期刊名称：International Journal of Mathematics and Mathematical Sciences
印刷版ISSN：0161-1712
电子版ISSN：1687-0425
出版年度：2004
卷号：2004
DOI：10.1155/S0161171204306186
出版社：Hindawi Publishing Corporation
摘要：We consider the fuzzification of the notion of fuzzy multiply
positive implicative hyper BCK-ideals of
BCK-algebras and then some related results are
obtained. Using the concept of level subsets, we give a
characterization of a fuzzy multiply positive implicative hyper
BCK-ideal. We state a relation between a fuzzy hyper
BCK-ideal and a fuzzy multiply positive implicative
hyper BCK-ideal. Moreover, we introduce the notions
of Noetherian hyper BCK-algebras and hyper
homomorphisms of hyper BCK-algebras and investigate
some related properties. Finally, we introduce the concept of
hyper normalization of hyper BCK-algebras and
discuss related properties.
