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标题：<svg style="vertical-align:-0.27pt;width:21.862499px;" id="M1" height="15.8625" version="1.1" viewBox="0 0 21.862499 15.8625" width="21.862499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,15.8625)"> <g transform="translate(72,-59.31)"> <text transform="matrix(1,0,0,-1,-71.95,59.63)"> <tspan style="font-size: 17.93px; " x="0" y="0">𝒩</tspan> </text> </g> </g> </svg>-Fuzzy Ideals in Ordered Semigroups
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作者：Asghar Khan ; Young Bae Jun ; Muhammad Shabir 等
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：2009
卷号：2009
DOI：10.1155/2009/814861
出版社：Hindawi Publishing Corporation
摘要：We introduce the concept of 𝒩-fuzzy left (right) ideals in ordered semigroups and characterize ordered semigroups in terms of 𝒩-fuzzy left (right) ideals. We characterize left regular (right regular) and left simple (right simple) ordered semigroups in terms of 𝒩-fuzzy left (𝒩-fuzzy right) ideals. The semilattice of left (right) simple semigroups in terms of 𝒩-fuzzy left (right) ideals is discussed.