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The Reduct of a Fuzzy \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\beta $$\end{document} -Covering

Authors
  • Mao, Lingling1
  • Wang, Jingqian2
  • Yu, Peiqiu3
  • 1 10300 China
  • 2 Shaanxi University of Science and Technology,
  • 3 Minnan Normal University,
Type
Published Article
Journal
Rough Sets
Publication Date
Jun 10, 2020
Volume
12179
Pages
193–203
Identifiers
DOI: 10.1007/978-3-030-52705-1_14
PMCID: PMC7338177
Source
PubMed Central
Keywords
License
Unknown

Abstract

This paper points some mistakes of three algorithms of updating the reduct in fuzzy \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\beta $$\end{document} -covering via matrix approaches while adding and deleting some objects of the universe, and gives corrections of these mistakes. Moreover, we study the reduct of a fuzzy \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\beta $$\end{document} -covering while adding and deleting objects further.

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