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30 November 2021 | Story Leonie Bolleurs | Photo Supplied
Prof Johan Meyer, Senior Professor in the Department of Mathematics and Applied Mathematics, says he is looking forward to learning from others in the field during this collaboration.

What do trees, black holes, earthquakes, and time structures have in common? 

The answer to this question is that these, in one way or the other, form the focus of some of the abstracts delivered during the Annual Congress of the South African Mathematical Society. The society has as its main objective the advancement of mathematics in South Africa. 

The Department of Mathematics and Applied Mathematics at the University of the Free State (UFS), in conjunction with the South African Mathematical Society (SAMS 2021), is hosting the 64th Annual Congress of the society this week (29 November to 1 December 2021).

Prof Johan Meyer, Senior Professor in the department, says the congress, which is being conducted online, is focusing on all aspects of mathematics research, including history and teaching.

Learning from others in the field

The congress, which aims to share the latest research results in mathematics, will be attended by staff and students from universities across South Africa as well as abroad. “Anyone from the public is, of course, welcome to attend or even share their results if they are also involved in mathematics research,” adds Prof Meyer. 

He says that he is looking forward to learning from others in the field during this collaboration. 

The congress will include discussions on more than 120 abstracts, covering category theory, algebra, topology, logic; functional analysis and operator theory; finite groups and combinatorial structures; graph theory and combinatorics; lie symmetries and nonlinear differential equations; and applied and numerical mathematics.

Array of interesting topics presented

“It is important in many areas of science and engineering to predict and to simulate rare, random events, the occurrence of which may have negative or even catastrophic consequences. Examples include internet server overflows, mechanical breakdowns, floods, and financial crashes. Rare events can also have a positive effect, triggering for example chemical reactions or driving genetic evolution via random mutations.” Prof Hugo Touchette from Stellenbosch University will be shedding some light on this interesting topic in his presentation on Predicting and simulating rare events.

Prof Jeandrew Brink, Associate Professor in the Department of Mathematics and Applied Mathematics at the UFS, is presenting a plenary session on the topic Determining the geometry of strong field space-times in spite of tacitly assuming the answer during every measurement. In South Africa, state-of-the art pulsar timing data from the MeerKAT telescope will make a considerable contribution to conducting GR orbital tests. Prof Brink comments on how pulsar timing tests differ from tests using gravitational wave detectors, as well as what we can learn from the framework already employed to perform pulsar timing measurements.

News Archive

Two Kovsie women involved in international sports events
2012-05-14

 

Hetsie Veitch and Ebeth Grobbelaar
Photo: René-Jean van der Berg
14 May 2012

The organisers of two international sports events will depend on the expertise of two Kovsie women to make the events a major success.

The honour to be involved in international sports event has befallen Ms Hetsie Veitch and Ms Ebeth Grobbelaar.

The honour is the result of many years’ hard work and devotion in their respective fields.

In June, when the USA chooses the team to represent it at the 2012 Paralympic Games in London, Ms Veitch will be one of the classifiers who will determine in which categories athletes may compete.

Ms Veitch, Head of the Unit for Students with Disabilities at the University of the Free State (UFS), has been invited to be a member of the Classification Panel at the final USA Paralympic athletics trials. The trials take place from 27 June to 1 July 2012 in Indianapolis, Indiana, in the USA.

Ms Veitch and four other classifiers, two from Brazil, one from Canada and one from the USA, will test and verify the international classification status of the American athletes. No athlete will be allowed to take part without their classification being verified by the panel.

Ms Veitch, who recently achieved the status of International Paralympic Committee (IPC) Athletics Classifier, the highest achievement for a classifier in sport for the disabled, said that this category of sport has always been her passion.

“To have the opportunity to be involved in the classification of the USA team for the London 2012 Paralympic Games is a huge honour. I am going to start working on being chosen for the official IPC classification panel for the 2016 Paralympic Games in Brazil.”

Ms Grobbelaar, Assistant Director of the South African Testing Laboratory for Prohibited Substances at the UFS, was invited to be involved in the Drugs Control Centre in the unit against prohibited substances which will test sportsmen and women during this year’s Olympic Games in London.

Ms Grobbelaar said that even though the future of sportsmen and women would be in her hands, she is totally capable of carrying out the task that awaits her.

“I will be part of the laboratory team who will test the athletes’ samples for prohibited substances. I was part of the South African team who tested samples in our own laboratory in 2010 during the FIFA Soccer World Cup, as well as for the All Africa Games. The task is one I perform every day in our own laboratories. Each sample that I analyse determines an athlete’s future. The circumstances during the Olympic Games are different, but the work remains the same.”

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