issue 01 publication date 2016-06-01

• Existence and multiplicity of positive solutions for a class of semilinear elliptic system with nonlinear boundary conditions
• Subcategories of topological algebras
• Common fixed point results on vector metric spaces
• A note on quasi irresolute topological groups
• F-Closedness in Bitopological Spaces
• Probability of having $n^{th}$-roots and n-centrality of two classes of groups
• Recognition by prime graph of the almost simple group PGL(2, 25)