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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

Knowledge in the blood
2009-08-05

Knowledge in the blood

The book Knowledge in the blood, by Prof. Jonathan Jansen, Rector and Vice Chancellor, is available at a bookstore on the Thakaneng Bridge.

Knowledge in the blood
Confronting race and the apartheid past
Professor Jonathan D. Jansen


978 1 91989 520 8
225 x 152mm
336 pages
Soft cover
May 2009
R250.00 (incl. VAT)
UCT Press
Southern African rights

This book tells the story of white South African students—how they remember and enact an Apartheid past. How is it that young Afrikaners, born at the time of Mandela’s release from prison, hold firm views about a past they never lived, rigid ideas about black people, and fatalistic thoughts about the future? Jonathan Jansen, the first black dean of education at the historically white University of Pretoria, was dogged by this question during his tenure, and Knowledge in the Blood seeks to answer it.

While Jansen originally set out simply to convey a story of how white students change under the leadership of a diverse group of senior academics, Knowledge in the Blood ultimately became an unexpected account of how these students in turn changed him.

“Brave, discerning, and deeply affecting. Bringing realism and rare moral generosity to the most difficult of conflicts, Jonathan Jansen illuminates the struggles faced by the inheritors of violence, as they move from pride and prejudice to a new and larger knowledge. An act of empathy as well as penetrating analysis, Knowledge in the Blood is an inspiring blueprint for thinking about social and personal transformation.”
—Eva Hoffman, author of After Such Knowledge

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