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Modern classes of fuzzy α-covering via rough sets over two distinct finite sets
AIMS Mathematics 2025, 10(2): 2131-2162
Published: 15 February 2025
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Following the research of Yang and Atef proposing new classes of fuzzy β-covering via rough sets types over 2-featured universes, we present some modern classes of fuzzy α-covering via rough sets over two distinct finite sets using fuzzy α-neighborhoods for two distinct points over 2-distinct finite universes. Throughout this research, we present the ideas of the fuzzy α-neighborhood system and the fuzzy α-neighborhood for two distinct points over two distinct finite sets and investigate the relations of the fuzzy α-neighborhood system, fuzzy α-minimal and α-maximal descriptions over two distinct finite sets. Moreover, some kinds of fuzzy α-neighborhoods are proposed. In addition, some new types of fuzzy α-coverings over two finite sets are established. Finally, numerous topological characteristics of fuzzy α-covering via rough set types are investigated.

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