• Publications
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Governance of Blockchain and Distributed Ledger Technology Projects
Blockchains are the most well-known example of a distributed ledger technology (DLT). Unlike classic databases, the ledger is not maintained by any central authority. The integrity of the ledger is
Kolmogorov Complexity and Symmetric Relational Structures
We study partitions of Fraiss6 limits of classes of finite relational structures where the partitions are encoded by infinite binary strings which are random in the sense of Kolmogorov-Chaitin. ?
Language Choices and Identity in Higher Education: Afrikaans-speaking Students at Unisa
Worldwide globalisation has led to the anglicisation of higher education. This is also the case in South Africa since the advent of a new dispensation. Whereas theorising and research on language
Harnessing artificial intelligence (AI) to increase wellbeing for all: The case for a new technology diplomacy
TLDR
It is argued that the prevention of malicious uses of AI and the enhancement of human welfare create strong common interests across jurisdictions that require sustained efforts to develop better, mutually beneficial approaches.
Zeno machines and hypercomputation
  • P. Potgieter
  • Mathematics, Computer Science
    Theor. Comput. Sci.
  • 6 December 2004
This paper reviews the Church-Turing Thesis (or rather, theses) with reference to their origin and application and considers some models of "hypercomputation", concentrating on perhaps the most
From design to action: Papua New Guinea’s latest state-owned enterprise policy
This article addresses policy developments concerning the structure, operation and performance of state-owned enterprises (SOEs) in Papua New Guinea. Of particular significance are reforms since 2014
Machine Learning and Forecasting: A Review
TLDR
The chapter considers critically the successes of machine learning in forecasting, using some case studies as well as theoretical considerations, including limitations on machine learning and other techniques for forecasting.
A Tale of Two Contact-Tracing Apps – Comparing Australia’s COVIDSafe and New Zealand’s NZ COVID Tracer
The Australian and New Zealand governments have recently released smartphone-based apps to complement contact tracing in the event that they face a resurgence o
Fractal asset returns, arbitrage and option pricing
Abstract In the discrete-time fractional random walk model a market with one risky asset affords an arbitrage opportunity as described by Cutland et al. [Cutland NJ, Kopp PE, Willinger W. Stock price
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