Abstract
This article describes a rough subgroup with respect to a normal subgroup of a group, and some properties of the lower and the upper approximations in a group.
Language: English
Page range: 213 - 217
Published on: Jul 8, 2010
Published by: University of Białystok
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year
Related subjects:
© 2010 Xiquan Liang, Dailu Li, published by University of Białystok
This work is licensed under the Creative Commons License.