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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.


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UFS chemist invited by UNESCO to present lecture at World Science Forum in Budapest
2015-12-07

From the left are: Dr Jean-Paul Ngome Abiaga from UNESCO, France; Abdoulaye Ibrahim, also from UNESCO in France; and Truidie Venter, a young scientist from the Department of Chemistry at the UFS.
Photo: Supplied

Dr Truidie Venter, a young scientist from Inorganic Chemistry in the Department of Chemistry at the University of the Free State (UFS), returned recently from presenting a lecture at the 7th World Science Forum, held in Budapest, Hungary. She was one of the few young researchers world-wide who were invited to attend the forum.

In her capacity as a young female researcher from Africa, Truidie was invited by UNESCO to present her views on science in diplomacy at this event. Her talk focused on collaboration between researchers from different countries, and the challenges faced by young researchers in Africa, and served to initiate discussions between young researchers concerning international, interdisciplinary scientific cooperation.

The Science Forum, an international conference dedicated to science and knowledge, was held in Budapest from 4-7 November 2015. This interdisciplinary gathering is supported by the United Nations Educational, Scientific and Cultural Organization (UNESCO), the International Council for Science (ICSU), and other partners, and is aimed at providing an occasion for representatives of science, politics, international organisations, industrial and financial decision makers, international science forums, and science academies to meet and exchange views.

More than nine hundred delegates from 108 countries took part in this event. The speakers included Her Royal Majesty Princess Sumaya Bint El Hassan, President of the Royal Scientific Society of Jordan, Dr Irina Bokova, the Director-General of UNESCO, Prof Sir Peter Gluckman, first Chief Science Advisor to the Prime Minister of New Zealand, Prof Ene Ergma, former President of the Riigikogu (Estonian Parliament), and Ms Naledi Pandor, Minister of Science and Technology of South Africa.

At the conclusion of the forum, a declaration was accepted regarding the renewal of the scientific community’s commitment to the responsible and ethical use of scientific knowledge in addressing the grand challenges of humankind. This declaration addressed the headings of climate change, new sustainable development paths, disaster risk reduction, scientific advice for policies, international collaboration for capacity-building and mobilisation in the developing world, and balanced investment in science.

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