Chol Kim’s research while affiliated with Dongguk University and other places

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Publications (1)


Rough set theory applied to fuzzy filters in BE-algebras
  • Article

July 2016

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38 Reads

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11 Citations

Communications of the Korean Mathematical Society

Sun Shin Ahn

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Chol Kim

The notion of a rough fuzzy filter in a BE-algebra is introduced and some properties of such a filter are investigated. The relations between the upper (lower) rough filters and the upper (lower) approximations of their homomorphism images are discussed.

Citations (1)


... Moradiana et al. [7] presented a definition of the lower and upper approximation of subsets of BCK-algebras concerning a fuzzy ideal (FI). Ahn and Kim [8] introduced the concept of rough fuzzy filters in BE-algebras, Ahn and Ko [9] introduced the concept of rough ideals and rough FIs in BCK/BCI-algebras, and Hussain et al. [10] introduced the concept of rough Pythagorean FIs in semigroups, while Chinram and Panityakul [11] introduced rough Pythagorean FIs in ternary semigroups and provided several of their remarkable properties. Jun et al. [12] studied the concept of a (strong) set-valued BCK/BCI-morphism and introduced the concept of a generalized 1. ...

Reference:

Rough and T-Rough Sets Arising from Intuitionistic Fuzzy Ideals in BCK-Algebras
Rough set theory applied to fuzzy filters in BE-algebras
  • Citing Article
  • July 2016

Communications of the Korean Mathematical Society