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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

Two UFS architecture students won prestigious PG Bison 1.618 Competition
2017-10-26

 Description: Bison read more Tags: : Stephan Diedericks, Department of Architecture, Margaux Loubser, Kobus du Preez, Zack Wessels, PG Bison 1.168 Competition 

At the PG Bison 1.618 competition awards ceremony
in Rosebank, were from the left:
Camrin Plaatjes from the University of KwaZulu-Natal;
Stephan Diedericks, winner of the competition;
and Margaux Loubser,
the second-place winner. Both Stephan and
Margaux are studying Architecture at the UFS.
Photo: Supplied



Food that reaches its sell-by date in supermarkets is usually disposed of, but has not yet reached its best-before date.  What happens to this food?  According to Stephan Diedericks, the answer to this is for this food to be repurposed.

Not only does Stephan want to prevent the waste of food – in a world where food security is a challenge – but he also won the prestigious PG Bison 1.618 Competition with his entry in which he suggests that gourmet meals be prepared from food that has reached its sell-by date, and then be served in the Delta Recycletorium. 

Students introduced to park lands in urban areas
Diedericks is a student in the Department of Architecture at the University of the Free State (UFS). Second-place winner in this competition was Margaux Loubser, also a UFS student. Another UFS student, Dehan Kassimatis, was a finalist. They received their awards at a ceremony in Rosebank, Johannesburg, earlier this month. 

The competition, now in its 24th year, was created to recognise the future interior and industrial designers, architects, and key decision-makers in the South African construction industry. It is known not only for the prestige it offers its winners, but also for the tradition-defying brief given to the students each year.

According to lecturers Kobus du Preez and Zak Wessels, in the Department of Architecture, the competition introduced the students to parklands in urban areas. He quotes the competition brief: “Rural to urban migration with the development of commercial and residential property elevates the importance of parklands within cities, in creating a refuge from the hustle of daily life.  These areas are leveraged to encourage healthier living, community interaction and environmental awareness.”

Learning experience more important than prizes
The site that was the focus of the competition is the Environmental Centre, Delta Park Heritage Precinct in Johannesburg. Students needed to transform this old building into a vibrant gastronomic restaurant. “The theme and style of the restaurant was for the student to choose,” said Du Preez. 

Loubser called her restaurant Rooted – a wholefood restaurant.  She was influenced by the geometries of the original Art Deco building. Rooted articulates and integrates the space between nature and the building.  Similar to an Art Deco painting or poster, the landscape is abstracted into terraces which are used to grow vegetables organically.  Vertical green screens soften the divide between the building and its surroundings and it provides shade.

“Our students took their clues from the existing environment and integrated it with a single idea, an abstract concept, which impressed the judges,” Du Preez said. 

Although this is a competition that is well reported in the industry press, Du Preez and Wessels agree that the learning experience for students is much more important than winning the contest. The competition’s brief aligned well with the Department of Architecture’s learning content with its urban focus.

Jacques Steyn, a UFS architecture student, came third in the competition in 2015.

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