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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

Physical Planning lives in recaptured space
2014-06-18

When the Department of Physical Planning decided on a new office premises, the team decided to tackle the project with an overarching theme – recycling.

It is important for Physical Planning to not only dictate to other departments on campus, but to set the example themselves,” says Nico Janse van Rensburg, Director: Physical Planning at the UFS. 

Recaptured space

New office space on campus is simply not available. It was therefore decided to recover space and a store room was identified. “Fortunately, the storage area had ceilings. However, it was dilapidated and was sagging all over. To divert attention from the ceiling, we painted it in a dark colour and the walls white.

“All wiring was also done superficially. It draws the attention away from the uneven surfaces and simplifies work on the wiring. Instead of trying to hide it, we made a focal point of it,” says Janse van Rensburg.

Recycled building materials

Lots of the building material that was used to convert the storage space into offices, was recovered from other building projects on campus. Material that would normally be discarded was utilised creatively to not only serve a practical purpose, but also an aesthetic one.

A laboratory basin was used as wash basin. Remaining parts of granite slabs from other sites were utilised as top for the basin. Existing toilets were also reused. To enhance the atmosphere, new taps in an affordable, but durable range were installed.

Recycled furniture

We rambled through every possible store room to find furniture. Tables were simply sanded and varnished and look better than new. Even the cabinet at the entrance was saved from wind and weather and reused.

Hot and smart

Only one screen wall was built. It was left in raw brick, unplastered and unpainted to contribute to contrasting textures. Existing walls were left painted or unpainted as it was before.

“The environment that was created breaks down several existing perceptions. Such as the perception that everything has to match; everything has to be plastered and painted and many others. This is an example of how different materials can be combined to create a lively environment.

“Staff members have already moved into their new offices and are very satisfied,” says Janse van Rensburg. 

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