δ-closure, θ-closure and generalized closed sets Jiling Cao | Maximilian Ganster | Ivan L. Reilly | Markus Steiner | Show more Jiling Cao New Zealand University of Auckland Department of Mathematics Maximilian Ganster Austria Graz University of Technology Department of Mathematics Ivan L. Reilly New Zealand University of Auckland Department of Mathematics Markus Steiner Austria Graz University of Technology Department of Mathematics Submitted: 2013-11-26 | Accepted: 2013-11-26 | DOI: https://doi.org/10.4995/agt.2005.1964