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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

Afrikaans speakers should think differently, says Coenie de Villiers
2016-06-08

Description: Coenie de Villiers Tags: Coenie de Villiers

Coenie de Villiers was the speaker at the DF Malherbe
Memorial Lecture, held in the Equitas Building on the
University of the Free State Bloemfontein Campus on
24 May 2016.
Photo: Stephen Collett

Do not ask what can be done for your language, but what your language can do for others. With this adaptation of the late John F. Kennedy’s famous words, Coenie de Villiers stressed that the onus for the survival of their language rests with Afrikaans speakers.

According to the television presenter and singer, the real empowerment of Afrikaans does not necessarily take place in parliament. He was the speaker at the DF Malherbe Memorial Lecture, presented in the Equitas Building on the University of the Free State Bloemfontein Campus on 24 May 2016. The lecture by De Villiers, a UFS alumnus, was titled Is Afrikaans plesierig? ’n Aweregse blik.

Government not the only scapegoat
He used Kennedy’s famous phrase, Ask not what your country can do for you, but what you can do for your country, as framework. “I believe that, if we reverse our sights and do not ask what the world can do for Afrikaans, but ask for a change what Afrikaans – and in particular each and every user thereof – can do for others, then we have, in good English terms, ‘a fighting chance’ that Afrikaans will not only survive, but that it will thrive.” He said it would be too easy to just blame the government’s language policy and/or its lack of application for the language’s uncertainties.

Speakers should act correctly
He said the actions of speakers, sometimes motivated by a love for the language, often causes more damage. “It is not the language that should squirm under the microscope. It isn’t Afrikaans that is being tested: it is us, the speakers, writers, thinkers, doers, and tweeters of the language that are being measured.”
De Villiers believes one should stand up for your language without hesitation or fear, but not necessarily in the middle of the road, and never in such a way that you abandon the moral compass of humanity.

Language will live on

He told the audience that Afrikaans speakers should maintain their language every day with the merit, humanity, and respect that they believe the language – and they themselves – deserve. The language will “live on as long as we use it to laugh, and talk, and sing, and do not kill it off with rules and directives.”

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