Let \(\varepsilon\) be the \(\sigma\)-ideal generated by closed measure zero sets of reals. We prove that, for \(\varepsilon\), their associated cardinal characteristics (i.e. additivity, covering, uniformity and cofinality) are pairwise different.
On the cardinal characteristics associated with \varepsilon
03.05.2022 15:00 - 16:30
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KGRC
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