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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

Music builds bridges - Diva Mimi Coertse
2004-09-21

Music is not bounded by colour, religion, politics or time. It builds bridges. It reaches out to people’s hearts and feelings. Everyone understands the language of music. These were the words of the opera and chamber music diva, Mimi Coertse, who delivered the 34th C.R. Swart Memorial Lecture of the Faculty of Humanities at the University of the Free State. The theme of her lecture was Music as international language. Ms. Coertse said there are no boundaries to music. Different from the spoken word in drama, music can be understood by everyone. There are no boundaries in classical music – and specifically in opera. Developed nations adopted the Eurocentric art form as part of their culture. Examples are China, Korea and Japan where classical music became part of these counties’ national culture, she said. “Unfortunately, however, classical music is seen in many instances – and even in our country – as Eurocentric, but that is not the case. When you start analysing it, you will notice that our black choirs specifically sing opera in choir competitions. These choir competitions became a major industry. These choirs prefer to sing opera.” Ms. Coertse said music brings joy, pleasure, relaxations and healing. It moves into the inner chambers of people’s hearts. You cannot swear at someone in music of curse the. Music is sensual, emotional and very spiritual. God is the writer, man just the player.

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