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08 March 2022 | Story Andre Damons | Photo Sonia Small (Kaleidoscope Studios)
Prof Abdon Antangana
Prof Abdon Atangana, a Professor of Applied Mathematics in the Institute for Groundwater Studies at the University of the Free State (UFS) and South Africa’s top-ranked scientist in Mathematics, wants to prepare the next generation of African professors.

A new book written by Prof Abdon Atangana, Professor of Applied Mathematics at the Institute for Groundwater Studies at the University of the Free State (UFS), in collaboration with one of his students, on the flow of groundwater, suggests several new and modified models to better predict anomalous behaviours of the flow and the movement of pollution within complex geological formations.

Mathematical Analysis of Groundwater Flow Models is one of two books Prof Atangana published recently that he wrote with his students. The other, Fractional Stochastic Differential Equations: Applications to Covid-19 Modeling, provides a thorough conversation on the underpinnings of COVID-19 spread modelling. He wrote the book with a postdoctoral fellow, Dr Seda Araz Igret from SIIRT University, Turkey. Since 2016 he has published a total number of six books, some of which are still under evaluation by Springer and Elsevier.

Time to prepare next generation of African professors 

This highly cited researcher is excited about collaborating with his students on projects such as these as he feels it is time for him to prepare the way for the next generation of African professors. Prof Atangana is ranked at No 219 in the world rankings and No 1 in South Africa by Research.com, a leading academic platform for researchers. 

According to the platform, which recently released the 2022 Edition of its Ranking of Top 1000 Scientists in the field of Mathematics, the ranking is based on the H-index metric provided by Microsoft Academic and includes only leading scientists with an H-index of at least 30 for academic publications in the field of Mathematics.

“Both books are important for me because they are first-time published books with my own students. There is a time to prepare the way for yourself and a time to prepare ways for the next generation. It is time for me to prepare the way for the next generation of African professors. I wish that the next time this list (https://research.com/scientists-rankings/mathematics/za) [is released] many of my students [will] appear,” says Prof Atangana.

About his book with Dr Igret, he says it presents the dynamic of COVID-19 spread behaviour worldwide. It is noticed that the spread dynamic followed process with nonlocal behaviours, which resemble power law, fading memory, crossover, and stochastic behaviours. Fractional stochastic differential equations are therefore used to model spread behaviours in different parts of the world. 

“The content coverage includes a brief history of COVID-19 spread worldwide from December 2019 to September 2021, followed by statistical analysis of collected data for infected, death and recovery classes,” says Prof Atangana.

Mathematical analysis of Groundwater Flow Models serves as a valuable resource for graduate and PhD students as well as researchers working within the field of groundwater modelling, says Prof Atangana. It includes features such as:
• Modified numerical and analytical methods for solving new and modified models for groundwater flow and transport 
• New flow and transform models for groundwater transport in complex geological formations 
• Examination of fractal and crossover behaviours and their mathematical formulations

Top-ranking scientist 

Prof Atangana was also recently elected as a fellow of The World Academy of Sciences (TWAS) and received the World Academy of Sciences Award for Mathematics (TWAS -Mohammad A Hamdan, 2020) on 1 November 2021.

Very recently, he was also ranked No 1 in the world in Mathematics, No 186 in the world in all the fields, and No 1 in Africa in all the fields, according to the Stanford list of 2% single-year table.

He was also named among the top 1% of scientists on the global Clarivate Web of Science list. Fewer than 6 200 or 0.1% of the world’s researchers were included on this list in 2019, 2020 and 2021, with fewer than 10 of the scientists hailing from South Africa. 

“While my name is ranked No 1 in South Africa and No 219 in the world, this shows the impact of my research that has been done since 2013. It is worth noting that this ranking disadvantages younger researchers. For example, I got my first publication in 2013 but the researcher who was ranked No 1 started in 1972. To make the ranking fair, the total H-index should be divided by the number of years of publication. I am very proud to see that despite this disadvantage I am still topping in South Africa and am No 219 in the world.”

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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