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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

UFS hosts a successful New Music Indaba
2015-08-18

  

Held at the University of the Free State’s Odeion School of Music (OSM), the NewMusicSA’s New Music Indaba 2015 featured works which Clare Loveday described as “breathtaking, discreet, and perfectly balanced.”

Loveday, one of South Africa’s acclaimed music critics and was Composer-in-Residence for the annual Johannesburg International Mozart Festival, attended the Indaba from 21-26 July 2015. In a review of Saturday’s gala concert, she referred to recitals of this nature as an “essential part of the South African musical landscape, providing musicians and composers a space in which to express their world.”

Staff and students of the OSM were extensively involved in facilitating the festivities as a symbol of commitment to South Africa and international contemporary art music. The OSM Camerata under the baton of Xavier Cloete performed two works by South African composer Hendrik Hofmeyr well as a work by young Argentinian composer Diego Soifer entitled Mille Regretz .The festival featured music theory lectures, a variety of workshops, roundtable discussions ,concerts as well as an outreach programme.

Loveday described the highlight of her Indaba experience as “A delicate construction of sounds and silences that drew the listener into a focused and intense sound world,” a highlight created by the visiting German composer, Charlotte Seither’s “Far From Distance” for piano, clarinet, and cello. The concert evening culminated with Diale Mabitsela's "Friday Nights at Six," adding to the spectacular nature of the festival.

Throughout the week, classical chamber works featuring South African New Music Ensemble (SANME), the Choir of Christ Church Arcadia, and the Odeion Vocal Consort were performed and well-received. Bringing the five-day event to a conclusion was a choral mass at the Bloemfontein Anglican Cathedral, featuring an “Agnus Dei” written by George T. King.
 
Douglas Scott, Curator of the 2015 Indaba, reflected on it as a great success, saying that, “most of the participants agreed the event was a wonderful opportunity simply to hear different voices from the composition community juxtaposed with one another.”

From Scott’s perspective, the principal goal was to foster communication between artists with different visions, and to reach out to the local community.

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