Three-Way Granular Approximations Based on Bisimulations
Received:March 01, 2020  Revised:March 11, 2021
Key Word: three-way decision   bisimulation   three-way approximation  
Fund ProjectL:Supported by the National Natural Science of China (Grant Nos.11526163; 61473181), the Research Fund of School of Economic, Northwest University of Political Science and Law (Grant No.19XYKY02), the Youth Academic Innovation Team in Northwest University of Political Science and Law, and the Young Academic Backbone of Chang'an in Northwest University of Political Science and Law.
Author NameAffiliation
Zhilian GUO School of Economics, Northwest University of Political Science and Law, Shaanxi 710063, P. R. China 
Hailong YANG School of Mathematics and Statistics, Shaanxi Normal University, Shaanxi 710119, P. R. China 
Lijuan ZHANG School of Mathematics and Statistics, Shaanxi Normal University, Shaanxi 710119, P. R. China 
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Abstract:
      In this paper, we propose three-way granular approximations (3WGAs) based on bisimulations. We discover the relationships between 3WGAs based on underlying relations and 3WGAs based on bisimilarity (the largest bisimulation induced by an underlying relation).
Citation:
DOI:10.3770/j.issn:2095-2651.2021.04.001
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