Abstract:In this work we prove a new strong convergence result of the regularized successive approximation method given bywhere lim n→∞ q n = 0 andfor T a total asymptotically nonexpansive mapping, i.e., T is such thatwhere k 1 n and k 2 n are real null convergent sequences and φ : R + → R + is continuous and such that φ(0) = 0 and lim t→∞ φ(t) t ≤ C for a certain constant C > 0. Among other features, our results essentially generalize existing results on strong convergence for T nonexpansive and asymptotically nonexpa… Show more
“…It is called the CR iterative scheme. If we take α n = 0 the iterative process (3) reduces to S-iteration (2).…”
Section: Definition 11 ([8])mentioning
confidence: 99%
“…They [3] further studied the iterative approximation of fixed point for total asymptotically nonexpansive mappings using a modified Krasnoselskii-Mann iteration process. Iterative approximation of fixed points of total asymptotically non-expansive mappings has also been studied by [2,13,14,19].…”
In this paper, we establish strong and -convergence theorems of the modified hybrid-CR three steps iteration with perturbations for total asymptotically non-expansive mapping in CAT(0) spaces. Our results improve and extend the corresponding results from the current literature. We also provide three examples to illustrate the convergence behaviour of the proposed algorithm and numerically compare the convergence of the proposed iteration scheme with the existing schemes.
“…It is called the CR iterative scheme. If we take α n = 0 the iterative process (3) reduces to S-iteration (2).…”
Section: Definition 11 ([8])mentioning
confidence: 99%
“…They [3] further studied the iterative approximation of fixed point for total asymptotically nonexpansive mappings using a modified Krasnoselskii-Mann iteration process. Iterative approximation of fixed points of total asymptotically non-expansive mappings has also been studied by [2,13,14,19].…”
In this paper, we establish strong and -convergence theorems of the modified hybrid-CR three steps iteration with perturbations for total asymptotically non-expansive mapping in CAT(0) spaces. Our results improve and extend the corresponding results from the current literature. We also provide three examples to illustrate the convergence behaviour of the proposed algorithm and numerically compare the convergence of the proposed iteration scheme with the existing schemes.
“…Recently, many authors improved and generalized the results of Halpern [11] by means of different methods; see, for example, [2,4,10,[12][13][14][15][16][17] and the references therein. In general, there are two ways as follows.…”
Section: Introductionmentioning
confidence: 99%
“…Motivated and inspired by [2,4,10,[12][13][14][15][16][17], the purpose of this paper is to modify Halpern iteration (2) by means of both methods above for two total quasi--asymptotically nonexpansive mappings and then to prove the strong convergence in the framework of Banach spaces. The results presented in this paper extend and improve the corresponding results of Martinez-Yanes and Xu [15], Plubtieng and Ungchittrakool [16], Qin et al [17], and others.…”
The purpose of this paper is to establish some strong convergence theorems for a common fixed point of two total quasi-ϕ-asymptotically nonexpansive mappings in Banach space by means of the hybrid method in mathematical programming. The results presented in this paper extend and improve on the corresponding ones announced by Martinez-Yanes and Xu (2006), Plubtieng and Ungchittrakool (2007), Qin et al. (2009), and many others.
Abstract:In this paper, we introduce an iterative algorithm for solving the split common fixed point problem for a family of multi-valued quasinonexpansive mappings and totally asymptotically strictly pseudocontractive mappings, as well as for a family of totally quasi-φ-asymptotically nonexpansive mappings and k-quasi-strictly pseudocontractive mappings in the setting of Banach spaces. Our results improve and extend the results of Tang et al., Takahashi, Moudafi, Censor et al., and Byrne et al.
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