• 제목/요약/키워드: Common point

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SOME FIXED POINTS FOR EXPANSIVE MAPPINGS AND FAMILIES OF MAPPINGS

  • Liu, Z.;Feng, C.;Kang, S.M.;Kim, Y.S.
    • East Asian mathematical journal
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    • 제18권1호
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    • pp.127-136
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    • 2002
  • In this paper we obtain some fixed points theorems of expansive mappings and several necessary and sufficient conditions for the existence of common fixed points of families of self-mappings in metric spaces. Our results generalize and improve the main results of Fisher [1]-[5], Furi-Vignoli [6], $Is\'{e}ki$ [7], Jungck [8], [9], Kashara-Rhoades [10], Liu [13], [14] and Sharma and Strivastava [16].

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WEAK CONVERGENCE OF A HYBRID ITERATIVE SCHEME WITH ERRORS FOR EQUILIBRIUM PROBLEMS AND COMMON FIXED POINT PROBLEMS

  • Kim, Seung-Hyun;Lee, Byung-Soo
    • 한국수학교육학회지시리즈B:순수및응용수학
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    • 제21권3호
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    • pp.195-206
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    • 2014
  • In this paper, we consider, under a hybrid iterative scheme with errors, a weak convergence theorem to a common element of the set of a finite family of asymptotically k-strictly pseudo-contractive mappings and a solution set of an equilibrium problem for a given bifunction, which is the approximation version of the corresponding results of Kumam et al.

AN IMPLICIT ITERATION PROCESS FOR A FINITE FAMILY OF STRONGLY PSEUDOCONTRACTIVE MAPPINGS

  • Raflq, Arif;Lee, Byung-Soo
    • 한국수학교육학회지시리즈B:순수및응용수학
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    • 제16권3호
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    • pp.307-314
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    • 2009
  • The purpose of this paper is to establish a strong convergence of an implicit iteration process with errors to a common fixed point for a finite family of continuous strongly pseudocontractive mappings. The results presented in this paper extend and improve the corresponding results of References [2, 6, 11-12].

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M-퍼지거리공간에서의 공통 부동점정리 (A Common Fixed Point Theorem in M-Fuzzy Metric Spaces)

  • Park, Jin-Han;Park, Jong-Seo;Park, Yong-Beom;Lee, Bu-Young
    • 한국지능시스템학회:학술대회논문집
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    • 한국퍼지및지능시스템학회 2006년도 추계학술대회 학술발표 논문집 제16권 제2호
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    • pp.141-144
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    • 2006
  • In this paper, using the notion of generalized metric (or D-metric) due to Dhage [3], we give new definition of M-fuzzy metric spaces and prove a common fixed point theorem for two mappings under the condition of weak compatible and R-weakly commuting mappings in complete M-fuzzy metric spaces.

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TWO KINDS OF CONVERGENCES IN HYPERBOLIC SPACES IN THREE-STEP ITERATIVE SCHEMES

  • Kim, Seung Hyun;Kang, Mee Kwang
    • 한국수학교육학회지시리즈B:순수및응용수학
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    • 제28권1호
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    • pp.61-69
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    • 2021
  • In this paper, we introduce a new three-step iterative scheme for three finite families of nonexpansive mappings in hyperbolic spaces. And, we establish a strong convergence and a ∆-convergence of a given iterative scheme to a common fixed point for three finite families of nonexpansive mappings in hyperbolic spaces. Our results generalize and unify the several main results of [1, 4, 5, 9].

Algorithm of Common Solutions to the Cayley Inclusion and Fixed Point Problems

  • Dar, Aadil Hussain;Ahmad, Mohammad Kalimuddin;Iqbal, Javid;Mir, Waseem Ali
    • Kyungpook Mathematical Journal
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    • 제61권2호
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    • pp.257-267
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    • 2021
  • In this paper, we develop an iterative algorithm for obtaining common solutions to the Cayley inclusion problem and the set of fixed points of a non-expansive mapping in Hilbert spaces. A numerical example is given for the justification of our claim.

REMARKS ON CERTAIN NOTED COINCIDENCE THEOREMS: A UNIFYING AND ENRICHING APPROACH

  • Alam, Aftab;Hasan, Mohd.;Imdad, Mohammad
    • Nonlinear Functional Analysis and Applications
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    • 제26권5호
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    • pp.1059-1075
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    • 2021
  • In this paper, we unify and enrich the well-known classical metrical coincidence theorems on a complete metric space due to Machuca, Goebel and Jungck. We further extend our newly proved results on a subspace Y of metric space X, wherein X need not be complete. Finally, we slightly modify the existing results involving (E.A)-property and (CLRg)-property and apply these results to deduce our coincidence and common fixed point theorems.

STRONG AND ∆-CONVERGENCE THEOREMS FOR A COUNTABLE FAMILY OF MULTI-VALUED DEMICONTRACTIVE MAPS IN HADAMARD SPACES

  • Minjibir, Ma'aruf Shehu;Salisu, Sani
    • Nonlinear Functional Analysis and Applications
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    • 제27권1호
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    • pp.45-58
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    • 2022
  • In this paper, iterative algorithms for approximating a common fixed point of a countable family of multi-valued demicontractive maps in the setting of Hadamard spaces are presented. Under different mild conditions, the sequences generated are shown to strongly convergent and ∆-convergent to a common fixed point of the considered family, accordingly. Our theorems complement many results in the literature.