AIMS South Africa Research Centre Journal Club

Journal Club

The Journal Club meets most Tuesdays. Tea is provided in the venue before the talk.

Date: Please see dates below.
Time: usually 4pm (with tea available from 3:30pm) See below for exceptions to this start time
Venue: AIMS Muizenberg, Villa, upstairs seminar room (directions)

2019

Date	Speaker and Talk
February
5 February	Professor Stéphane Ouvry, Paris Sud The algebraic area of lattice walks and the Hofstadter model: exact enumeration
12 February	Dr Yabebal Fantaye, AIMS A beautiful theory; high performance and cloud computing (2 talks)
19 February	Dr Eric Andriantiana, Rhodes University Extremal trees with fixed degree sequence
26 February	Dr Daniel Nickelsen, NIThEP, Stellenbosch University Applications of nonequilibrium Markov processes
March
5 March	Prof Stefan Jaehnichen, TU Berlin Comparing models of centralised and de-centralised accounting
12 March	Prof Rafal Marcin Lochowski, University of Warsaw Pathwise stochastic calculus of deterministic càdlàg paths - linking several approaches
19 March	Irene Kyomugisha, AIMS Machine Learning in Genomics Research
26 March	Prof Patrick Dorey, Durham University From Stokes to Reality
April
2 April	No talk -- PAMO on at AIMS
9 April	François Renaud
16 April	Samar Elsheikh, UCT
23 April	No talk
30 April	No talk
May
7 May	Dr Yaé Ulrich Gaba, IMSP Discussions around the pseudo-metrization of a partially ordered metric space
14 May	Dr Kenneth Dadedzi, AIMS The ancestral matrix of rooted trees
21 May Venue - Main Building	Dr Febe de Wet, Stellenbosch University, and Dr Astik Biswas, Stellenbosch University Semi-supervised acoustic model training for five-lingual code-switched automatic speech recognition
28 May Venue - Main Building	Dr T. L. Kitagawa, University of Oxford Making the Rules by Breaking the Rules: Deciphering the History of Mathematics and Computing
June-August	Recess

2018 schedule

Date	Speaker and Talk
September
11 September	Dr Dimbinaina Ralaivaosaona, Stellenbosch University Conditioned Galton-Watson Trees
18 September	Dr Milaine Sergine Seuneu Tchamga, AIMS Delay in Stability Switch in Singularly Perturbed Models and its Applications
25 September	Dr Daniel Nickelsen, NIThEP, Stellenbosch University How graph theory and number theory emerge in equilibration dynamics of many-body quantum systems.
October
2 October	Felicien Jordan Masakuna, AIMS, and Kayode Olaleye, AIMS Frontiers of Artificial Intelligence Deep Learning Indaba report back
9 October	Benji Meltzer, Aerobotics Learning when labels are expensive: weak and partial supervision
16 October	Augustina Frimpong, University of Ghana Phenotypic analysis of T cell diversity in paediatric malaria infection
Thursday, 18 October	Osman Musa, Vienna University of Technology Sparse Regression Codes - Approximate Message Passing, Convex Approaches and Empirical Findings
23 October	Dr Peter Jung, CommIT, TU Berlin Blind Sparse Recovery From Superimposed Non-Linear Sensor Measurements
30 October	Dr Marc Sedjro, AIMS Tanzania On some asymmetric flows
November
6 November	No Journal Club - thesis defence presentations on
13 November	No Journal Club - thesis defence presentations on
20 November	Dr Elbasher Ahmed, AIMS Axial segregation of granular flows in rotating drums
27 November	Dr S. Narjess Afzaly Isomorph-free Generation of Graphs
December
4 December	Taboka Prince Chalebgwa, AIMS Algebraic values of certain entire functions of order less than one
11 December	IWR Workshop on at AIMS
18 December	Professor Abdul Kara, Wits On the relationship between the invariance and conservation laws of differential equations

