• Neighborhood system in concept lattice 

      Zhao, Xudong (2000)
      In this thesis, we apply and generalize the notion of neighborhood system from topology to study the relation between the concepts in a concept lattice. We classify all concepts in the concept lattice into various classes ...
    • On the spectrum G of a locally compact group G 

      Whitfield, John Brian (1999)
      Separation properties of the Fell topology, on the spectrum G of a locally compact group G, characterize important properties of G. We will develop three equivalent ways to describe the Fell topology on the spectrum  ...