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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

Weak states and armed movements – researching the underlying links
2014-08-28

 

Prof Theo Neethling is conducting research on armed movements in the DRC.
Photo: en.wikipedia.org

Prof Theo Neethling from the Department of Political Studies and Governance is currently conducting research on armed movements in the Democratic Republic of the Congo (DRC).

“My research is premised on the scholarly insight and argument that in weak states, such as the DRC, armed movements and militias are filling power vacuums that are the result of the inability and lack of military capacity to fight these movements effectively,” Prof Neethling says.

“In this context, the DRC is severely affected by sub-state terrorism,” he continues.

“This is a phenomenon that is intimately linked to the failure to effect sustained development and to consolidate accountable and effective governance in especially the eastern provinces of the country.”

Earlier this year, Prof Neethling presented conference papers on this topic at two international conferences: the Conference of the New York State Political Science Association, as well as the World International Studies Conference hosted in Frankfurt, Germany.

In 2013, Prof Neethling co-edited the book, ‘Post-Conflict Reconstruction and Development in Africa: Concepts, Policy, Role-players and Practice’. He completed this work in collaboration with Prof Heidi Hudson from the UFS Centre for Africa Studies.

“The book revolves around the concept of ‘post-conflict’ and the blurring of military and civilian roles, analysing the multiple roles of the United Nations in the DRC and Sierra Leone, as well as the African Union Mission in Burundi,” Prof Neethling says.

“It also explores South Africa’s foreign policy imperatives in relation to multinational peace missions in conflict-stricken African states, involving military as well as civilian role-players.” 
 
 
 
 
 

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