Decomposition of Invariant Derivations as the Tensor Sum Form

Let A and B be C -algebras over a eld F, we show that every F-invariant derivation of A B can be represented as tensor sum = Δ id + id ∇ where id stands for theidentity operator, Δ and ∇ are derivations on A, B, respectively.

کلیدواژه ها:

Derivation ، Tensor Sum ، Invariant Subspace.