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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

Dr Sheila Aronstam receives UFS Alumnus of the Year award

2014-10-23

Dr Sheila Aronstam, recipient of the Kovsie of the Year award and Pieter du Toit, Chairperson of the Kovsie Alumni association.
Photo: Dries Myburgh

The Office for Institutional Advancement at the University of the Free State honoured ten people at this year’s Kovsie Alumni dinner.

Dr Sheila Aronstam received the Kovsie Alumnus of the Year award. Dr Aronstam previously served for eight years on the management of the UFS, where she played a prominent part in the transformation of the UFS. In 2004, with the centenary celebrations of the University of the Free State, Dr Aronstam received a centenary medal for her contribution towards transformation.

She also served on the Council and the Executive of the University of the Free State for period of five years.

In 2014, after a lifelong commitment to Bloemfontein and the University of the Free State, Kovsie Alumni honoured Dr Aronstam as Alumnus of the Year. “Her legacy of equality, tolerance and charity will live forever within the borders of the University of the Free State and the City of Bloemfontein,” said Pieter du Toit, Chairperson of the Kovsie Alumni association.

At this event, Cum Laude awards were bestowed on:

-       Chris Botha, Group Managing Director of Media Shop
-       Pauline Gutter, Free State-based artist
-       Tate Makgoe, MEC for Education in the Free State
-       Jans Rautenbach, South African screenwriter, film producer and director
-       Johan Volsteedt, former principal of Grey College and involved with the television series Dream School SA.

The Ambassador Award was presented to:

-       Odeion String Quartet at the UFS
-       Sibusiso Tshabalala, programme coordinator of the World Design Capital promotion project.

Executive Management Awards were bestowed on:

-       Prof Johan Nel (Emeritus Assosiate Professor UFS )
-       DB Prinsloo, Director of KovsieSport at the UFS.

Kovsie Alumni also bestowed honorary president awards on Prof Nico du Plessis and Adv Mauritz Randlehoff.

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