issue 02 publication date 2019-06-01

• Operator frame for $End_{mathcal{A}}^{ast}(mathcal{H})$
• Generalized hyperstability of the cubic functional equation in ultrametric spaces
• Irreducibility of the tensor product of Albeverio's representations of the Braid groups $B_3$ and $B_4$
• An accelerated gradient based iterative algorithm for solving systems of coupled generalized Sylvester-transpose matrix equations
• Some topological properties of fuzzy strong b-metric spaces
• On the duality of quadratic minimization problems using pseudo inverses
• Best proximity point theorems in 1/2−modular metric spaces