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A disformally coupled quintessence mimicking the ΛCDM background
Published 2023“…Although the currently-accepted Concordance model of the Universe has been very successful observationally, it cannot resolve two main issues. …”
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The influence of the South African learner progression policy on learners in the FET phase
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Investigating the phase space dynamics of conservative dynamical systems by the Lagrangian descriptors method
Published 2024“…Firstly, we use the method of LDs to study the escape of stars in an analytic model of a rotating galaxy. We find that the LDs are able to visually describe the lobe structure of manifolds which govern the escape of stars, thereby providing a computationally cheap and simple way to depict and analyse the model's phase space structures. …”
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The management and development of multi-cultural social work practice in the South African National Defence Force
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Global dynamics of the universe
Published 2023“…The existence of topologically different but locally identical solutions of Einstein's equations is well known, and not surprising considering the differential structure of these equations. also discuss the occurrence of Hawking radiation in topologically different black-hole geometries. …”
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Geomagnetically induced currents (GIC) in large power systems including transformer time response
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Parents' experiences of an intervention on parent support for children with colour vision deficiency
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Theoretical and numerical aspects of problems in finite-strain plasticity
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Testing General Relativity with the next generation of cosmological surveys
Published 2019“…This yield new observables which gives independent insights regarding the peculiar velocity of galaxies, the growth of structure of the Universe etc.…”
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Fault tolerant adaptive control of an unmanned aerial vehicle
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A computer vision framework towards automated scene understanding & analysis
Published 2025“…Subsequently, to further assess the framework’s performance and applicability, it is applied to a novel case study dataset provided by an industry partner, containing images of appliances common in an educational institution. The framework facilitates hyperparameter tuning to determine the best parameters for each model being trained. …”
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Competitive intelligence failures from the perspective of information behaviour
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Peculiar flow fields in the zone of avoidance from the near-infrared Tully-Fisher relation
Published 2017“…We used a Bayesian mixture model to derive conversion equations between these five widths, which will be used to combine data sets of differently-derived linewidths. …”
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