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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 Council unanimously reappoints Dr Khotso Mokhele as Chancellor
2015-04-02

 

Dr Khotso Mokhele, Chancellor of the University of the Free State

The Council of the University of the Free State (UFS) unanimously reappointed Dr Khotso Mokhele as Chancellor during its quarterly meeting held on 13 March 2015. He was first appointed in this portfolio by the Council on 4 June 2010.

“It is an honour for the Council to reappoint someone of this stature as Chancellor of the UFS. With his solid academic background and high profile in the business world, Dr Mokhele has been a great asset to the UFS. On behalf of the Council and the university community, I extend a word of appreciation for the work he has done during his first term as Chancellor of the UFS. He is an exceptional leader, and the university community is looking forward to have him as Chancellor for a second term,” said Judge Ian van der Merwe, Chairperson of the UFS Council.

Dr Mokhele was awarded a BSc Agriculture from Fort Hare University, and continued his studies at the University of California Davis (USA) on the Fulbright-Hays Scholarship Programme, completing his MSc (Food Science) and PhD (Microbiology). He was subsequently a postdoctoral fellow at Johns Hopkins University School of Medicine (USA) and the University of Pennsylvania School of Medicine (USA). Dr Mokhele is the recipient of honorary doctorates from nine South African universities including the UFS, and from Rutgers University in the USA.

He was Chairman of the Rhodes Scholarship Selection Committee for Botswana, Malawi, Namibia, Lesotho and Swaziland (2007-2011), and served on the South Africa at Large Rhodes Scholarship Selection Committee for more than 10 years. As President and Chief Executive Officer (CEO) of the Foundation for Research Development (1996-1999) and the NRF from 1999 to 2006, Dr Mokhele played a central role in providing visionary and strategic direction to the South African science system. He was the Founder President of the Academy of Science of South Africa (ASSAf), Founder President and CEO of the National Research Foundation (NRF), Chairperson of the Economic Advisory Council to the Premier of the Free State (2001-2004), and a member of the Advisory Council on Innovation to the Minister of Science and Technology (2003-2007). His role in securing government and international support for the Southern African Large Telescope Project (SALT) is evidence of his dedication to science in South Africa. The success of this project laid the basis for South Africa being selected to host more than 70% of the Square Kilometre Array, an international mega telescope for radio astronomy.

In recognition of his contribution to the development of science, he was the recipient of the Technology Top 100 Lifetime Achievers Award in 2009 and the National Science and Technology Forum Award in 2005. His role in science is recognised internationally. He was an elected Vice-President: Scientific Planning and Review of the International Council for Science and Chairperson of its Committee for Scientific Planning and Review (2005-2008) as well as a member of the Committee on Developing and Transition Economy Countries of the International Social Science Council (2008-2010). He also represented South Africa on the executive board of UNESCO, and was awarded the Member Legion of Honour of the Republic of France for his work in strengthening scientific ties between South Africa and France.

Dr Mokhele currently serves as Special Advisor to the Minister of Science and Technology, the Honourable Naledi Pandor. His current corporate positions include: Non-Executive Chairman: Board of Directors, Impala Platinum Holdings Ltd (Implats); Lead Independent Non-Executive Director: African Oxygen Ltd (Afrox); Non-Executive Director of Zimbabwe Platinum Holdings Ltd (Zimplats); Hans Merensky Holdings Ltd; and Tiger Brands Ltd. He is the President of the Hans Merensky Foundation (South Africa) and a Trustee of SciDev.Net (a web-based scientific magazine based in London, UK) and Start International Inc (USA).

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