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Prof Tomas Vetrik, addicted to maths research

27 May 2022 | Story Leonie Bolleurs | Photo Charl Devenish

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

Kovsie Netball team aims for first home final on Monday 12 October 2015

2015-10-09

Kovsies Netball has been unbeaten this year.

The University of the Free State (UFS) netball team is hoping to continue its good performance in the Varsity Sport series against the North-West University on Monday 12 October 2015 at 19:00, in order to reach the finals for a third consecutive year.

The teams will meet in the Callie Human Centre on the Bloemfontein Campus for a follow-up of last year’s semi-final. Kovsies won that that game in Bloemfontein with a score of 51-45.

If the home team prevails, they will be hosting a final for the first time.

The Kovsies, who were unbeaten this year, and finished at the top of the log, were the champions in the first two seasons, but had to play away from home in the final against Pukke in 2013 and Tuks in 2014.

The last league match they lost against Pukke was in 2013. The score in Pretoria was 47-60 in favour of the Pukke.

Many of the clashes between the teams have been very close games. Last year, there was a 45-45 draw in Potchefstroom.

In the first round of 2015 between Kovsies and Pukke in Bloemfontein, the UFS won by 47-38.

In their final league match in Stellenbosch on Monday 5 October 2015, Kovsies won against Maties by 41-33, while the Pukke, who ended fourth on the log, defeated the Madibaz 65-32 in Potchefstroom.

In the other semi-final on Monday, Tukkies and Maties, second and third respectively on the log, will play against each other in Pretoria. This match will be broadcast live on a big screen in the Callie Human Centre on Monday.

The Kovsie captain, Karla Mostert, who will be playing for Bath in England next year, is currently ahead on votes for Player of the Series. Last year, she was also Player of the Series. Fans may vote for her on the Varsity Sport Facebook page at https://www.facebook.com/varsitysportsSA.

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