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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

Race, technology, and maritime labour in the 19th century
2016-06-23


Prof John T. Grider

 

“When employers
impose
worker identity,
it creates problems.”

What does identity mean to people today, and how is it formed? Religion, politics, race, ethnicity, and gender make up individual and community identity. However, Prof John Grider (University of Wisconsin – La Crosse) is of the opinion that employment moulds our identity, since we spend so much time on the job.

Prof Grider joined the Institute for Reconciliation and Social Justice (IRSJ) on the Bloemfontein and Qwaqwa Campuses to discuss his research on the maritime industry, published in his book, Foreign Voyage - Pacific Maritime Labour Identity: 1840 to 1890. “When employers impose worker identity, it creates problems,” he said. Particularly, this “creates instability in communities, and a vulnerability and insecurity amongst the employees”.

To illustrate his point, Prof Grider expanded on the history of 19th-century Atlantic sailors, a highly-skilled workforce, who failed to adapt to changes in their labour environment. Initially, the sea-faring community was very diverse racially. However, as the Pacific, and particularly Asian, marine community gained precedence, this tide turned to such an extent that, in 1886, the Atlantic sailors formed their own Coastal Seamen’s Union in San Francisco, causing a split between Asian and non-Asian sailors. Atlantic sailors had failed to integrate with the new technology of the day (steam power), nor had they accepted the demographic changes that flooded their community rapidly with cheap labour from Chinese shores. 

Prof Grider highlighted the need to maintain an adaptable mentality in the ever- and rapidly-changing labour world, since division amongst workers could lead only to further exploitation of the workforce.

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