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Maximal eventually different families for uniformly weak Ramsey ideals
Published 25 Dec 2024 in math.LO | (2412.18987v1)
Abstract: We study $\mathcal I$-maximal eventually different families of functions from the set of natural numbers into itself where $\mathcal I$ is an arbitrary ideal on the set of natural numbers that includes the ideal of all finite sets $\mathrm{fin}$. We introduce the class of uniformly weak Ramsey ideals and prove that there exists a closed $\mathcal I$-maximal eventually different family if $\mathcal I$ belongs to this class; this is the case for arbitrary $F_\sigma$ ideals and Fubini products $\mathrm{fin}{\alpha}$ with $\alpha<\omega_1$.
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