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    • I_σ-convergence 

      Nuray, Fatih; Gök, Hafize; Ulusu, Uğur (Department of Mathematics, University of Osijek, 2011)
      In this paper, the concepts of σ-uniform density of subsets A of the set N of positive integers and corresponding I_σ-convergence were introduced. Furthermore, inclusion relations between I_σ-convergence and invariant ...