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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.

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National Department of Health invests R53.5 million in UFS laboratory
2016-02-04

Description: Dr Derek Litthauer Tags: Dr Derek Litthauer

Dr Derek Litthauer
Photo: Supplied

This year has started off on a high note for Dr Derek Litthauer and his team at the South African National Control Laboratory (NCL) for Biological Products. The National Department of Health has awarded the NCL a contract to the value of R53.5 million to continue testing vaccines for the next three years.

Vaccines are biological medicines used to ensure healthy populations by preventing many diseases. The World Health Organization (WHO) estimates that, worldwide, about 5.2 million children under six years old die annually. Of these deaths, 29% are vaccine preventable. Research has revealed that vaccines prevent about 6 million deaths each year globally. Safe and effective vaccines are essential public health tools, which are strictly regulated internationally. It is the NCL’s responsibility to perform quality control testing on all vaccines to be used on humans in South Africa.

This laboratory, the only one of its kind in Africa, receives samples of vaccines from manufacturers and importers for rigorous evaluation and testing. No vaccine may be used in South Africa without a release certificate issued by the Control Lab, certifying that the vaccine is suitable for human use.

The contract is a commitment to ensuring that only vaccines of the highest quality are used in South Africa.

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