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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

UFS hosts international conference on palynology - tribute to Prof Louis Scott
2014-07-23

 

Prof Louis Scott

Some of the world’s eminent palaeontologists and palynologists gathered at the University of the Free State (UFS) to attend a conference held in the honour of one of our own.

Prof Louis Scott, one of South Africa’s leading palynologists and former chairman of the Department of Plant Sciences at the UFS, recently retired. In recognition of his great contribution to promoting palynology, an international symposium was held from 7 – 11 July 2014 at the Bloemfontein Campus.

Palynology is the study of pollen grains and spores in archaeological findings.

The symposium, ‘From Past to Present – Changing Climates, Ecosystems and Environments of Arid Southern Africa. A Tribute to Louis Scott’, featured the works and findings of researchers from South Africa, USA, UK, Israel and Tanzania.

Prof Francis Thackeray from the Institute of Human Evolution at the University of the Witwatersrand delivered the keynote address. He said South Africa has a rich palaeontological heritage relating to human evolution within the late Pliocene, Pleistocene and Holocene.

Prof Thackeray said that the “identification and quantification of changes in climate and habitat are essential for assessing evolutionary processes associated with hominine species in the genera Australopithecus, Paranthropus and Homo. Attempts have been made to quantify changes in palaeotemperature and moisture using multivariate analysis of pollen spectra from sites such as Wonderkrater.”

Prof Thackeray dedicated his address to Prof Scott.

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