Date	Speaker and Talk
January	Recess -- MISG and other workshops on
February
6 February	No Talk
13 February	Week of International Day of Women and Girls in Science Speaker: Dr Diletta Martinelli, Edinburgh University A gentle introduction to the Minimal Model Program
20 February	Martha N. Kamkuemah, AIMS and Stellenbosch University The net of devices using TCP
Monday, 26 February 7pm, Main Building	Prof Alan F. Beardon, University of Cambridge and AIMS On an exact formula for a root of the equation p(z)=0, where p is any polynomial of any degree. Lecture 1 This talk will be in the Main Building at 7pm.
Tuesday, 27 February 7pm, Main Building	Prof Alan F. Beardon, University of Cambridge and AIMS On an exact formula for a root of the equation p(z)=0, where p is any polynomial of any degree. Lecture 2 This talk will be in the Main Building at 7pm. It replaces the usual afternoon Journal Club meeting.
March
6 March	Week of International Women's Day Speaker: Lyndsay Kerr, University of Strathclyde Discrete Coagulation-Fragmentation Systems Abstract
13 March	Dr Lindiwe Tshuma, AIMSSEC Multiple levels and aspects of language competency in English and Intermediate Phase mathematics teachers: An analysis of case of the Eastern Cape Province
20 March	Audace Amen Vioutou Dossou-Olory, Stellenbosch University Inducibility of Trees: A Probabilistic Approach
27 March	Prof Patrick Dorey, Durham University Breaking integrability at the boundary
April
3 April	Dr Nirina Maurice Hasina Tahiridimbisoa, AIMS Symmetric group on the dynamic of Axelrod model for dissemination of cultures.
10 April	Data Science Workshop on -- No Talk
17 April	Prof Tim Gendron, Universidad Nacional Autónoma de México \| UNAM · Institute of Mathematics Quasicrystals and the Quantum Modular Invariant: Toward a Solution of the Real Multiplication Problem in Characteristic Zero
24 April	Emily Muller, AIMS Determining the Mechanisms of Social Network Evolution
May
1 May	*Workers' Day Holiday -- No Talk*
8 May	Dr Charles Maepa, University of Pretoria On Lipschitz p-compact operators
15 May	Dr Carl A. B. Pearson, United States Africa Command and Stellenbosch University Modeling Public Health Interventions
22 May	Emmanuel Dufourq, AIMS and UCT Facial expression recognition using convolutional neural networks
29 May	Jean Bernoulli Ravelomanana, Stellenbosch University Tanglegrams
June-August	Recess

2017 Calendar

September to December 2017

Date	Speaker and Talk
September
12 September	Professor Jeff Sanders, AIMS Journal Club and Crypto-currency
19 September	IEEE Africon conference, Cape Town
26 September	Professor Jeff Sanders, AIMS Crypto-currency
October
3 October	Abdoelnaser Degoot, AIMS A Biophysical Model for Predictions of Peptide:HLA-DR Interactions Based on Genomic and Structural Data
10 October	Professor Alan Beardon, University of Cambridge and AIMS Riemann surfaces: old and new
Monday, 16 October at 3pm Main Lecture Hall	General Talk: Dr Eddy Kimba Phongi, Visiting Researcher, AIMS KimbaJacks Maths Puzzle Game
17 October	Mhlasakululeka Mvubu, Alice Nanyanzi, Innocenter Amima and Jordan Félicien Masakuna, AIMS Deep Learning: Not a technique, but a powerful tool
24 October	Dr Eddy Kimba Phongi, Visiting Researcher, AIMS Nonstandard finite-difference on a singularly perturbed problem. The case of exchange of stability
31 October	Dr Bruce Bartlett, Stellenbosch University Generators and relations for the bicategory of 3-manifolds
November
7 November	Dr Dimbinaina Ralaivaosaona, Stellenbosch University The average distance in randomly perturbed graphs
14 November	Dr Rejoyce Gavhi-Molefe, AIMS One-Parameter Interpolatory Subdivision Convergence
21 November	Jordan Félicien Masakuna, AIMS Tackling Inconsistency in Classifier Fusion
28 November	Dr Ronalda Benjamin, Stellenbosch University Connections between Fredholm Theory and Positivity in General Ordered Banach Algebras
December
5 December	Dr Emmanuel Adabor, AIMS Machine learning approaches to decipher hormone and HER2 receptor status phenotypes in breast cancer
12 December	Professor Abdul Kara, University of the Witwatersrand Dealing with symmetries and conservation laws of nonlinear Schrodinger equations

