Communications of the
Korean Mathematical Society
CKMS

ISSN(Print) 1225-1763 ISSN(Online) 2234-3024

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Commun. Korean Math. Soc. 2012; 27(1): 1-6

Printed March 1, 2012

https://doi.org/10.4134/CKMS.2012.27.1.1

Copyright © The Korean Mathematical Society.

Answers to Lee and Park's questions

Min Su Kang

Hanyang University

Abstract

In [K. J. Lee and C. H. Park, $Some$ $questions$ $on$ $fuzzifications$ $of$ $ideals$ $in$ $subtraction$ $algebras$, Commun. Korean Math. Soc. $\bf 22$ (2007), no. 3, 359--363], Lee and Park posed three questions. In this paper, the affirmative answers to their questions are provided, and characterizations of fuzzy ideals are investigated.

Keywords: subtraction algebra, ideal, fuzzy ideal

MSC numbers: 03G25, 08A72