Andrea Medini

activity

20092026

most citedSeven characterizations of non-meager P-filters

6 citations · 18 across the 19 of their papers we have counts for

collaborators

Showing 2021Show all

2 papers · 1 filter

math.GN2021

On the scope of the Effros theorem

Andrea Medini

All spaces (and groups) are assumed to be separable and metrizable. Jan van Mill showed that every analytic group $G$ is Effros (that is, every continuous transitive action of $G$ …

math.GN2021

Zero-dimensional $σ$ -homogeneous spaces

Andrea Medini, Zoltán Vidnyánszky

All spaces are assumed to be separable and metrizable. Ostrovsky showed that every zero-dimensional Borel space is $σ$ -homogeneous. Inspired by this theorem, we obtain the followin…

On the scope of the Effros theorem

Zero-dimensional σ-homogeneous spaces

Zero-dimensional $σ$ -homogeneous spaces