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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

Deputy Governor of SA Reserve Bank inspires students
2016-08-19

Description: Deputy Governor of SA Reserve Bank  Tags: Deputy Governor of SA Reserve Bank

Dr Lyndon du Plessis, Head of Department of Public
Administration and Management, Francois Groepe,
Deputy Governor of the South African Reserve Bank,
Prof Philippe Burger, Head of the
Department of Economics and B.Com Hons student,
Mosoeu Mabote.

Photo: Siobhan Canavan

Students from the Faculty of Economic and Management Sciences had the opportunity to learn from the best in the field when the Deputy Governor of the South African Reserve Bank, Francois Groepe, presented a seminar on the changing roles of central banks.

According to Groepe, we are currently living in challenging times as central banks are called on to do more.

“Central banks have limits, and these limits are not always understood,” he said on 11 August 2016 in the Equitas Auditorium on the Bloemfontein Campus.

How central banks contribute to inflation

There are two main generally-expected roles from central banks: the obvious one of providing bank notes and coins, and the other, maintaining price stability.

According to Groepe, the aim of keeping prices stable is to ensure easier planning for the future, and to assist the poor.

“The poor are the ones more vulnerable to higher inflation because they hardly have enough to get by,” he said.

A negative impact on monetary policies could affect the economy negatively. This is as a result of higher inflation caused by the increase in food prices.

Furthermore, the 12% government debt renders a negative yield in the economy.

The stability of finances in South Africa


Financial stability is not an end in itself, but, like price stability, is generally regarded as an important precondition for sustainable economic growth, development, and employment creation.

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