• closedAccess   The Katětov construction modified for a T0T0-quasi-metric space 

      Sanchis López, Manuel; Künzi, Hans-Peter A. Elsevier (2012-02)
      We discuss the existence and uniqueness of a T0T0-quasi-metric space qUqU defined by the following three conditions: (i) qUqU is bicomplete and supseparable, (ii) every isometry between two finite subspaces of qUqU extends ...