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Modified CQ-Algorithms for G-Nonexpansive Mappings in Hilbert Spaces Involving Graphs

Author

Listed:
  • W. Cholamjiak

    (School of Science, University of Phayao, Phayao 56000, Thailand)

  • D. Yambangwai

    (School of Science, University of Phayao, Phayao 56000, Thailand)

  • H. Dutta

    (Department of Mathematics, Gauhati University, Guwahati 781014, India)

  • H. A. Hammad

    (Department of Mathematics, Faculty of Science, Sohag University, Sohag 82524, Egypt)

Abstract

In this paper, we introduce four new iterative schemes by modifying the CQ-method with Ishikawa and S-iterations. The strong convergence theorems are given by the CQ-projection method with our modified iterations for obtaining a common fixed point of two G-nonexpansive mappings in a Hilbert space with a directed graph. Finally, to compare the rate of convergence and support our main theorems, we give some numerical experiments.

Suggested Citation

  • W. Cholamjiak & D. Yambangwai & H. Dutta & H. A. Hammad, 2020. "Modified CQ-Algorithms for G-Nonexpansive Mappings in Hilbert Spaces Involving Graphs," New Mathematics and Natural Computation (NMNC), World Scientific Publishing Co. Pte. Ltd., vol. 16(01), pages 89-103, March.
  • Handle: RePEc:wsi:nmncxx:v:16:y:2020:i:01:n:s1793005720500064
    DOI: 10.1142/S1793005720500064
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