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math.GN2023
Selective separability properties of Fréchet-Urysohn spaces and their products
Serhii Bardyla, Fortunato Maesano, Lyubomyr Zdomskyy
In this paper we study the behaviour of selective separability properties in the class of Frechét-Urysohn spaces. We present two examples, the first one given in ZFC proves the exi…
math.GN2016★ 18 cited
Classifying locally compact semitopological polycyclic monoids
Serhii Bardyla
We present a complete classification of Hausdorff locally compact polycyclic monoids up to a topological isomorphism. A {\em polycyclic monoid} is an inverse monoid with zero, gene…