Chen-Mertens, William; Corral-Rojas, Cesar Ismael; Szeptycki, Paul J.(Universitat Politècnica de València, 2023-10-02)
[EN] We answer questions of Arhangel'skiĭ using spaces defined from combinatorial objects. We first establish further convergence properties of a space constructed from □ ( κ ) showing it is Fréchet-Urysohn for finite sets ...