Rendiconti del Circolo Matematico di Palermo

, Volume 48, Issue 3, pp 451–476 | Cite as

Ψ-density topology

  • Malgorzata Terepeta
  • Elzbieta Wagner-Bojakowska


We study the notion of ψ-density point and ψ-density topologies for non-decreasing continuous functions ψ. Also basic properties of ψ-approximately continuous functions are considered.


Real Line Pairwise Disjoint Measure Zero Density Point Euclidean Topology 


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Copyright information

© Springer 1999

Authors and Affiliations

  • Malgorzata Terepeta
    • 1
  • Elzbieta Wagner-Bojakowska
    • 1
  1. 1.Chair of real FunctionsLódź University ulLódźPoland

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