issue 2 publication date 2013-05-01

• On the spectra of some matrices derived from two quadratic matrices
• The least-square bisymmetric solution to a quaternion matrix equation with applications
• Optimal convex combinations bounds of centrodial and harmonic means for logarithmic and identric means
• Finite groups with three relative commutativity degrees
• Gorenstein flat and Gorenstein injective dimensions of simple modules
• Quasirecognition by the prime graph of L_3(q) where 3 < q < 100
• Existence of positive solutions for a boundary value problem of a nonlinear fractional differential equation
• On H-cofinitely supplemented modules
• Hyers-Ulam-Rassias stability of n-Jordan *-homomorphisms on C*-algebras
• Ore extensions of skew $pi$-Armendariz rings
• On the fixed point theorems in generalized weakly contractive mappings on partial metric spaces