• Enumeration of tanglegrams 

      Ravelomanana, Jean Bernoulli (Stellenbosch : Stellenbosch University, 2018-03)
      ENGLISH ABSTRACT : Tanglegrams are graphs obtained by taking two binary rooted trees with the same number of leaves and a perfect matching between the leaves of the two trees. Tanglegrams appear in biology in the study ...
    • Explicit bound on Siegel zeros of imaginary quadratic fields 

      Razakarinoro, Faratiana Brice (Stellenbosch : Stellenbosch University, 2019-12)
      ENGLISH ABSTRACT: Please refer to full text for abstract.
    • Properties of graph polynomials and related parameters 

      Misanantenaina, Valisoa Razanajatovo (Stellenbosch : Stellenbosch University, 2017-12)
      ENGLISH ABSTRACT : In this thesis, we investigate various problems related to graph polynomials. We first define two-variable polynomials for rooted trees and specific posets, which are motivated by the Tutte polynomial. ...
    • Small-world network models and their average path length 

      Taha, Samah M. Osman (Stellenbosch : Stellenbosch University, 2014-12)
      ENGLISH ABSTRACT: Socially-based networks are of particular interest amongst the variety of communication networks arising in reality. They are distinguished by having small average path length and high clustering ...