Secrecy logic: S-secrecy structures
On the order of weighted approximation by positive linear operators
C*-convexity and C*-faces in *-rings
A homotopy for a complex of free Lie algebras
Best simultaneous approximation in function and operator spaces
The character variety of a class of rational links
On $F_s$ -supplemented primary subgroups of finite groups
On the automorphisms of direct product of monogenic semigroups and monoids
Karim AHMADIDELIR, Hossein DOOSTIE