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27 May 2022 | Story Leonie Bolleurs | Photo Charl Devenish
Prof Tomas Vetrik
Prof Tomas Vetrik, Professor in the Department of Mathematics and Applied Mathematics, recently delivered his inaugural lecture on the UFS Bloemfontein Campus.

Prof Tomas Vetrik, Professor in the Department of Mathematics and Applied Mathematics at the University of the Free State (UFS), recently delivered his inaugural lecture on the Bloemfontein Campus.

His research area is graph theory, and he mainly focuses on the degree-diameter problem, graph indices, and metric dimension of graphs.

Research focus

According to Prof Vetrik, mathematics was always his favourite subject in school. He also excelled in maths at university and decided to enrol for a course on graph theory while working on his master’s degree. “I liked it, so I also chose topics from graph theory for my PhD thesis,” he says.

In 2014, at the age of 32, he was appointed Associate Professor at the UFS, after postdoctoral research at the University of KwaZulu-Natal and working at the University of Pretoria. An NRF-rated researcher, he has published close to 75 research papers, a third of that as a single author in some of the most well-known journals in his area. Moreover, he was also research supervisor of three PhD and three master’s students.

International collaborations

In the eight years since his appointment at the UFS, Prof Vetrik has made research visits to universities from 14 different countries that have invited him for research collaborations. 

“I am often overseas. I like working from different places. It is interesting to me, and it helps me to be productive,” says Prof Vetrik, explaining some of the inspiration behind his mathematical ideas.

In the next two years, he would like to study more general mathematical problems beyond his current research area.

He says he is addicted to his research. “It overshadows all my other interests.” 

On the rare occasion when he is not working on his research, Prof Vetrik states that he has to keep himself busy. Unable to relax and do nothing, he likes to do sports of some kind or to travel. 

“I am a simple person. I do not even have a TV at home. I use an old-fashioned mobile phone that cannot access the internet,” he says.


News Archive

Student organisation tackles difficult questions in debate
2012-05-12

 

At the debate were, from the left: Danie Jacobs, Head of the Centre for Business Dynamics, Mhlanganisi Madlongolwana, Nombuso Ndlovu and Prof. JP Landman.
Photo: Leatitia Pienaar

 

“South Africa is consumed by a monster, namely the lack of critical thinking and dialogue with regard to our problems. Now is the time to make radical changes.” This is according to Nombuso Ndlovu, who spoke at the first debate in a series of Commercio and the UFS Business School.

“Young people are more interested in social gatherings than applying their minds to the problems of South Africa,” she said. Nombuso is the CEO of Commercio.

Commercio is the student organisation in the Faculty of Economic and Management Sciences. Two teams, one positive and one negative, debated the topic: Is South Africa’s current economic direction viable?

What emerged from the debate was that our students are well-aware of what is going on in our economy and that people cannot just sit back and expect government to deliver. Every individual has a responsibility. South Africa has a “democratic deficit” society, a “corruption-stricken economy” and “economic activism” is necessary to get the economy on the right path.

Prof. JP Landman, Visiting Professor at the Business School, economic advisor, analyst, columnist and also managing director of the Aardklop Arts Festival, was the expert panel member. He said the critical issue in South Africa is “how do you distribute wealth while keeping things going?”

“It is fantastic that South Africans have developed a collective repulsiveness for corruption.” People must know what underpins society and where aggression comes from.
– Leatitia Pienaar.

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