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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

Student Council welcomes international students on campus

2017-03-16

Description: International students on Qwaqwa Campus Tags: International students on Qwaqwa Campus

Some of the guests and International Student
Council (ISC) members during the welcome
function. From the left are: Tatenda Goche (Deputy
Chairperson), Loice Nzombe (Chairperson),
Bulelwa Moikwatlhai (Office of International
Affairs), Jennifer Ashafa (Secretary), and
Takudzwa Nyamunda (Chairperson on the
Bloemfontein Campus)
Photo: Thabo Kessah

SRC President Njabulo Mwali says that the presence of international students on the Qwaqwa Campus is very welcome as it enables students from all over the world to learn from each other. He was addressing the International Student Council’s welcome function for international students.

“One important area where South African students can learn a lot from international students is hard work. It is an open secret that many of us, as South Africans, are not as persistent as we should be. We give up easily,” he said to an audience of students mainly from Zimbabwe, Kenya, Ethiopia, and Nigeria.

Speaking on behalf of the Rectorate, the Registrar: Systems and Administration, Dr Karen Lazenby, assured international students that the UFS is committed to their emotional and physical wellbeing.

International students face various challenges

“Having been an international student myself, I fully understand your various challenges. If you have any ideas on how we can make your stay here as memorable as possible, please help us to help you,” she said.

Both Drs Elsa Crause and Dipane Hlalele, respectively Campus Vice-Principal: Academic and Research and Acting Campus Vice-Principal: Support Services, congratulated students on choosing the Qwaqwa Campus.

“Our campus will give you many opportunities to reinvent yourself both as a person and a student,” Dr Crause said.

Dr Hlalele added: “International experience is fascinating as it does not only provide different types of knowledge and truth, it also enriches the campus with an African and international footprint.”

The Office of International Affairs also presented its services to students.

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