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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

The UFS #FaceOfFacebook

2014-11-14

At the UFS, we are committed to our Human Project, which sets the standard for good behaviour and care. It reaches internally to our students and externally to our prospective students and our communities.

And so, the Kovsies #FaceOfFacebook was born from the need to communicate with students and thus become a virtual friend. Yearly auditions are held to choose the new face representing the UFS on Facebook. The successful candidate holds the title #FaceOfFacebook for the next 12 months, attending events and filming short video clips to post on our Facebook page.

We had a quick chat with our current #FaceOfFacebook, Katleho 'Blue' Letube …

Who is Blue?

"Media mistress, fashion phenom, diva divine darling, superwoman and lover of life.
I was born in a small town called Bothaville, where my mom and her side of the family are living . I started pre-school there, moved and completed my schooling career at St. Andrew's High School (a very proud S aint) in Welkom. That is where my dad and his side of the family are living . Also, I am a proud resident of House NJ vd Merwe and I am studying Governance and Political Transformation."

How do you balance everything you do?

"It's relatively easy for me to strike a balance between my academics, social life and leadership duties, because Jesus is at the centre of all that I do. He is my guide and my strength. However, I also take it upon myself to prioritise. Although I am a '' liker of things'' , I ensure that my academics are the priority and everything else falls into place perfectly."

Are you dating someone?

"Hahaha, wouldn't you just love to know? Well, yes I am off-market. I'm completely taken and I'm happy."

What drives you?

"I always feel the urge to expand myself by working harder, smarter, stronger, and more efficiently. If there's an extra mile to go, the strength inside me draws out the willingness and ability to go that extra mile."

What is it like being the #FaceOfFacebook?

"I have been privileged to be entrusted with this duty and I carry it out with pride and passion. Being the #FaceOfFacebook means you get to meet a new face on campus almost every day, because people recognis e you and want to know you better. This opportunity has opened many doors for me and has equipped me with skills that have allowed me to grow as an individual. Therefore I will forever be grateful."

Where are you going to be in five years from now?

"Five years from now I would like to see myself as a better person both personally and professionally, in a respectable and reputed position earned through my hard work and skills. However, do not be surprised if you see me as a presenter on Vuzu.TV."

Advice to prospective students?

"Do not be that pupil who enrolled at this awesome institute and never takes advantage of its kindness. The University of The Free State is an institution that offers an excessive amount of opportunities to students. Step up and get out of your comfort zone. See an opportunity, seek the opportunity and cease it. You are at a university that provides you with a platform for you to grow."

What's your favourite colour?

My favourite colours are Black, White and Blue – hahaha!!

Kovsies can keep in touch:

Facebook: Katlego Blue Letube
Twitter: @Princess_blue31
Instagram: katlegoletube

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