Ulm’s theorem for totally projective groups

Walker, Elbert A.

doi:10.1090/S0002-9939-1973-0311805-3

Ulm’s theorem for totally projective groups
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Proc. Amer. Math. Soc. 37 (1973), 387-392 Request permission

Abstract:

This paper simplifies the proof of Hill’s version of Ulm’s theorem for totally projective groups by giving one which in essence is the same as the Mackey proof for the countable case.

References

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On the classification of abelian groups

Ulm’s theorem for totally projective groups

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