Cao, Jiling; Ganster, Maximilian; Reilly, Ivan L.; Steiner, Markus(Universitat Politècnica de València, 2005-04-01)
[EN] We study some new classes of generalized closed sets (in the sense of N. Levine) in a topological space via the associated δ-closure and θ-closure. The relationships among these new classes and existing classes of ...