Wednesday
4
March
2026
Overconstrained Character Sums and Tower Decompositions: A Local–Global Perspective on Generalized Boolean Functions
Professor Pante Stănică, Naval Postgraduate School, University in Monterey, California, USA
13:10,
Mathematics Division, Room 1006
Tuesday
24
February
2026
A unified framework for higher Hilbert spaces
Dr Luuk Stehouwer, Dalhousie University in Halifax, Canada
14:10,
Mathematics Division, Room 1006
Friday
20
February
2026
Colouring random graphs
Professor Konstantinos Panagiotou, LMU Munich
13:10,
Mathematics Division, Room 3001
Friday
21
November
2025
Polynomially Riesz elements: a study via Fredholm theory
Nicholas Sander, Stellenbosch
MSc defense
11:00,
Mathematics Division, Room 1006
Wednesday
29
October
2025
A parallelogram inequality for elliptic curves over function fields
Richard Griffon, Université Clermont-Auvergne
14:00,
Mathematics Division, Room 1006
Thursday
11
September
2025
Generalized B\({}^∗\)-algebras: An introduction
Professor Martin Weigt, Nelson Mandela University
11:10,
Mathematics Division, Room 3001
Thursday
27
March
2025
Embeddability of real and positive matrices
Agnes Radl, Fulda University of Applied Sciences
13:10,
Mathematics Division, Room 1006
Tuesday
11
March
2025
Counting points and Galois extensions
Takehiko Yasuda, Osaka University, Japan
15:10,
Mathematics Division, Room 1006
Wednesday
26
February
2025
(Generalized) B-Fredholm theory relative to a Banach algebra homomorphism
Jamiu Aliyu, Stellenbosch
MSc defense
15:00,
Mathematics Division, Room 1006
Thursday
20
February
2025
q-(r,s)-Stirling numbers and applications to q-multiple zeta values at roots of unity
Takao Komatsu, Nagasaki University, Japan
13:00,
Mathematics Division, Room 1006
Thursday
6
February
2025
The Phase Transitions in Directed Acyclic Graphs
Mr. Masreshaw Temere Kassaye
PhD defense
16:00,
Mathematics 1006
Monday
25
November
2024
Parameters of a Random Rooted Tree
Fameno Rakotoniaina
MSc defense
12:00,
Mathematics 1006
Wednesday
20
November
2024
On reverse representation
Gideo Joubert
MSc defense
11:00,
Mathematics 2002
Tuesday
12
November
2024
Perturbations of non-autonomous second-order abstract Cauchy problems
Dr Christian Budde, University of the Free State
12:00,
Mathematics Division, Room 1006
Wednesday
16
October
2024
On the Siegel zeros of quadratic fields and their applications
Faratiana Brice Razakarinoro
PhD defense
16:10,
Mathematics 2002
Friday
2
August
2024
Local limits of descent-biased permutations and trees
Professor Stephan Wagner, Institute of Discrete Mathematics of TU Graz
14:00,
Friday
28
June
2024
On some temporal logics of trees
Professor Willem Conradie, University of the Witwatersrand
12:00,
Mathematics Division, Room 2002
Wednesday
28
February
2024
Thought and Language in Mathematics - A paradigmatic example
Professor Hans Porst, Universität Bremen
13:00,
Mathematics Division, Room 1006
Tuesday
27
February
2024
An equivalence of categories in algebraic geometry and some unlikely intersections in powers of elliptic curves
David Smith
MSc defense
15:00,
Mathematics 1005
Monday
26
February
2024
Massively Parallel Modular Algorithms for the Image of Rational Maps
Patrick Hobihasina Rakotoarisoa
MSc defense
13:00,
Mathematics 1006
Friday
23
February
2024
Canonical Connections in Riemannian and Hermitian geometry
Brian Sarah
MSc defense
12:00,
Mathematics 1006
Monday
12
February
2024
Coherent loop states and their Application in Geometric Quantisation
Nzaganya Nzaganya
PhD defense
16:00,
Mathematics 1006
Thursday
8
February
2024
Domination and generalized domination in ordered Banach algebras
Dimby Rabearivony
PhD defense
10:00,
Mathematics 2002
Tuesday
6
February
2024
Exploring some categorical aspects of foundational concepts in algebraic geometry.
