Endomorphisms and Product Bases of the Baer-Specker Group

E. F. Cornelius

International Journal of Mathematics and Mathematical Sciences, 2009, vol. 2009, 1-9

Abstract:

The endomorphism ring of the group of all sequences of integers, the Baer-Specker group, is isomorphic to the ring of row finite infinite matrices over the integers. The product bases of that group are represented by the multiplicative group of invertible elements in that matrix ring. All products in the Baer-Specker group are characterized, and a lemma of László Fuchs regarding such products is revisited.

Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:396475

DOI: 10.1155/2009/396475

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