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@inproceedings{Hart1990DiscreteSA, title={Discrete sets and the maximal totally bounded group topology *}, author={Klaas Pieter Hart and Jan van Mill}, year={1990} }

- Published 1990

Hart, K.P. and J. van Mill, Discrete sets and the maximal totally bounded group topology, Journal of Pure and Applied Algebra 70 (1991) 73-80. If G is an Abelian group, then G # is G with its maximal totally bounded group topology. We prove that every A c G# contains a closed (in G#) and discrete subset B such that lB1 = IAl. This answers a question posed by Eric van Douwen. We also present an example of a countable G’ having an infinite relatively discrete subset that is not closed.