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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

Sarah, our own champion
2008-11-05

 
Sarah Shannon at the Paralympic Games in Beijing

 

Sarah Shannon, a second-year student in the Postgraduate Certificate in Education, has been involved in disability sport on national level for the past 12 years. Sarah has cerebral palsy.

In 1996 she participated at the South African National Championships for the physically disabled for the first time, entering for several sporting codes and winning five gold medals. In swimming she participates in the S3 class together with other swimmers that have comparable abilities to hers.

In 1997 she decided to focus on swimming competitively. She participated in her first national championships for swimming that year. After that (1998) she represented South Africa on international level at the International Paralympic Committee’s (IPC) Swimming World Championships in New Zealand where she ended 4th in the 50m backstroke and 7th in both the 50m and 100m freestyle in her class.

In 1999 she represented South Africa in Johannesburg at the 7th All Africa Games and won a silver medal for the 50m freestyle and a bronze medal for the 100m freestyle.

In 2000 she was part of the South African team at the Sydney Paralympic Games where she reached the finals and finished 7th in the 50m backstroke and 8th in the 50m freestyle. Northern-KwaZulu-Natal also awarded her the Junior Sportswoman of the Year award in 2001. In 2002 she participated at the South African Senior National swimming championships for KwaZulu-Natal in the multi-disability category.

In 2005 she completed the Midmar Mile. She also represented South Africa at the world championships for athletes with cerebral palsy in Boston in the United States of America. She won two gold medals for respectively the 50m freestyle and the 50m backstroke and two silver medals in the 100m and 200m freestyle. She was also nominated to represent South Africa as athlete’s representative on the world committee of CPISRA (Cerebral Palsy International Sports and Recreation Association). In this year Sarah also received the KwaZulu-Natal Premier’s Sportswoman with a disability award of the year.

In 2006 she qualified for the IPC world championships but could not attend.

In 2007 she represented South Africa once more at the Visa Paralympic World Cup in Manchester in the United Kingdom where she broke the South African record in the 50m backstroke, finishing 7th in the 50m freestyle and 6th in the 50m backstroke.

She was also part of the very successful Team South Africa to the Paralympic Games in Beijing. She reached the finals in both the 50m backstroke and 50m freestyle. She finished 7th in the 50m freestyle and 6th in the 50m backstroke in personal best times for both events. She has been participating in the able bodied South African National Swimming Championships since 2002. She is currently ranked 2nd in the world for short course items and 11th for the long course items. She is truly our best swimmer in the S3 class.
 

 

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