University of Debrecen Electronic Archive

Browsing by Subject "közelítő halmazelmélet"

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  • Csajbók, Zoltán Ernő (2012-05-09)
    The subject of the thesis is the set approximation. First, in the early 1980's, Z. Pawlak raised the question what would happen if the subsets of a ground set should be approximated by a beforehand predefined family of ...