• 제목/요약/키워드: vague homomorphism

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FUNDAMENTALS OF VAGUE GROUPS

  • OH, JU-MOK
    • Journal of applied mathematics & informatics
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    • 제39권5_6호
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    • pp.769-783
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    • 2021
  • Demirci ((1999) Vague groups. J. Math. Anal. Appl. 230, 142-156) introduced the concept of vague groups as one of uncertain reasoning structures where indistinguishable operators separate points. In this paper, we consider vague groups in which an indistinguishable operator does not need to separate points because it seems more appropriate to handle ambiguous situations. For our purposes we generalize or redefine some notions such as: vague closed subset, vague subgroup, vague kernel and vague injectiveness. Consequently we generalize most of the known results and obtain some new additional fundamental properties of vague groups, some of which are similar to ones of ordinary groups.