Damas Mgani
PhD defense
13:00,
Mathematics Division, Room 1006
Tuesday
6
February
2024
Study of cyclotomic extension of degree power of 2 and classification of radical extensions up to isomorphism
Elizabeth Mrema
PhD defense
18:00,
Online only
Thursday
25
January
2024
Mathematics and Art in Africa
Professor Steven Bradlow, University of Illinois at Urbana-Champaign
15:00,
Mathematics Division, Room 1006
Tuesday
12
December
2023
Algorithmic Classification of Singularities with a non-degenerate Newton Boundary
Dr Magdaleen Marais, University of Pretoria
13:00,
Mathematics Division, Room 1006
Friday
1
December
2023
Inclusion statistics and the Calogero model
Professor Stéphane Ouvry, LPTMS Université Paris-Saclay
12:00,
Mathematics Division, Room 1006
Thursday
30
November
2023
Prime Spectroscopy: exploring the distribution of prime numbers
Professor Florian Breuer, The University of Newcastle
13:00,
Mathematics Division, Room 1006
Thursday
23
November
2023
The nonvanishing of almost prime twists of modular L-functions
Tolotranirina Gabriel Andrianarisoa
MSc defense
13:00,
Mathematics Division, Room 1006
Wednesday
22
November
2023
Iwasawa theory: climbing up towers, from numbers to graphs
Dr Riccardo Pengo, Imperial College London
13:00,
Mathematics 1006
Thursday
19
October
2023
Generalised measurability and bilinear forms
Dr Charlotte Kestner, Imperial College London
13:10,
Mathematics 1006
Wednesday
13
September
2023
An Overview of Higher Category Theory
Jordan Levin, Université Sorbonne, Paris Nord
12:00,
Mathematics 1006
Wednesday
30
August
2023
Twisted rational zeros of linearly recurrent sequences
Professor Florian Luca, WITS
13:00,
Mathematics Division, Room 3001
Tuesday
11
July
2023
The square roots of some classical operators
Professor Marek Ptak, University of Agriculture in Kraków, Poland
11:00,
Mathematics Division, Room 3001
Thursday
25
May
2023
On Boolean algebras in pointfree topology
Anneliese Schauerte, University of Cape Town
13:00,
Mathematics Division, Room 2002
Wednesday
24
May
2023
Exploring the Connections between Polynomials, Field Theory, and Roots of Unity
Sophie Marques, Stellenbosch University
13:00,
Mathematics Division, Room 2002
Wednesday
19
April
2023
Some interactions between model theory and combinatorics
Gareth Boxall, Stellenbosch University
13:00,
Mathematics Division, Room 1005
Wednesday
29
March
2023
Coherent loop states and their applications
Bruce Bartlett, Stellenbosch University
13:00,
Mathematics Division, Room 1005
Tuesday
28
February
2023
Positive Weighted Koopman Semigroups on Banach lattice modules
David Olabiyi
MSc defense
13:00,
Mathematics Division, Room 1006
Monday
27
February
2023
The categorical and algebraic aspects of near-modules and near-vector spaces
Daniella Moore
MSc defense
15:00,
Natural Sciences Building, 2013
Tuesday
21
February
2023
Interplay between spectrally bounded operators and Complex Analysis
Professor Martin Mathieu, MRIA, Queen’s University Belfast, Belfast, UK
15:00,
Mathematics Division, Room 1005
Thursday
9
February
2023
Restricting the categorical notion of extensivity to morphisms in categories
Emma Theart
MSc defense
13:00,
Mathematics Division, Room 1006
Thursday
1
December
2022
Equivalence of norms via semi-inner products
Eder Kikianty
10:00,
Mathematics Division, Room 1006
Monday
21
November
2022
Bayesian Forecasting of Stock Returns using Simultaneous Graphical Dynamic Linear Models
Nelson Kyakutwika
MSc defense
16:00,
Mathematics Division, Room 1005 (streamed)
Friday
14
October
2022
Contributions to the theory of near-vector spaces, their geometry, and hyperstructures
Jacques Rabie
PhD defense
12:00,
Mathematics Division, Room 3001 (streamed)
Thursday
7
July
2022
Maps on Banach algebras which spectrally preserve algebraic operations
Francois Schulz, University of Johannesburg
11:00,
MathSci Room 1005
Friday
6
May
2022
Motivic zeta functions and the monodromy conjecture
Luigi Pagano, The University of Copenhagen
14:00,
MathSci Room 3001
Wednesday
13
April
2022
Skew Dyck paths
Professor Helmut Prodinger, Stellenbosch University
13:00,
Online only
Thursday
7
April
2022
Bounding monochromatic arithmetic progressions
Dr Jonathan Kariv,
13:00,
Online only
Thursday
31
March
2022
A Lumer–Phillips type generation theorem for bi-continuous semigroups
Dr Christian Budde, University of the Free State
14:00,
Mathematics Division, Room 1005 (streamed) - to be confirmed
Friday
11
March
2022
The algebraic area of lattice random walks
Professor Stéphane Ouvry, LPTMS Orsay CNRS/Université Paris-Saclay
13:00,
Mathematics Division, Room 3001 (streamed)
Thursday
3
March
2022
A General Theory of Structures and Their Equivalences
Mr Paul Abraham Hugo
MSc defense
18:30,
Online
Friday
4
February
2022
Investigations on the Wigner derivative and on an integral formula for the quantum 6j symbols
Ms Hosana Valimbavaka Ranaivomanana
PhD defense
16:00,
Mathematics Division, Room 1005 (streamed)
Friday
12
November
2021
Isogeny volcanoes and cryptography
Professor Fabien Pazuki, University of Copenhagen
13:00,
Mathematics Division, Room 1006 (Live streamed)
Thursday
29
July
2021
Nearaffine spaces and their application to near-vector spaces
Mr Jacques Rabie, Stellenbosch University
13:00,
Online
Wednesday
7
July
2021
Algebraic points in tame expansions of fields
Mr Andrew Harrison-Migochi
MSc defense
16:00,
Online
Tuesday
16
February
2021
An axiomatic approach to the ordinal number system
Ms Ineke van der Berg
MSc defense
16:00,
Online
Monday
23
November
2020
Torsion bounds for Drinfeld modules with complex multiplication.
