Published January 1, 2018 | Version v1
Journal article Open

Some Properties of Double Sequences and the P-Convergence of Doubly-Sequence Iterations with Error Terms in CAT(0) Spaces

  • 1. Sakarya Univ, Dept Math, TR-54050 Sakarya, Turkey
  • 2. Univ North Florida, Dept Math & Stat, Jacksonville, FL 32224 USA

Description

In this paper, we obtain some properties related to double sequences. Moreover, we prove some P-convergence theorems of some Halpern-type double-sequence iterations with error terms in a CAT(0) space and present an example to support these results. Our results extend and improve some recent results announced in the current literature.

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