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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

Researcher shares platform with Nobel Laureate at conference on nanomedicine
2013-01-10

Prof. Lodewyk Kock at the Everest viewpoint with Mount Everest behind him.
10 January 2013

Profs. Lodewyk Kock and Robert Bragg from the Department of Microbial, Biochemical and Food Biotechnology at the University of the Free State (UFS) both presented lectures at the first International Conference on Infectious Diseases and Nanomedicine that was held in Kathmandu, Nepal, late last year.

At the conference, also attended by senior representatives from the International Union of Microbiological Societies (IUMS), Prof. Kock delivered one of the two opening lectures, titled: Introducing New Nanotechnologies to Infectious Diseases (the other opening lecture was presented by Nobel Laureate, Prof. Barry J. Marshal). Prof. Kock also participated in the farewell address.

In two excellent lectures, Prof. Bragg spoke on Bacteriophages as potential treatment option of antibiotic-resistant bacteria, and on Bacterial resistance to quaternary ammonium compounds.

For Prof. Kock this very first conference on infectious diseases and nanomedicine was followed by a very exciting yeast research excursion through the Mount Everest Highway which winds through the villages of the Sherpa tribe.

He describes his journey: “The Mount Everest Highway is a rough road stretching through hills and glacial moraines of unfamiliar altitudes and cold temperatures. Throughout the journey I had to take care of not contracting altitude sickness which causes severe headaches and dizziness.

“The only way of transport is on foot, on long-haired cattle called Yaks, donkeys and by helicopter. After flying by plane from Kathmandu (the capital of Nepal), I landed at Lukla, regarded as the most dangerous airport in the world due to its short elevated runway and mountainous surroundings. From Lukla, the land of the Sherpa, I walked (trekked) with my Sherpa guide and porter (carrier) along the Everest Highway surrounded by various Buddhist Mani scripture stands, other Buddhist representations and many spectacular snow-tipped mountains of more than 6 000 m above sea level. Of these, the majestic mountain called Ama Dablam (6 812 m), the grand 8 516 m high peak of Lhotse and to its left the renowned Mount Everest at 8 848 m in height, caught my attention.

“Dwarfed by these mountain peaks on the horizon, I passed various villages until I eventually reached the beautiful village called Namche Bazar, the heart of the Khumbu region and hometown of the Sherpa. This took three days of up to six hours walking per day, while I spent the nights at the villages of Phakding and Monjo. From there I walked along the Dudh Kosi River which stretches towards Mount Everest, until I reached the high altitude Everest viewpoint – the end of my journey, after which I trekked back to Lukla to return to Kathmandu and South Africa.

“This expedition is the first exploration to determine the presence of yeasts in the Everest region. Results from this excursion will be used in collaborative projects with local universities in Nepal that are interested in yeast research.”

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