A note on “Generalized fuzzy rough approximation operators based on fuzzy coverings”

  • Authors:

  • Zhiming Zhang;Jingfeng Tian;Yunchao Bai

  • Affiliations:

  • College of Mathematics and Computer Science, Hebei University, Baoding 071002, PR China;Science and Technology College, North China Electric Power University, Baoding 071051, PR China;College of Economics, Hebei University, Baoding 071002, PR China

  • Venue:
  • International Journal of Approximate Reasoning
  • Year:
  • 2011

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Abstract

In this note, we show by examples that Theorem 5.3, partial proof of Theorem 5.3', Lemma 5.4 and Remark 5.2 in [1] contain slight flaws and then provide the correct versions.