Topological complexity of ideal limit points

Marek Balcerzak, Szymon Glab, Paolo Leonetti

Given an ideal $\mathcal{I}$ on the nonnegative integers $\omega$ and a Polish space $X$, let $\mathcal{L}(\mathcal{I})$ be the family of subsets $S\subseteq X$ such that $S$ is the set…