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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

UV Voices Kamerkoor by die KKNK
2005-03-10

Membra Jesu nostri – Buxtehude (1637 – 1707)
 

Membra Jesu nostri patientis sanctissima (Die allerheilige liggaam van die lydende Jesus aan die kruis) deur Buxtehude het die Kruisiging van Jesus as tema.

Die uurlange werk word in Latyn gesing en handel in elk van die sewe dele oor ‘n deel van Jesus se liggaam aan die kruis: voete, knië, hande, die sy, bolyf, hart en gesig. Voices Inc – Kovsie kamerkoor word bygestaan deur die Odeion Strykkwartet met Francois Henkins, Abrie de Wet, John Wille en Michaela Haller. Die kontrabas word deur Alba Henkins-Molller bespeel en Jan Beukes is die orrelis.

Die woorde in Latyn wat buitengewoon was vir ‘n werk deur Buxtehude, is geneem uit die Latynse Bybel (Vulgate) en van die Rhytmica Oratio Sancti Bernadi, ‘n strofiese gedig deur St Bernard van Claivaux (c1090 – 1153).

Die wyse waarop Jesus se pyn aan die kruis uitgebeeld word asook die gebed en uitroep van versoening tussen God en die mensdom was deel van die Piëtiste se oortuigings van die tyd.

Die werk is saamgestel uit sewe afsonderlike dele wat telkens deur ‘n instrumentale sonate aangekondig word. Die koor lui die vokale bydrae in en sluit elke deel ook af. Die res van die werk bestaan uit verskillende groeperings van solo’s en trio’. Interessante vokale kombinasies kan gehoor word, bv. twee soprane en bas asook sopraan, alt en tenoor.

Hierdie opwindende aanbieding van Membra Jesu nostri, ‘n juweel uit die Baroktydperk, word aangebied deur ‘n groep energieke studente van Kovsies. Die jeugdige klank van die soliste – almal studente aan die Universiteit van die Vrystaat - dra by tot die egtheid van die Barok-klank. Die koor staan onder leiding van Leona Geldenhuys, dosent in Koorleiding aan die UV.

Optreedatums in die Moederkerk op Oudtshoorn. is:

 

  • Vrydag 25 Maart om 19:00
  • Saterdag 26 Maart om 13:00
  • Sondag 27 Maart om 19:00
  • Maandag 28 Maart om 16:00
  • Dinsdag 29 Maart om 10:00

Toegang is R50,00

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