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  • Van Zyl, Alexis J. (Stellenbosch : University of Stellenbosch, 2005-12)
    It was Wigner that in the 1950’s first introduced the idea of modelling physical reality with an ensemble of random matrices while studying the energy levels of heavy atomic nuclei. Since then, the field of Random Matrix ...
  • Kriel, Johannes Nicolaas (Stellenbosch : University of Stellenbosch, 2005-12)
    The goal of this thesis is the development and implementation of a non-perturbative solution method for Wegner’s flow equations. We show that a parameterization of the flowing Hamiltonian in terms of a scalar function ...