Nonexistence conjecture for generically universal Cantor sets

Let dd be a positive integer. A set is generically universal if every generic set—meaning a dense GδG_{\delta} set whose complement has Lebesgue measure zero—contains a linear and translated copy of it. Nonexistence conjecture. There are no generically universal Cantor sets on Rd\mathbb{R}^d. The paper proves non-universality for Cantor sets with positive Newhouse thickness in dimension one and for Newhouse projectively thick Cantor sets in higher dimensions; the general conjecture remains open.

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Primary source

John Gallagher, Chun-Kit Lai and Eric Weber, “On a topological Erdős similarity problem”, arXiv:2207.03077 (2022).

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