Listar por tema "Dually embedded subgroup"
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On Local Quasi-Convexity as a Three-Space Property in Topological Abelian Groups
(Elsevier, 2021)[Abstract] Let X be a topological abelian group and H a subgroup of X. We find conditions under which local quasi-convexity of both H and results in the same property for X. This is true for instance if H is precompact, ...