27 research outputs found
Pullback diagram of Hilbert -modules
In this paper, we generalize the construction of a pullback diagram
in the framework of Hilbert C*-modules and investigate some
conditions under which a diagram of Hilbert C*-modules is
pullback
Approximate Homomorphisms of Ternary Semigroups
A mapping between ternary semigroups will be
called a ternary homomorphism if . In this paper,
we prove the generalized Hyers--Ulam--Rassias stability of mappings of
commutative semigroups into Banach spaces. In addition, we establish the
superstability of ternary homomorphisms into Banach algebras endowed with
multiplicative norms.Comment: 10 page