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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

University of the Free State strives towards going ‘green’
2017-08-07

 Description: Benedict Mochesela  Tags: Benedict Mochesela  

Benedict Mochesela from University Estates on the
UFS Bloemfontein Campus. A total of thirty brand-new
water storage tanks, between 5 000 and 20 000 litres,
were installed.
Photo: Anja Aucamp


Eight provinces, including the Free State, were declared disaster areas last year due to the ongoing drought. This had a devastating effect on the agricultural sector, leaving many communities dry.

University Estates at the University of the Free State found an ideal project to make university buildings greener. A total of thirty water storage tanks, varying in size from 5 000 to 20 000 litres, were installed at various buildings on the Bloemfontein Campus. As a pilot phase, these tanks were specifically installed at residences and buildings with high traffic volumes.

Importance of water tanks at the UFS
According to Benedict Mochesela, Project Manager of this initiative, the purpose of the project is to harvest rainwater, which will be used during emergencies when the campus does not have water and the emergency water storage facility is depleted. “This water is not intended for drinking, but for the flushing of toilets,” says Mochesela.

He mentioned that the water will also be used for watering flowerbeds and gardens when the water has been standing for a long time without being used.

Recycling water: An initiative to protect the environment
A number of water storage tanks are already in place at the Qwaqwa Campus and a preliminary phase of using grey water from residences is currently ongoing at the South Campus. Grey water is made up of bath, shower, and bathroom sink water. The water is reused for toilet flushing as well as for irrigation purposes.

“Recycling of water is one of a number of initiatives the university intends to undertake to ensure and show the community that this institution remains conscious of the environment and to changes which we continuously need to adapt to.”

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