Maps preserving two-sided zero products on Banach algebras

Functional identities and their applications

“…In some papers, notably in [48] and [51], more direct connections between FIs and zpd algebras are examined. However, they deal with Banach algebras, so we will not discuss them in this algebraic paper.…”

Two-sided zero product determined algebras

“…We will not discuss applications in this short paper. Some indications of the usefulness of the concept of a 2-zpd algebra are given in [3, Section 7.1] and [4], and we hope to provide more evidence in the future.…”