• openAccess   Bounded Sets in Topological Spaces 

      Bors, Cristina; Ferrer, María V.; Hernández, Salvador MDPI (2022-02)
      Let G be a monoid that acts on a topological space X by homeomorphisms such that there is a point x0∈X with GU=X for each neighbourhood U of x0. A subset A of X is said to be G-bounded if for each neighbourhood U of x0 ...