Let A be a prime ∗-algebra and a - Jordan triple derivation on A, that is, for every A;B;C ∈ A, (A⋄B⋄C) = (A)⋄B⋄C+A⋄(B)⋄C+A⋄B⋄(C); where A ⋄ B = AB + BA such that a complex scalar || ̸= 0; 1, and is additive. Moreover, if (I) is self-adjoint, then is a ∗-derivation.
