Three-Way Granular Approximations Based on Bisimulations  

作　　者：Zhilian GUO Hailong YANG Lijuan ZHANG 

机构地区：[1]School of Economics,Northwest University of Political Science and Law,Shaanxi 710063,P.R.China [2]School of Mathematics and Statistics.Shaanxi Normal University,Shaanxi 710119,P.R.China

出　　处：《Journal of Mathematical Research with Applications》2021年第4期331-339,共9页数学研究及应用（英文版）

基　　金：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;the Young Academic Backbone of Chang’an in Northwest University of Political Science and Law

摘　　要：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).

关 键 词：three-way decision BISIMULATION three-way approximation 

分 类 号：O225[理学—运筹学与控制论]