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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

International Association of Hydrogeologists strengthens ties with IGS
2015-03-31

 

From the left are: Prof Neil Heideman, Dean of the Faculty of Natural and Agricultural Sciences, Mr Shammy Puri, secretary-general of the International Association of Hydrogeologists, and Prof Danie Vermeulen, Director of the Institute for Groundwater Studies.
Photo: Supplied

The Institute for Groundwater Studies (IGS) is in the process of establishing a SADC Groundwater Management Institute, sponsored by the World Bank. To coincide with this process, the IGS received a visit from Mr Shammy Puri, the secretary-general of the International Association of Hydrogeologists (IAH).

“The aim of the visit was to further cooperation between the IAH and IGS regarding transboundary aquifers in the SADC region,” said Prof Danie Vermeulen, Director at the IGS.

The International Association of Hydrogeologists (IAH/AIH) is a scientific and educational charitable organisation for scientists, engineers, water managers, and other professionals working in the fields of groundwater resource planning, management, and protection.  The IAH is the leading international society for the science and practice of hydrogeology, and is a globally recognised information source and facilitator for the transfer of groundwater knowledge.

Mr Shammy Puri was elected Secretary-General of IAH in 2008, and chaired the Commission on Transboundary Aquifer Resources Management (TARM) from 1998 to 2011.

During his visit, Mr Puri also presented lectures to the postgraduate students at the Institute on Transboundary Aquifers. He was also invited by the Dean of the Faculty of Natural and Agricultural Sciences, Prof Neil Heideman, to present the faculty prestige lecture later this year.

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