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Defect and Revision of Definition of Rough Group(PDF)

《南京师大学报(自然科学版)》[ISSN:1001-4616/CN:32-1239/N]

Issue:
2011年04期
Page:
39-42
Research Field:
数学
Publishing date:

Info

Title:
Defect and Revision of Definition of Rough Group
Author(s):
Wu Guobing1Huang Bing2
1.Jin Shen College,Nanjing Audit University,Nanjing 211815,China
Keywords:
rough setgrouprough group
PACS:
O159
DOI:
-
Abstract:
Rough set theory,proposed by Pawlak Z,has evoked a lot of researches. Theoretic study has included algebra aspect of rough sets. The concept of rough group was introduced firstly by Biswas R and Nanda S,but with some deficiencies remaining. The concept of rough group was improved by other researchers,but there is another shortcoming in the concept of rough group introduced by Biswas R and Nanda S. In this paper,we examine the defects of the definition of rough group initiated by Biswas R and Nanda S and its improvements,and present a new revision of rough group.

References:

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Last Update: 2013-03-21