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1.
Notes on ¡°the lower and upper approximations in a fuzzy group¡± and ¡°rough ideals in semigroups¡±

Information Sciences, Volume 177, Issue 22, 15 November 2007, Pages 5134-5140

Wei Cheng, Zhi-Wen Mo, Jue Wang

2.
A note on locally bounded L-topological vector spaces

Information Sciences, Volume 179, Issue 11, 13 May 2009, Pages 1792-1794

Hua-Peng Zhang, Jin-Xuan Fang

3.
Note on ¡°Generalized rough sets based on reflexive and transitive relations¡±

Information Sciences, Volume 179, Issue 4, 1 February 2009, Pages 471-473

Hua-Peng Zhang, Yao Ouyang, Zhudeng Wang

3.
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1.  ±êÌâ: Notes on ''the lower and upper approximations in a fuzzy group'' and ''rough ideals in semigroups''
×÷Õß: Wei Cheng; Zhi-Wen Mo; Jue Wang
À´Ô´³ö°æÎï: Information Sciences   Ò³: 5134-40   ³ö°æÄê: 11 2007 15 Nov. 2007
  
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Notes on ''the lower and upper approximations in a fuzzy group'' and ''rough ideals in semigroups''
  
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×÷Õß: Wei Cheng; Zhi-Wen Mo; Jue Wang  
À´Ô´³ö°æÎï: Information Sciences ¾í: 177  ÆÚ: 22  Ò³: 5134-40  ³ö°æÄê: 15 November 2007   
ÕªÒª: In this note, we show by examples that Propositions 2.4 and 2.5 in [N. Kuroki, P.P. Wang, The lower and upper approximations in a fuzzy group, Information Sciences 90 (1996) 203] and Theorem 2.5 in [N. Kuroki, Rough ideals in semigroups, Information Sciences 100 (1997) 139] are incorrect and offer their modified versions.[All rights reserved Elsevier].  
Èë²ØºÅ: 9637198  
ÎÄÏ×ÀàÐÍ: Journal Paper  
ÓïÑÔ: English  
´¦ÀíÀàÐÍ: Theoretical or Mathematical  
ÊÜ¿ØË÷Òý: fuzzy set theory; group theory; rough set theory  
·ÇÊÜ¿ØË÷Òý: normal subgroup; rough sets theory; semigroups; fuzzy group  
·ÖÀà´úÂë: A0220 Group theory; A0210 Algebra, set theory, and graph theory; B0250 Combinatorial mathematics; B0210 Algebra; C1160 Combinatorial mathematics; C1110 Algebra  
×÷ÕßµØÖ·: Wei Cheng; Univ. of Electron. Sci. & Technol. of China, Chengdu, China  
³ö°æÉÌ: Elsevier Science Publishing Co. Inc., USA  
²Î¿¼ÎÄÏ×Êý: 4  
CODEN: ISIJBC  
ISSN: 0020-0255  
ÎÄÏ׺Å: S0020-0255(06)00368-9  
DOI: 10.1016/j.ins.2006.12.006
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