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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

A magnificent Winter Graduation Ceremony
2013-06-27

 

28 June 2013
Photo: Johan Roux

   Winter Graduation video (YouTube)

The way to immortalise a person, is to live by his example. PhD and master's graduates were imbued by the following message from Dr Khotso Mokhele, Chancellor of the University of the Free State (UFS), during the UFS Winter Graduation Ceremony: to follow Nelson Mandela's majestic example is to guarantee that his life was not in vain.

Dr Mokhele honoured the graduates for their achievements "that clearly did not come easy", referring to the sacrifices on their part and the role of their support structures.

He also praised members of the UFS' leadership team who contributed academically to the excellent standards. Prof Teuns Verschoor, former Vice-Rector: Institutional Affairs, and Prof Driekie Hay, Vice-Rector: Academic, were especially mentioned for their role as respectively co-promoter and promoter of two PhD graduates.

A total of 63 doctorates and 414 master's degrees were awarded to graduates from South Africa, Nigeria, Lesotho, Uganda and Zimbabwe on Thursday 27 June 2013.

On the previous day, the School of Open Learning kicked off the graduation event by conferring 320 qualifications.

The graduates, most of them full-time educators, received qualifications ranging from certificates to diplomas.

"I hope that you will plough back what you have learned and that this qualification will make you a better educator, an inspired one, one that will relentlessly put your efforts into increasing a better future for our children," Prof Hay said, highlighting challenges in South Africa's education system.

"Become enthused, obsessed and passionate to change the education system. Be the change agent in your schools to contribute in giving the quality education our children so desperately need," she said.

An exceptional moment at this year's graduation ceremony was when the two daughters of an academic, Prof Dave Lubbe of the Centre for Accounting, obtained their master's degrees. "It is indeed a highlight in my career that my daughters received their master's degrees cum laude at the same graduation ceremony, under my supervision!"

Prof Lubbe's two daughters, Nandi Lubbe and Leandi Steenkamp, both received their MCom with distinctions in Accounting. They completed their degrees under the supervision of Prof Lubbe and Nandi also won the Dean's medal as the best M student in the Faculty of Economic and Management Sciences.

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