Approximation operators by using finite family of reflexive relations

Authors

  • Hassan Abu-Donia

  • Amgad Salama

Received date: March 22, 2015

Accepted date: April 20, 2015

Published date: May 17, 2015

DOI:

https://doi.org/10.14419/ijamr.v4i2.4517

Keywords:

Rough set, Lower approximations, Upper approximations, Right neighborhood, Reflexive relation, Accuracy measure

Abstract

In this paper, we generalize the two types of Yao’s lower and upper approximations, using finite number of reflexive relations. Moreover, we give a comparison between these types and study some properties.

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How to Cite

Abu-Donia, H., & Salama, A. (2015). Approximation operators by using finite family of reflexive relations. International Journal of Applied Mathematical Research, 4(2), 376-392. https://doi.org/10.14419/ijamr.v4i2.4517

Received date: March 22, 2015

Accepted date: April 20, 2015

Published date: May 17, 2015