Strong Convergence Theorem for Finite Family of Generalised Asymptotically Nonexpansive Maps

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Agatha Chizoba Nnubia, Sheila Amina Bishop

Abstract

Let K be a nonexpansive retract of a uniformly convex Banach space X with retraction P and Ti:1 · · ·,m: K-> X a finite family of uniformly continuous generalised asymptotically nonexpansive maps with a nonempty common fixed point set F. We provided and proved sufficient conditions for the strong convergence of a sequence of successive approximations generated by an m-step algorithm to a point of F.

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References

  1. Alber, Y., Chidume, C. E. and Zegeye, H., Approximating Fixed Points of Total Asymptotically Nonexpansive Mappings.Fixed Point Theory Appl., 2006(2006), article ID 10673.
  2. Chidume, C. E.; Geometric properties of Banach spaces and nonlinear iterations. Springer Verlag Series: Lecture Notes in Mathematics Vol. 1965(2009) XVII, 326p.
  3. Goebel, K. and Kirk, W.A., A Fixed Point Theorem for Asymptotically Nonexpansive Mappings. Proc. Amer. Math. Soc. 35(1972), 171-174.
  4. Isiogugu, F.O. and Osilike, M.O., Fixed Point and Convergence Theorems for Certain Classes of Mappings.J. Nigerian Math. Soc., 31(2013), 147-165.
  5. Lim, T.C. and Xu, H.K., Fixed Point Theorems For Asymtotically Nonexpansive Mappings. Nonlinear Anal., Theory Methods Appl., 22(1994), 1345-1355.
  6. Moore, C. and Nnoli, B.V.C., Strong Convergence of Averaged Approximants for Lipschitz Pseudocontrative Maps. J. Math. Anal. Appl., 260(2006), 169-178.
  7. Moore, C. and Ofoedu, E. U., Convergence of Iteration Process to Random Fixed Points of Uniformly L- Lipschitzian Asymptotically Hemi-contractive Random Maps in Banach Spaces. J. Nigerian Math. Soc., 25(2006), 87-94.
  8. Ofoedu, E.U. and Nnubia, A.C., Approximation of minimum-norm fixed point of total asymptotically nonexpansive mapping. Afrika Matematika, 26(2015), 699-715.
  9. Osilike, M.O. and Shehu,Y., Explicit Averaging Cyclic Algorithm for Common Fixed Points of Asymptotically Strictly Pseudocontractive Maps. Appl. Math. Comput., 213(2009), 584-553.
  10. Osilike, M.O. and Shehu,Y., Explicit Averaging Cyclic Algorithm for Common Fixed Points of Asymptotically Strictly Pseudocontractive Maps in Banach Spaces. Computers Math. Appl., 57(2009), 1502-1510.
  11. Okeke, G.A., Bishop, S. A. and Khan, S.H., Iterative Approximation of Fixed Point of Multivalued Ï-Quasi-Nonexpansive Mappings in Modular Function Spaces with Applications. J. Funct. Spaces, 2018(2018), Article ID 1785702.
  12. Takahashi, W., Nonlinear Functional Analysis- Fixed point theory and applications. Yokohanna publisher inc. Yokohanna, (2000).
  13. Zegeye, H. and Shahzad, N., Strong Convergence of an Implicit Iteration Process for a Finite Family of Generalised Asymptotically Quasi- Gonexpansive Maps, Appl. Math. Comput., 189(2007), 1058-1065.
  14. Zegeye, H. and Shahzad N., Approximation of the common minimum-norm fixed point of a finite family of asymptotically nonexpansive mappings, Fixed Point Theory Appl., 2013(2013), Article ID 1.