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17 August 2021 | Story Lunga Luthuli | Photo Supplied
Christina Mack – believes in praying for communities.

Leaving Rustenburg in the North-West for the Free State, Christina Mack’s life has changed for the better. Mack, a Housekeeping Manager on the University of the Free State (UFS) Bloemfontein Campus, believes in hard work and honesty – these are the principles she has lived by for many years. 

“I was fortunate to get a job as a cleaner at the university in 2006, a position I held until I was promoted to Housekeeping Manager in 2016.

“I believe in myself; I am a hard worker and because I am a manager, I always strive for honesty. When I have a challenging day – especially at work, I engage with colleagues with honesty.”

One of the many UFS women of quality, impact, and care, Mack says she is living the life she imagined through some powerful life lessons.  

“I have learnt that in life, you must appreciate everything that is good, have a vision, focus on education, and know your position. You must not only pray for yourself, but also for your community.”

Women who inspire her include her Line Manager, Ronell Kruger. “She encourages and supports me, and she is a hardworking woman. Ronell motivates her staff. In the team, she is a mentor and supports all of us.”

What worries her is the continued and high number of gender-based violence cases across the country. “Government should create platforms for men to be taught about taking care of women. Women deserve equal rights to their male counterparts.”

News Archive

Dr Abdon Atangana cements his research globally by solving fractional calculus problem
2014-12-03

 

Dr Abdon Atangana

To publish 29 papers in respected international journals – and all of that in one year – is no mean feat. Postdoctoral researcher Abdon Atangana at the Institute for Groundwater Studies at the University of the Free State (UFS) reached this mark by October 2014, shortly before his 29th birthday.

His latest paper, ‘Modelling the Advancement of the Impurities and the Melted Oxygen concentration within the Scope of Fractional Calculus’, has been accepted for publication by the International Journal of Non-Linear Mechanics.

In previously-published research he solved a problem in the field of fractional calculus by introducing a fractional derivative called ‘Beta-derivative’ and its anti-derivative called ‘Atangana-Beta integral’, thereby cementing his research in this field.

Dr Atangana, originally from Cameroon, received his PhD in Geohydrology at the UFS in 2013. His research interests include:
• the theory of fractional calculus;
• modelling real world problems with fractional order derivatives;
• applications of fractional calculus;
• analytical methods for partial differential equations;
• analytical methods for ordinary differential equations;
• numerical methods for partial and ordinary differential equations; and
• iterative methods and uncertainties modelling.

Dr Atangana says that, “Applied mathematics can be regarded as the bridge between theory and practice. The use of mathematical tools for solving real world problems is as old as creation itself. As written in the book Genesis ‘And God saw the light, that it was good; and divided the light from the darkness’, the word division appears here as the well-known method of separation of variables, this method is usually employed to solve a class of linear partial differential equations”.

“A mathematical model is a depiction of a system using mathematical concepts and language. The procedure of developing a mathematical model is termed mathematical modelling. Mathematical models are used not only in natural sciences, but also in social sciences such as economics, psychology, sociology and political sciences. These models help to explain systems and to study the effects of different components, and to make predictions about behaviours.”

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