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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

Kovsies to celebrate excellence at 2014 December Graduation Ceremony

2014-12-02

Live streaming: http://apps.ufs.ac.za/ufslivestreaming/

On Thursday 11 December 2014, the University of the Free State (UFS) will award degrees and qualifications during our Summer Graduation Ceremony at the Bloemfontein Campus.

The graduation will take place during two ceremonies in the Callie Human Centre, where master’s and PhD degrees will be awarded during the first ceremony at 09:30. Diplomas, certificates and undergraduate qualifications will be awarded to students from the School of Open Learning and the Faculty of Health Sciences at 14:30.

Radio personality, Redi Thlabi, and cardiothoracic surgeon, Dr Susan Vosloo, will address the graduates.

Apart from her radio show on 702 and CapeTalk, Thlabi has also hosted local television news shows and anchored for international broadcasters like SKY and the BBC. In addition, she has presented two of her own TV shows: ‘Redi’ on Mzansi Magic and ‘South to North’ on Al-Jazeera.

Her first book, Endings and Beginnings (Jacana) received popular acclaim and is currently being turned into a screenplay for a movie.

Dr Susan Vosloo, a Kovsie alumnus, graduated in 1980. She completed her internship in Pretoria and spent the following year in Critical Care Medicine at Universitas Hospital, Bloemfontein, before starting her surgical training in Johannesburg.

She is currently in independent private practice at the Netcare Christiaan Barnard Memorial Hospital in Cape Town, having also worked from 1998 – 2012 at the Vincent Pallotti Hospital in the same city.

Dr Vosloo maintains close ties with our university and has quite a number of addition roles to that of surgeon:

• member of the Council of the UFS;
• UFS Council Representative in the Senate;
• member of the Standing Advisory Committee of the School of Medicine, UFS;
• member of the Provincial Department of Health;
• Africa representative for the Pediatric Cardiac Intensive Care Society; and
• founding member of the World Society for Pediatric and Congenital Heart Surgery.

Prof Boelie Wessels will also be awarded his 10th academic degree from the UFS since 1974. Adding his Honorary Doctorate degree to the list, it will make this his 11th degree. Prof Wessels is 84 years old and has 18-plus academic qualifications from various institutions – a phenomenal achievement.

Furthermore, Moses Lubinga and his wife, Stellah, will be the first married couple to be awarded their PhDs at the same graduation ceremony at the UFS. Mr Lubinga will receive his Doctorate in Agricultural Economics, while Mrs Lubinga’s PhD is in the field of Economic and Management Sciences.

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