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11 January 2018 Photo Charl Devenish
UFS researcher publishes the highest-cited Maths paper in the world in 2017
An article by Prof Abdon Atangana from the University of the Free State’s Institute for Groundwater Studies received New Hot Paper status from Clarivate Analytics.

An article on Applied Mathematics, published by Prof Abdon Atangana from the University of the Free State’s Institute for Groundwater Studies in 2017, was recently named New Hot Paper by Clarivate Analytics.

Hot paper status
Essential Science Indicators (ESI) is a unique and comprehensive compilation of science performance statistics and science trends. Data is based on journal article publication counts and citation data from Clarivate Analytics that enables researchers to conduct ongoing, quantitative analyses of research performance and track trends in science. Covering a multidisciplinary selection of 1 2000+ journals from around the world, this in-depth analytical tool offers data for ranking papers, scientists, institutions, countries, and journals. 

ESI from Clarivate Analytics is updated every two months. The New Hot Papers, which are papers published in the past two years, are in the top one-tenth of one percent (0.1%) for their field and publication period. Prof Atangana’s paper had the highest cite count in the field of Mathematics. 

His article that received the New Hot Paper status is titled: “The new fractional derivative and application to nonlinear Fisher’s reaction-diffusion equation”.

The concept of fractional differential operators with non-singular kernel has captured the minds of several researchers in the past year due to their wider applicability in almost all fields of science, engineering and technology. The new fractional differential operators have opened new windows to model complex real-world problems that could not be modelled using the Newtonian and the well-known Riemann-Liouville fractional differential operators. 

“These operators are the way forward in modelling real-world problems in all disciplines, as they are able to include into mathematical formulation the effect of memory,” Prof Atangana said.

The Atangana-Baleanu fractional derivative
The professor developed a new fractional differential operator, called the Atangana-Baleanu fractional derivative. This derivative is able to describe real-world problems with different scales or problems that change their properties during time and space, for instance, the spread of cancer; the flow of water within heterogeneous aquifers, movement of pollution within fractured aquifers and many others.”

News Archive

Inaugural lecture explores the compatibility of commercial certainty and constitutionalism
2015-10-15

From the left: Prof Caroline Nicholson,
Prof Elizabeth Snyman van Deventer,
Justice Malcolm Wallis and Dr Lis Lange.

Justice Malcolm Wallis presented his inaugural lecture, entitled “Compatibility of commercial certainty and constitutionalism”, to the Faculty of Law on 17 September, 2015. The occasion was attended by faculty staff, students, and senior members of the Bloemfontein judiciary.

In her welcoming remarks, Prof Caroline Nicholson, Dean of the Faculty of Law at the UFS,  expressed the immense pride the faculty has in hosting such an occasion, and the remarkable work of Justice Wallis in the South African legal fraternity over his forty-year career.

Justice Wallis spoke of the constitution’s important role in ensuring that the law in commercial matters is enforced fairly without the prejudice or undue influence from the desire to obtain or preserve personal advantage. “Try, if you can, to conceive of a society in which commercial relationships are enforced and enforceable purely as a matter of discretion. Ask yourselves:  how would such a society function?” he said.

He reiterated that the role and the rule of law is to guide and protect parties in commercial transactions. It has considerable impact on society in how it is enforced. “Commercial disputes may seem to involve only the parties to the proceedings, but when they involve significant changes to established commercial law, their impact is inevitably wider. Such changes affect other agreements, other relationships, underlying financing transactions, and, in our modern world, contracts of insurance and reinsurance. The latter at least will always have an international dimension,” he said.

He explored specific judgements and the role the concept of “Ubuntu” played in delivering them, the fair enforcement of commercial law, and how this should be an integral part of South African law under the constitution.

 In closing, Justice Wallis stated that “in principle, the existence of a constitution and constitutional rights need not destabilise commercial law, or the reasonable expectations of business people.”

Justice Wallis has received numerous accolades locally and internationally during his long career, including his appointment as a Professor Extraordinary in the Department of Mercantile Law at the University of the Free State in 2014.



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