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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 sign language workshop to educate parents
2017-05-22

Description: Sign language workshop to educate parents Tags: Sign language workshop to educate parents

Back row; from left; John Keitsemore from
Bartimea School for the Deaf; Philip Cook,
the headmaster at De la Bat School for the
Deaf in Worcester; Jeannie Cook, De la Bat School
for the Deaf; front, from left; Marisa Vermeulen, mother
of two deaf children and teacher at Bartimea
School for the Deaf in Thaba Nchu; Marianne Kühn,
audiologist, and Susan Lombaard, acting Head of the
Department of South African Sign Language.
Photo: Rulanzen Martin

“Ninety percent of deaf children are born into hearing families. When parents first receive the news, they are shocked, angry and confused,” says Susan Lombaard, Acting head of the Department of South African Sign Language at the University of the Free State (UFS).

The department hosted a workshop, “Early intervention options for the child with a hearing loss”, on Friday 12 May 2017 on the Bloemfontein Campus. “It is the first time a sign language workshop of this kind was hosted by the Department of South African Sign Language at the UFS,” says Lombaard, who facilitated the workshop. They hope to make it an annual event.

Parents of deaf children do not always know how they will communicate with their children or where the child must attend school. The workshop aimed to provide parents with the necessary information on different communication options and also touched on school placement.

Support group for parents established
A support group for parents was also established, the first of its kind in the province. It will provide much-needed support, information and guidance for parents of deaf children.

Some of the speakers at the workshop included Anri Esterhuizen, an audiologist; Marianne Kühn from the Carel du Toit Centre, Marisa Vermeulen, who is a mother of two deaf children, and Phillip Cook, the headmaster at De la Bat School for the Deaf in Worcester, in the Western Cape. Jeannie Cook, also a presenter, provided information on sign language acquisition of the small deaf child, which is done through creative play.

Professionals have responsibility
South African Sign Language is a language in its own right and is not international. “Sign language is a visual language with its own grammar and syntax different from spoken language,” Lombaard said.

There has been much controversy surrounding teaching deaf children to speak and teaching them to sign. “We as professionals have the responsibility to provide information on all options. This is to help the parent make informed decisions about communication and school placement.”

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