Canad. Math. Bull. 40(1997), 183-192
Printed: Jun 1997
A characterisation of the range of a homomorphism between two
commutative group algebras is presented which implies, among other
things, that this range is closed. The work relies mainly on the
characterisation of such homomorphisms achieved by P.~J.~Cohen.
43A22 - Homomorphisms and multipliers of function spaces on groups, semigroups, etc.
22B10 - Structure of group algebras of LCA groups
46J99 - None of the above, but in this section