• Weighted centrality, and a further approach to categorical commutativity 

      Shaumbwa, Vaino Tuhafeni (Stellenbosch : Stellenbosch University, 2019-12)
      ENGLISH ABSTRACT: We investigate weighted commutators, that is, weighted subobject commutator and weighted normal commutator, as well as commutators in the sense of Huq, Higgins, Ursini and Smith, which are all special ...