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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

Wayde, Karla crowned as KovsieSport’s best
2015-10-21

 

The pride of KovsieSport. From the left, are: Ox Nche
(UFS Junior Sportman of the Year), Karla Mostert
(Senior Sportswoman of the Year), Wayde van Niekerk
(Senior Sportsman of the Year), and Brett Walraven
(on behalf of his sister, Nicole Walraven – Junior Sportswoman of the Year).
Photo: Hannes Naude

The journey does not belong to him alone, but to everyone at KovsieSport.

These were the words of University of the Free State’s (UFS) Wayde van Niekerk, after being named as KovsieSport’s Senior Sportsman of the Year on Wednesday 21 October 2015.

The South African sports star walked away with the award for the third consecutive year, while the Protea netball defender, Karla Mostert, was crowned Senior Sportswoman for the first time.

The Junior Bok, Ox Nche, and the Protea hockey player, Nicole Walraven, were named as Junior Sportsman and Junior Sportswoman of the Year respectively.

Nche represented South Africa’s U20 rugby team this year at the Junior World Championships, played for the Shimlas, and was named the UFS Rugby Club’s best junior player.

Walraven made her debut for South Africa in 2015. She was crowned jointly as the best player at the Provincial U21 tournament, and was also Hockey South Africa’s U21 Player of the Year.

Van Niekerk won gold in the 400 metres at the World Championships in Beijing, becoming only the fourth athlete in history to run the 400 m in less than 44 seconds, and the 200 metres in less than 20 seconds.

“This is precious, and something I will cherish as an athlete: being part of KovsieSport,” he said.

“I arrived at the UFS as a high school boy, started as a junior, and was accepted immediately.”

“I really appreciate everybody who played such a huge part in my life.”

Mostert was named as Player of the Series in the Brutal Fruit series, as well as the Varsity series this year. She was also a star for the Proteas at the World Cup.

“This (the award) is definitely a good way to end my time at Kovsies. This is something one is trying to achieve for years, so it really is a highlight.”

She said it was difficult to describe how much KovsieSport is doing for its athletes, and this was the reason why the UFS achieves so many successes in sport.


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