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Results tagged with abelian-groups
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user 66969
For questions about groups whose elements commute.
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vote
The center of a(n endomorphism) ring is a PID
Here are two results from the literature, found in Endomorphism Rings of Abelian Groups, p. 269. For these to be relevant, we need $\mathrm{End}(A)$ to be commutative.
Some terminology. A group is $A …
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