Relationships among Matroids Induced by Covering-Based Upper Approximation Operators
Received:March 13, 2017  Revised:May 17, 2018
Key Words: covering   matroid   rough set   upper approximation operator   indiscernible neighborhood   neighborhood   close friend  
Fund Project:Supported by the Research Foundation for Middle-aged and Young Scientist of Fujian Province (Grant No.JAT170731).
Author NameAffiliation
Lirun SU Teaching Sector of Chinese and Mathematical Studies,\\ Fuzhou University of International Studies and Trade, Fujian 350202, P. R. China 
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Abstract:
      
Citation:
DOI:10.3770/j.issn:2095-2651.2018.04.003
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