I PRIKLADNAYA MATEMATIKA
(FUNDAMENTAL AND APPLIED MATHEMATICS)
1996, VOLUME 2, NUMBER 2, PAGES 615-617
N. I. Kruchkov
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The notion of narrow (in the sense of Łos) group is generalized to topological abelian groups. The characterizations are proposed of a narrow group with respect to a given topology, in terms of subgroups, and also of groups which are narrow with respect to some topologies that are classical in the theory of abelian groups.
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