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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

Sport results: Tennis, Netball, badminton, athletics
2009-05-05

During the Mega-intervarsity Tournament held at Sun City last week, both the University of the Free State’s (UFS) men’s and women’s tennis teams beat their opponents. The Kovsies women’s team beat the Pukke 15-0, Tukkies 15-1 and Maties 12-5.

The Kovsies men’s team beat their respective opponents as follows: Maties A 12-6, Maties B 15-0, Pukke A 9-7, Tukkies A 14-1 and Pukke B 15-0.

Janine de Kock from KovsieSport said that she was satisfied with these achievements. “For the past two years the women have won the University Sports South Africa (USSA) tournament and now again this tournament. What makes this achievement special is the fact that it was the first tournament that four of the women’s team members played for the UFS.”

“I am also very satisfied with the achievements of the men’s team. They ended sixth in last year’s USSA tournament. This year, at a tournament where the top four universities in terms of tennis were present, they won,” said Janine.
Rensia Henning in action during the Mega-intervarsity Tournament that took place at Sun City last week.
Photos: Jeanine de Kok
 
Netball: Hard work gets rewarded - (April 2009)

Three Kovsies were selected from the South African National Netball team to the Senior Top 12 Team that will represent South Africa at the SPAR Challenge, a three nation’s test series against Botswana and Fiji. These matches will take place towards the end of May in Pretoria.

The three students are Elzet Engelbrecht, Maryka Holtzhausen, en Adele Niemand.


Kovsie students compete at badminton championships

One former student from the University of the Free State (UFS) Chris Dednam, and one current Kovsie student Annari Viljoen are included in the National Badminton Team that represented South Africa from 17 to 24 April 2009 at the All Africa Badminton Championships in Nairobi, Kenya. They also participated in the Kenya International Championships from 25 to 27 April 2009.

Chris Dednam and Annari Viljoen and with them Roelof Dednam, also a former Kovsie student, were included in the team that will participate at the Sudirman Cup in Guangzhou, China. The Sudirman Cup that will take place from 10 to 17 May 2009 is the world mixed team badminton championship and takes place every two years.

Kovsie athletes win medals

Kovsie athletes excelled at the South African Students Athletics Championships (USSA) that was held in Stellenbosch by winning a total of 15 medals.

The medal winners are:
Gold: Thuso Mpuang for the 200m, Johan Cronjè for the 1 500m, Maryna Swanepoel for the half marathon and Marizette Badenhorst for hammer throw.
Silver: Thuso Mpuang for the 100m, Johan Cronjè for the 5 000m, Charles le Roux for triple jump, Ronè Reynecke for the 800m, and Abongile Lerotholi for 1 500m.
Bronze: Kagisho Kumbane for 100m and 200m, Boy Soke for half marathon, Charles le Roux for long jump, Thandi Malindi for the 3 000m steeple chase, and Marike Steyn for triple jump.

In the team competition the Kovsie men’s team received third place and the women’s team fourth place.
 

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