More Abelian groups with free duals
In answer to a question of A. Blass, J. Irwin and G. Schlitt, a subgroup G of the additive group Z^{ omega} is constructed whose dual, Hom(G,Z), is free abelian of rank 2^{ aleph_0}. The question of w
In answer to a question of A. Blass, J. Irwin and G. Schlitt, a subgroup G of the additive group Z^{\omega} is constructed whose dual, Hom(G,Z), is free abelian of rank 2^{\aleph_0}. The question of whether Z^{\omega} has subgroups whose duals are free of still larger rank is discussed, and some further classes of subgroups of Z^{\omega} are noted.
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