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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

RC members of Armentum not expelled from residence

2009-05-29

According to a memorandum of agreement that was concluded between the University of the Free State (UFS) and the Residence Committee (RC), the Senior Bond Committee and seniors of the Armentum Residence, the parties involved agreed, among others, that the RC members of this residence would not be expelled from the residence.

This follows an incident during which a first-year student from Armentum, Alex Marais, was injured because of alleged initiation and admitted to the Bloemfontein Medi-Clinic.

According to the agreement, the RC members will resign from their positions and not make themselves available for the next RC election, with the exception of Mr M.J. Pretorius, the RC member for Rag. He will stay on as unelected member of the interim RC. The UFS undertook to pay the RC that is stepping down their honorariums honorariums in August.

The UFS also gave permission to the Residence Head of Armentum, Adv. Bradley Smith, to appoint an interim RC for the remaining period of office of the current RC.

The Senior Bond must also undertake to submit the current rules of the Senior Bond Committee to the Acting Rector, Prof. Teuns Verschoor, before 1 June 2009. The Senior Bond Committee undertakes to comply strictly with these rules, also during Senior Bond activities.

In addition the Senior Bond Committee and the current Residence Committee must submit the following information to Prof. Verschoor before the reopening of the UFS for the second semester :
- The current orientation practices with regard to first-year students.
- Proposals on how the practices can be adjusted to render them enforceable within humane, reasonable, fair and humanitarian limits in order to implement and comply with the objectives of orientation, the exercising of control and the laying down of rules.

The compensating fine that was levied against the tuition fees accounts of senior students of Armentum, which would have been used to contribute to the medical costs of Alex Marais, is now cancelled.

This settlement is final and the parties will not lay any claims against each other as a result of this incident in future.

Media Release:
Mangaliso Radebe
Assistant Director: Media Liaison
Tel: 051 401 2828
Cell: 078 460 3320
Email: radebemt.stg@ufs.ac.za
29 May 2009

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