On left (θ,ϕ)-derivations in BCI-algebras

The notion of (regular) left (θ,ϕ)-derivations of a BCI-algebra is introduced, some useful examples are discussed, and related properties are investigated. Conditions for a left (θ,ϕ)-derivation to be regular are provided. The concepts of a d(θ,ϕ)-invariant left (θ,ϕ)-derivation and θ-ideal are intr...

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Bibliographic Details
Main Authors: G. Muhiuddin, Abdullah M. Al-roqi
Format: Article
Language:English
Published: SpringerOpen 2014-07-01
Series:Journal of the Egyptian Mathematical Society
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1110256X1300103X