Abstract
We give some sufficient conditions for the set \({R(\{\pm f_{x} : x \in G\})}\) to be dense in \({L^{2}(G)}\), where G is a locally compact abelian group.
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Tabatabaie, S.M. The problem of density on \({L^{2}(G)}\) . Acta Math. Hungar. 150, 339–345 (2016). https://doi.org/10.1007/s10474-016-0641-y
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DOI: https://doi.org/10.1007/s10474-016-0641-y