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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

First-years welcomed to the Kovsie family

2017-01-30

Description: Prof Francis Petersen Tags: Prof Francis Petersen

Newly appointed Vice-Chancellor and Rector of the
University of the Free State, Prof Francis Petersen during
the first-year welcoming.
Photo: Charl Devenish

“How do you like my new blazer? Do you think these stripes suit me?” These were the words of the newly appointed Vice-Chancellor and Rector of the University of the Free State, Prof Francis Petersen, as he took to the stage in his #ProudlyKovsies blazer to welcome the 2017 first-years to the Kovsie family.

The event, which was also the start of the first-year Gateway Programme, took place on Saturday, 21 January 2017, and saw first-years and their parents make their way to the Red Square on the Bloemfontein Campus where they were formally welcomed.

UFS to produce world graduates
As newcomers, Prof Petersen wanted the fresh faces to feel welcome, to feel a sense of belonging. “You are now a Kovsie, and we want you to experience that Kovsie life until you graduate,” he told them.

During his speech, Prof Petersen reassured parents that the academic year would be completed and that the UFS would operate as an institution. He encouraged the students to absorb and gain knowledge and said the university would strive to ensure excellent knowledge. “At the UFS, we want to produce graduates for the world, and we need to ensure that we use our knowledge to uplift society,” he said.

Use differences to benefit from one another
KovsieFM presenters, Tshwaro Thothela and Gontse Choane played host to the gathering and Pura Mgolombane, Dean of Student Affairs, encouraged the first-years to use their differences to benefit from one another and to learn from this opportunity. “Make sure that the good that you do is for yourself, for others and for the university,” he said.

Prof Nicky Morgan, Acting Vice-Chancellor and Rector, welcomed Prof Petersen, his wife Cheslyn, and their two sons, Curtis and Clayton, to the UFS.

The newcomers also had an opportunity to visit their respective faculties and get to know the staff and facilities better.

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