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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 consortium to discuss broadening subcontinent’s food base
2017-03-14

Description: Cactus Tags: Cactus

The Steering Committee of the Collaborative
Consortium for Broadening the Food Base comprises,
from the left: Prof Wijnand Swart (UFS),
Dr Sonja Venter (ARC) and Dr Eric Amonsou (DUT).
Photo: Andrè Grobler

There is huge pressure on the agricultural industry in southern Africa to avert growing food insecurity. One of the ways to address this is to broaden the food base on the subcontinent via crop production. Climate change, urbanisation, population growth, pests and diseases continually hamper efforts to alleviate food insecurity. Furthermore, our dependence on a few staple crops such as maize, wheat, potatoes, and sunflower, serve to exacerbate food insecurity.  

Broadening the food base  
To address broadening the food base in southern Africa, scientists from the University of the Free State (UFS), the Durban University of Technology (DUT) and the Agricultural Research Council (ARC) have formed a Collaborative Consortium for the development of underutilised crops by focusing on certain indigenous and exotic crops. The Consortium met at the UFS this week for two days (6, 7 March 2017) to present and discuss their research results. The Principal Investigator of the Consortium, Prof Wijnand Swart of the Department of Plant Sciences in the Faculty of Natural and Agricultural Sciences, said awareness had risen for the need to rescue and improve the use of orphan crops that were up to now, for the most part, left aside by research, technological development, and marketing systems.  

"Many indigenous southern African
plant grains, vegetables and tubers
have the potential to provide a variety
of diets and broaden the household
food base.”

Traditional crops Generally referred to as alternative, traditional or niche crops, five crops are being targeted by the Consortium, namely, two grain legumes, (Bambara groundnut and cowpea), amaranthus (leaf vegetable), cactus pear or prickly pear and amadumbe (a potato-like tuber). Swart said these five crops would play an important role in addressing the food and agricultural challenges of the future. “Many indigenous southern African plant grains, vegetables and tubers have the potential to provide a variety of diets and broaden the household food base.” The potential of the many so-called underutilised crops lies not only in their hardiness and nutritional value but in their versatility of utilisation. "It may be that they contain nutrients that can be explored to meet the demand for functional foods," said Swart.

Scientific institutions working together
The Collaborative Consortium between the three scientific institutions is conducting multi-disciplinary research to develop crop value chains for the five underutilised crops mentioned above. The UFS and ARC are mainly involved in looking at production technologies for managing crop environments and genetic technologies for crop improvement. The DUT is focusing on innovative products development and market development.  

 

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