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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

Badminton players show their class
2007-06-04

Kovsie badminton players showed their class at the 2007 All African Championships held in Rose Hills, Mauritius during May, just as they did last year in Algeria.

In the individual championships in the men's double event Chris and Roelof Dednam again successfully combined for gold with a victory in the final over Steve Malcouzane and Georgie Cupidon of the Seychelles. Chris Dednam and Michelle Edwards also made the final
round in the mixed double event, but were beaten by Georgie Cupidon and Julliette Ahwan (Seychelles) to settle for a silver medal.

In the men's singles event Chris Dednam equalled last year's performance and was awarded with bronze, having lost 24-22 in the third set in the semi-finals in a marathon match against Eli Mambwe (Zambia). It was therefore once again in the men's singles where South Africa could not vest their supremacy in Africa. But, Chris improved his tally of medals to gold, silver and bronze. Roelof also showed good form by making the quarter-finals in the singles as well as the mixed doubles.

Fellow Kovsie, Wiaan Viljoen, joined the Dednam brothers and the rest of the South African team for silver in the team competition.

A week earlier, in the Mauritius International tournament, Chris won gold by winning the mixed doubles event with Michelle Edwards (against the same Georgie Cupidon and Julliette Ahwan), while the Dednam brothers had to settle for silver in the men's double event losing to Germany's Thomas Tesche and Jochen Cassel.

Chris and Roelof Dednam have qualified, because of their current position on the world ranking table, for the men's doubles in the World Badminton Championships to be played in Kuala Lumpur, Malaysia, in August this year.
 

Roelof and Chris Dednam

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