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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

DF Malan – the politician, the man and Lindie Koorts’ award behind it
2014-04-30

 
Lindie Koorts
Photo: Hannes Pieterse
Sometimes fact is stranger than fiction. In this case, it is not only true, but fact is stirring up more of a buzz than make-belief does.

The first biography of an apartheid Prime Minister written since 1994, won an award at the 2014 Woordfees. ‘DF Malan and the Rise of Afrikaner Nationalism’ is the title of the book causing this national whirlwind. The author: Lindie Koorts – a postdoctoral fellow at the UFS’s Centre for Africa Studies.

She admits she was among the most surprised when she won the category for Debut Writers. “This is, as far as I know, the first time this prize goes to a non-fiction writer,” Koorts said.

What started as curiosity around DF Malan, four years later culminated in an objective biography devoid of justification or exoneration. “Throughout the process of writing, I offer the facts, but I do not clamber in with moralistic judgements,” Koorts said.

In addition to Malan the politician, Koorts discovered Malan the human being as well during her research. When she stumbled on his hand-written love letters to Maria Louw, which he wrote when he was in his 60s, a totally different man emerged. “I felt like a teenager while reading those letters!” Koorts laughed.

In the chapter entitled Coalition and Fusion, this dynamic historian unearthed a fact that had the power to change the course of history. Up until this point, the belief was held that one party deceived another. However, Koorts’ research proves that the entire issue rested on a letter that did not arrive on time. A case of tardy train schedules and a mere misunderstanding.

“To be able to unravel these things makes one feel that you have succeeded in something,” she said.

Not only did she succeed in writing an award-winning biography, she surely will be making history as she goes.

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