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Demiclosedness Principle for Total Asymptotically Nonexpansive Mappings in CAT(0) Spaces

Author

Listed:
  • Erdal Karapınar
  • Hero Salahifard
  • S. Mansour Vaezpour

Abstract

We prove the demiclosedness principle for a class of mappings which is a generalization of all the forms of nonexpansive, asymptotically nonexpansive, and nearly asymptotically nonexpansive mappings. Moreover, we establish the existence theorem and convergence theorems for modified Ishikawa iterative process in the framework of CAT(0) spaces. Our results generalize, extend, and unify the corresponding results on the topic in the literature.

Suggested Citation

  • Erdal Karapınar & Hero Salahifard & S. Mansour Vaezpour, 2014. "Demiclosedness Principle for Total Asymptotically Nonexpansive Mappings in CAT(0) Spaces," Journal of Applied Mathematics, John Wiley & Sons, vol. 2014(1).
    • Handle: RePEc:wly:jnljam:v:2014:y:2014:i:1:n:738150
    DOI: 10.1155/2014/738150
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    References listed on IDEAS

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    1. C. E. Chidume & E. U. Ofoedu, 2009. "A New Iteration Process for Approximation of Common Fixed Points for Finite Families of Total Asymptotically Nonexpansive Mappings," International Journal of Mathematics and Mathematical Sciences, Hindawi, vol. 2009, pages 1-17, December.
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