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Publication
Featured researches published by Kyoung-Ja Lee.
Communications of The Korean Mathematical Society | 2007
Kyoung-Ja Lee; Chul-Hwan Park
In this paper, we introduce the notion of a fuzzy ideal in subtraction algebras, and give some conditions for a fuzzy set to be a fuzzy ideal in subtraction algebras. We also pose three questions on fuzzy ideals of subtraction algebras.
Communications of The Korean Mathematical Society | 2006
Sun-Shin Ahn; Young Bae Jun; Kyoung-Ja Lee
As a generalization of ideals in subtraction algebras, the notion of rough ideals is discussed.
Honam Mathematical Journal | 2007
Sun-Shin Ahn; Kyoung-Ja Lee; Keum-Sook So
In this paper, we introduce the notion of a norm in Hilbert algebras, and discuss some properties of Cauchy sequences.
Journal of applied mathematics & informatics | 2009
Kyoung-Ja Lee; Chul-Hwan Park
Pure and Applied Mathematics | 2008
Kyoung-Ja Lee; Keum-Sook So; Keumseong Bang
Journal of applied mathematics & informatics | 2009
Kyoung-Ja Lee
Journal of applied mathematics & informatics | 2009
Young Bae Jun; Kyoung-Ja Lee; Mehmet Ali Öztürk
Pure and Applied Mathematics | 2009
Young Bae Jun; Kyoung-Ja Lee; Chul-Hwan Park
Journal of applied mathematics & informatics | 2008
Kyoung-Ja Lee; Young-Hee Kim; Yong-Uk Cho
Journal of applied mathematics & informatics | 2009
Young Bae Jun; Kyoung-Ja Lee; Chul-Hwan Park
