cn 4 Fixed point theorems in generating spaces Lemma 2.9. Let (X,Q) be a generating ... point theorems) , play important role in nonlinear analysis. In classical case, many interesting extensions and important applications of these theorems were presented by F...

Ngày tải lên: 22/06/2014, 22:20

... is continuous and (i) for every x ∈ A the function K(x,·) is convex, and (ii) for every y ∈ B the function K(·, y) is concave. 4 Fixed point theorems 2. The fixed point theorems Before passing to ... set {x} is closed in X,andT 2 , or Hausdorff,ifany two distinct points in X have disjoint neighborhoods. If X, Y are topological spaces, Y is Hausdorff and f , g : X → Y are con...

Ngày tải lên: 22/06/2014, 22:20

... 537–558. [13] J. Reinermann and R. Sch ¨ oneberg, Some results and problems in the fixed point theory for non- expansive and pseudocont ractive mappings in Hilbert-space, Fixed Point Theory and Its Ap- plications ... and t ∈ [0,1], then f λt (x) = x and x ∈ [p, f (x)). FIXED POINT THEOREMS IN CAT(0) SPACES AND R-TREES W. A. KIRK Received 10 June 2004 We show...

Ngày tải lên: 23/06/2014, 00:20

... nonspreading mappings and asymptotic TJ map- pings. We prove fixed point theorems, ergodic theorems, demiclosed principles, and Ray’s type t heorem for a symptotic nonspreading mappings and asymptotic ... mappings contain some important classes of nonlinear mappings, like nonexpansive mappings and nonspreading mappings. We prove fixed point theorems, ergodic theorems, demi...

Ngày tải lên: 20/06/2014, 22:20

... theorems, ergodic theorems , demiclosed prin- ciples, and Ray’s type theorems for asymptotic nonspreading mappings and for asym p- totic TJ mappings in Hilbert spaces. 3.1: Fixed point theorems Theorem ... mappings contain some important classes of nonlinear mappings, like nonexpansive mappings and nonspreading mappings. We prove fixed point theorems, ergodic theore...

Ngày tải lên: 21/06/2014, 00:20

... 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 ∈ δK ⊆ TK, there exists a point x 2 ∈ ... A.AhmadandM.Imdad,On common fixed point of mappings and multivalued mappings,Rad. Mat. 8 (1992), no. 1, 147–158. [2] , Some common fixed point theorems for mappings and multi-...

Ngày tải lên: 23/06/2014, 00:20

... generalized hybrid mappings on CAT(0) spaces, and our results generalize some results of fixed point theorems on CAT(0) spaces and Hilbert spaces. Keywords: nonexpansive mapping, fixed point, generalized ... of a complete CAT(0) space always has a fixed point. Since then, the fixed point the ory for single-valued and multivalued mappings in CAT(0) spaces...

Ngày tải lên: 21/06/2014, 00:20

... below). For information about publishing your research in Fixed Point Theory and Applications go to http://www.fixedpointtheoryandapplications.com/authors/instructions/ For information about other SpringerOpen ... formatted PDF and full text (HTML) versions will be made available soon. Fixed point theorems on ordered gauge spaces with applications to nonlinear integral equat...

Ngày tải lên: 21/06/2014, 17:20

... formatted PDF and full text (HTML) versions will be made available soon. Fixed point and weak convergence theorems for point- dependent lambda-hybrid mappings in Banach spaces Fixed Point Theory and Applications ... below). For information about publishing your research in Fixed Point Theory and Applications go to http://www.fixedpointtheoryandapplications.com/aut...

Ngày tải lên: 20/06/2014, 04:20

... below). For information about publishing your research in Fixed Point Theory and Applications go to http://www.fixedpointtheoryandapplications.com/authors/instructions/ For information about other SpringerOpen ... acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. Fixed point theorems for contraction mappings in modular metric spaces...

Ngày tải lên: 20/06/2014, 21:20