Jurnal Matematika: MANTIK
Vol. 8 No. 1 (2022): April - June

The Implementation of Rough Set on A Group Structure

Ananto Adi Nugraha (Universitas Lampung)
Fitriani Fitriani (Universitas Lampung)
Muslim Ansori (Universitas Lampung)
Ahmad Faisol (Universitas Lampung)

Article Info

Publish Date
28 Jun 2022

Abstract

Let be a non-empty set and an equivalence relation on . Then, is called an approximation space. The equivalence relation on forms disjoint equivalence classes. If , then we can form a lower approximation and an upper approximation of . If X⊆U, then we can form a lower approximation and an upper approximation of X. In this research, rough group and rough subgroups are constructed in the approximation space for commutative and non-commutative binary operations.

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Journal Info
Jurnal Matematika: MANTIK
Website

Abbrev

mantik

Publisher

Universitas Islam Negeri Sunan Ampel

Subject

Mathematics

Description

Jurnal Matematika MANTIK is a mathematical journal published biannually by the Mathematics Department, Faculty of Science and Technology, UIN Sunan Ampel Surabaya. Journal includes research papers, literature studies, analysis, and problem-solving in Mathematics (Algebra, Analysis, Statistics, ...