• Products of Toeplitz operator on the weighted Bergman space of the unit ball

• Acyclic Edge Coloring of Planar Graphs without Adjacent Triangles

• Quasi-modular preserving rank one maps on Hilbert C*-modules

• Central Extension for the Triangular Derivation Lie algebra

• Generalized Jordan Derivations Associate with Hochschild 2-cocycles on Triangular Matrices