Generalized Lower and Upper Approximations in Quantales

Qimei Xiao and Qingguo Li

Journal of Applied Mathematics, 2012, vol. 2012, issue 1

Abstract: We introduce the concepts of set‐valued homomorphism and strong set‐valued homomorphism of a quantale which are the extended notions of congruence and complete congruence, respectively. The properties of generalized lower and upper approximations, constructed by a set‐valued mapping, are discussed.

Date: 2012
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https://doi.org/10.1155/2012/648983

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnljam:v:2012:y:2012:i:1:n:648983

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