Ms Mpendulo Cele
MSc defense
14:00,
Online
Friday
7
February
2020
Torsion bounds for Drinfeld modules with complex multiplication.
Mr Andry Rabenantoandro
PhD defense
11:00,
Mathematics / Ind. Psych. 1005
Wednesday
29
January
2020
Drinfeld modular forms of higher rank from a lattice-oriented point of view
Mr Liam Baker
PhD defense
14:00,
Mathematics / Ind. Psych. 1005
Wednesday
29
January
2020
Generalized rings of power series and finiteness spaces
Pierre-Alain Jacqmin, Université catholique de Louvain, Belgium
13:00,
Mathematics, Room 1006
Friday
29
November
2019
Arens regularity for Banach algebras
Professor Garth Dales, Lancaster, UK
11:00,
Mathematics, Room 1006
Friday
29
November
2019
Comparison of old and new algorithms to compute the \(s,t\)-network reliability
Simotwo Zainabu
MSc defense
10:00,
Mathematics, Room 1006
Wednesday
27
November
2019
Some new ideas on topologically quasihamiltonian groups
Dr Francesco Russo, University of Cape Town
10:00,
Mathematics, Room 1005
Wednesday
27
November
2019
Schur coupling and associated operator relations
Professor Sanne ter Horst, North-West University
11:00,
Mathematics, Room 1005
Friday
15
November
2019
On a generalisation of \(k\)-Dyck paths
Miss Sarah Selkirk
MSc defense
11:00,
Mathematics, Room 1006
Monday
21
October
2019
Multiplicative orders of elements in finite fields
Professor Florian Breuer, University of Newcastle, Australia
13:00,
Mathematics, Room 3001
Friday
11
October
2019
Contributions to the Theory of Beidleman Near-Vector Spaces.
Mr Prudence Djagba
PhD defense
14:00,
Mathematics Division, Room 1006
Wednesday
9
October
2019
Weighted centrality, and a further approach to categorical commutativity
Mr Vaino Shaumbwa
PhD defense
13:00,
Merensky, Room 0067
Tuesday
8
October
2019
Concrete Foundations for the Theory of Noetherian Forms
Mr Francois Kock van Niekerk
PhD defense
12:00,
Mathematics, Room 1006
Friday
27
September
2019
Explicit bound on Siegel zeros of imaginary quadratic fields
Mr Faratiana Brice Razakarinoro
MSc defense
14:00,
Mathematics, Room 3001
Friday
13
September
2019
A p-adic analogue of Siegel's theorem on sums of squares.
Dr Sylvy Anscombe, University of Central Lancashire
14:00,
Mathematics, Room 1005
Thursday
18
July
2019
Relatively uniformly continuous semigroups on vector lattices
Michael Kaplin, Institute of Mathematics, Physics and Mechanics, University of Ljubljana, Ljubljana, Slovenia.
12:00,
Mathematics Division, Room 1006
Wednesday
29
May
2019
Discrete Morrey spaces (Morrey sequence spaces)
Dr Eder Kikianty
11:00,
Room 1006, Mathematical Sciences/Industrial Psychology
Wednesday
29
May
2019
A Global History of Mathematics
Dr Tomoko L. Kitagawa
16:15,
Room 1006, Mathematical Sciences/Industrial Psychology
Sunday
5
May
2019
Extinction Risk in Fluctuating and Heterogeneous Environments
Miss Asmaa T.O. Tbaeen
MSc defense
11:00,
Room 1006, Mathematical Sciences Building
Thursday
28
March
2019
Unique reduced Gröbner bases of ideals of points
Professor Elena S. Dimitrova
13:00,
Room 1006, Mathematical Sciences/Industrial Psychology
Thursday
7
February
2019
Modular representation theory via homotopy theory
Professor Jesper Grodal
13:00,
Room 1005, Mathematical Sciences/Industrial Psychology
Tuesday
5
February
2019
Euler classes and Two-Dimensional Topological Quantum Field Theory
Hosana Valimbavaka Ranaivomanana
MSc defense
14:00,
Room 1006, Mathematical Sciences/Industrial Psychology
Friday
25
January
2019
A Duality-Theoretic Perspective on Formal Languages and Recognition
Julia Rozanova
MSc defense
14:00,
Room 1006, Mathematical Sciences/Industrial Psychology
Wednesday
23
January
2019
Nevanlinna Theory and Rational Values of Meromorphic Functions
Taboka Prince Chalebgwa
PhD defense
11:00,
Room 1006, Mathematical Sciences/Industrial Psychology
