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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

Maize breeder rewarded for his research to enhance food security in Africa
2016-08-26

Description: Maize breeder rewarded  Tags: Maize breeder rewarded

Prof Maryke Labuschagne from the UFS Department
of Plant Sciences, Berhanu Tadesse Ertiro, a
postgraduate student in Plant breeding at the UFS,
and Dr Peg Redinbaugh of the US Department of
Agriculture in Wooster, Ohio.
Photo: Supplied

Ethiopia is one of the African countries, deeply affected by food insecurity. Berhanu Tadesse Ertiro, a citizen from Ethiopia started his career - after graduating with his undergraduate degree in 2003 - as a junior maize breeder. Today he is pursuing his doctorate degree in Plant Breeding at the University of the Free State (UFS).

His research had made some great strides in contributing to food security in Africa. He recently received a fellowship from the prestigious Norman E. Borlaug Leadership Enhancement in Agriculture Program (Borlaug LEAP).

This fellowship is only awarded to students whose research has relevance to the national development of the student’s home country or region. The aim of these fellowships are to enhance the quality of thesis research of graduate students from developing countries who show strong promise as leaders in the field of agriculture and related disciplines.

Low soil fertility a major maize production constraint
Berhanu is also a visiting student at the International Maize and Wheat Improvement Center (CIMMYT) in Kenya, where he is running field experiments for his PhD thesis dissertation. His research focuses on Nitrogen Use Efficiency (NUE) and Maize Lethal Necrosis (MLN) disease tolerance. Low soil fertility and MLN are among the major maize production constraints in eastern and southern Africa, where maize is staple food.

Such hybrids have the potential to contribute greatly
towards food security among farmers and their
families through increased productivity.

The use of new tools could increase breeding efficiency and reduce the time needed for the release of new stress tolerant hybrids. Such hybrids have the potential to contribute greatly towards food security among farmers and their families through increased productivity. Berhanu is looking at the feasibility of genome wide selection for improvement of NUE in tropical maize.

Fellowship includes mentorship and supervision across borders
The programme supports engaging a mentor at a United States university and Consortium of International Agricultural Research Centers (CGIAR). During his fellowship, he will be supervised and mentored by Prof Maryke Labuschagne of the UFS, Prof Rex Bernando, a professor of Corn Breeding and Genetics at the University of Minnesota and Dr Biswanath Das of CIMMYT, Kenya.

As a LEAP fellow, Berhanu was invited to attend the 30th Annual World Food Prize events to take place in October 2016, in Des Moines, Iowa. The week will include his attendance at the Board for International Food and Agricultural Development meeting, participation at side-events at the Borlaug Dialogue International Symposium and the World Food Prize.

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