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On Generalized Roughness in LA-Semigroupsopen access
- Issue Date
- Jul-2018
- Publisher
- MDPI
- Keywords
- roughness; generalized roughness; LA-semigroup
- Citation
- MATHEMATICS, v.6, no.7, pp.1 - 8
- Indexed
- SCIE
SCOPUS
- Journal Title
- MATHEMATICS
- Volume
- 6
- Number
- 7
- Start Page
- 1
- End Page
- 8
- ISSN
- 2227-7390
- Abstract
- The generalized roughness in LA-semigroups is introduced, and several properties of lower and upper approximations are discussed. We provide examples to show that the lower approximation of a subset of an LA-semigroup may not be an LA-subsemigroup/ideal of LA-semigroup under a set valued homomorphism.
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