[1] Iemoto S, Takahashi W. Approximating common fixed points of nonexpansive mappings and nonspreading mappings in a Hilbert space. Nonlinear Anal, 2009, 71:2080-2089 [2] Takahashi W. Fixed point theorems for new nonlinear mappings in a Hilbert space. J Nonlinear Convex Anal, 2010, 11:79-88 [3] Cholamjiak P, Cholamjiak W. Fixed point theorems for hybrid multivalued mappings in Hilbert spaces. J Fixed Point Theory Appl, 2017, 18:673-688 [4] Abkar A, Eslamian M. Common fixed point results in CAT(0) spaces. Nonlinear Anal, 2011, 74:1835-1840 [5] Bačak M, Reich S. The asymptotic behavior of a class of nonlinear semigroups in Hadamard spaces. J Fixed Point Theory Appl, 2014, 16:189-202 [6] Dhompongsa S, Kaewkhao A, Panyanak B. Lim's theorem for multivalued mappings in CAT(0) spaces. J Math Anal Appl, 2005, 312:478-487 [7] Kirk W A. Geodesic geometry and fixed point theory//Seminar of Mathematical Analysis (Malaga/Seville), Vol 64 of Colecc Abierta, 2002/2003:195-225. Seville, Spain:University of Seville, Secretary Publication, 2003 [8] Reich S, Salinas Z. Weak convergence of infinite products of operators in Hadamard spaces. Rend Circ Mat Palermo, 2016, 65:55-71 [9] Reich S, Salinas Z. Infinite products of discontinuous operators in Banach and metric spaces. Linear and Nonlinear Analysis, 2015, 1:169-200 [10] Shahzad N. Invariant approximations in CAT(0) spaces. Nonlinear Anal, 2009, 70:4338-4340 [11] Martinet B. Rgularisation dinquations variationnelles par approximations successives. Rev Fr Inform Rech Oper, 1970, 4:154-158 [12] Rockafellar R T. Monotone operators and the proximal point algorithm. SIAM J Control Optim, 1976, 14:877-898 [13] Bačak M. Convex Analysis and Optimization in Hadamard Spaces//Vol 22 of DeGruyter Series in Nonlinear Analysis and Applications. Berlin:De Gruyter, 2014 [14] Ariza-Ruiz D, Leustean L, Lopez G. Firmly nonexpansive mappings in classes of geodesic spaces. Trans Am Math Soc, 2014, 366:4299-4322 [15] Bruck R E, Reich S. Nonexpansive projections and resolvents of accretive operators in Banach spaces. Houston J Math, 1977, 3:459-470 [16] Eskandani G Z, Azarmi S, Eslamian M. Composition of resolvents and quasi-nonexpansive multivalued mappings in Hadamard spaces. Bult Iran Math Soc (In press) [17] Cholamjiak P. The modified proximal point algorithm in CAT(0) spaces. J Optim Lett, 2014, 9:1401-1410 [18] Chang S S, Yao J C, Wang L, Qin L J. Some convergence theorms involving proximal point and common fixed points for asymptotically nonexpansive mappings in CAT(0) spaces. Fixed Point Theory and applications, 2016, 2016:68 [19] Chang S S, Wen C F, Yao J C. Proximal point algorithms involvoing Cesàro type mean of asymptotically nonexpansive mappings in CAT(0) spaces. J Nonlinear Sci Appl, 2016, 9:4317-4328 [20] Goebel K, Reich S. Uniform Convexity, Hyperbolic Geometry and Nonexpansive Mappings. Series of Monographs and Textbooks in Pure and Applied Mathematics. Vol 83. New York:Dekker, 1983 [21] Ferreira O P, Oliveira P R. Proximal point algorithm on Riemannian manifolds. Optim, 2002, 51:257-270 [22] Papa Quiroz E A, Oliveira P R. Proximal point methods for quasiconvex and convex functions with Bregman distances on Hadamard manifolds. J Convex Anal, 2009, 16:49-69 [23] Adler R L, Dedieu J P, Margulies J Y, Martens M, Shub M. Newtons method on Reimannian manifolds and a geometric model for human spine. IMA J Numer Anal, 2002, 22:359-390 [24] Smith S T. Optimization techniques on Riemannian manifolds. in Fields Institute Communications. Providence, RI:Amer Math Soc, 1994,3:113-146 [25] Udriste C. Convex Functions and Optimization Methods on Riemannian Manifolds. Mathematics and its Applications. Vol 297. Dordrecht:Kluwer Academic, 1994 [26] Bridson M, Haefliger A. Metric Spaces of Nonpositive Curvature. Berlin:Springer, 1999 [27] Bruhat F, Tits J. Groupes rductifs sur un corps local:I. Données radicielles valuées. Publ Math Inst Hautes tudes Sci, 1972, 41:5-251 [28] Dhompongsa S, Kirk W A, Sims B. Fixed points of uniformly Lipschitzian mappings. Nonlinear Anal, 2006, 65:762-772 [29] Berg I D, Nikolaev I G. Quasilinearization and curvature of Alexandrov spaces. Geom Dedicata, 2008, 133:195-218 [30] Kirk W A, Panyanak B. A concept of convergence in geodesic spaces. Nonlinear Anal, 2008, 68:3689-3696 [31] Dhompongsa S, Kirk W A, Panyanak B. Nonexpansive set-valued mappings in metric and Banach spaces. J Nonlinear and Convex Anal, 2007, 8:35-45 [32] Dhompongsa S, Panyanak B. On △-convergence theorems in CAT(0) spaces. Comput Math Appl, 2008, 56:2572-2579 [33] Browder F E. Convergence theorems for sequences of nonlinear operators in Banach spaces. Math Z, 1967, 100:201-225 [34] Bruck R E. Nonexpansive projections on subsets of Banach spaces. Pac J Math, 1973, 47:341-355 [35] Jost J. Convex functionals and generalized harmonic maps into spaces of nonpositivecurvature. Comment Math Helv, 1995, 70:659-673 [36] Kopecká E, Reich S. Asymptotic behavior of resolvents of coaccretive operators in the Hilbert ball. Nonlinear Anal, 2009, 70:4145-4150 [37] Nadler S B. Multi-valued contraction mappings. Pacific J Math, 1969, 30:475-488 |