issue 2 publication date 2016-12-01

• Some notes on the characterization of two dimensional skew cyclic codes
• Weakly irreducible ideals
• On two generalizations of semi-projective modules: SGQ-projective and $pi$-semi-projective
• The universal $mathcal{AIR}$- compactification of a semigroup
• I-prime ideals
• 2-D skew constacyclic codes over R[x, y; ρ, θ]