Sums of automorphisms of a primary abelian group
Sums of automorphisms of a primary abelian group
This paper is concerned with the problem: For which abelian groups G does the group of automorphisms of G generate the ring of endomorphisms of G? R. S. Pierce has shown that if G is a 2-primary group, all of whose finite Ulm invariants are equal to one, then the …