February to June 2017

Date	Speaker and Talk
February 2017
Thursday, 2 February Note: this talk is on a Thursday	Prof Jane L Hutton, Department of Statistics, The University of Warwick, Coventry, UK Missing data and how to see biased results
Tuesday, 7 February	Prof Elissa J. Schwartz, Washington State University Modeling immune system evasion by HIV and similar retroviruses
14 February	Dr Stefano Galmarini, EC/Joint Research Center, Ispra, Italy Predicting and assessing atmospheric dispersion of pollutants from multiple model results: The power (and danger) of multi-model ensembles
21 February	Mathematical Finance Summer School on at AIMS
28 February	Buri Gershom, AIMS and SACEMA Differential expression analysis of count data: a bottom up approach
March 2017
7 March Venue: AIMS Main Building	Dr Tom Brown, Frankfurt Institute for Advanced Studies An Interdisciplinary View on the Transition to an Energy System Based on Renewables This talk will be in the AIMS Main Building, 6 Melrose Road. Dr Tom Brown's talk slides
14 March	Prof Philibert Nang, Ecole Normale Supérieure of Libreville, Gabon Introduction to D-modules
21 March	Human Rights Day.
28 March	Dr Christian Kenfack Sadem, Mesoscopic and Multilayer Structures Laboratory, Faculty of Science, Department of Physics, University of Dschang, Cameroon Tunable Potential and Decoherence of Polaron in Semiconductor Quantum Wire
April 2017
4 April	Dr Diptarup Nandi, Indian Institute of Science A sensory ecological perspective on mate sampling strategies: Models and an empirical test
Tues, 11 April	Kossi Etekpo, AIMS and UCT Numerical solution of subsurface reservoir simulation
Wed, 12 April	General Talk: AIMS Main Building Prof Felix Mora-Camino, French Civil Aviation Institute-ENAC Advances in Operations Research for Air Transportation Planning and Operations Note that this talk is on a Wednesday at 2pm and in the AIMS Main Building
18 April	Dr Gaston Kuzamunu Mazandu, AIMS Can mathematical sciences change the state of the battle against communicable and non-communicable diseases?
25 April	Dr Alberto Cazzaniga, AIMS The ADE classification and related invariants
May 2017
2 May	Ephifania Geza, AIMS The Evolution of Ancestry Deconvolution
Tues, 9 May	Dr Bubacarr Bah, AIMS Bounds of restricted isometry constants for Gaussian matrices
Thurs, 11 May Please note this talk is on a Thursday.	Dr Daniel Nickelsen, NITheP Realistic equilibration in quantum spin systems
16 May	Prof Elissa J. Schwartz, Washington State University Free-virus and cell-to-cell transmission in models of equine infectious anemia virus infection
23 May	Prof Robert Smith?, The University of Ottawa Unexpected infection spikes in a model of Respiratory Syncytial Virus vaccination
30 May Note: in HALL Building	Dr Nantsoina Cynthia Ramiharimanana, AIMS Embedding Problems and Minimal Ramification The venue for this talk is the AIMS HALL Building (Cosomology area), 7 Melrose Road
June 2017
6 June Note: in HALL Building	Dr Ali Zahabi, University of the Witwatersrand and Queen Mary University of London Universality in integrable combinatorics/probability: the curious case of generalized XX0 spin chain The venue for this talk is the AIMS HALL Building (Cosomology area), 7 Melrose Road
Tuesday, 13 June	Audace Amen Vioutou Dossou-Olory, Stellenbosch University On the Maximum Asymptotic Density of Topological d-ary Trees
Tuesday, 20 June	August Intake Graduation - No Journal Club meeting
Thursday, 22 June	Dr Mokhwetha Mabula, Department of Mathematics and Applied Mathematics, University of Pretoria Cone Metric and Metric Spaces Please note that this talk will be on a Thursday.
Tuesday, 27 June	Zoe Gill, Stellenbosch University and Dr Wilfred Ndifon, AIMS and Stellenbosch University Mechanistic null models in science: from data to theory and back
July 2017	Recess
August 2017	Recess

2016 Talks

Date	Speaker and Talk
September 2016
6 September	Dr. Rafal Marcin Lochowski, Univeristy of Warsaw Irregular paths-between determinism and randomness
13 September	Mr. Nirina Maurice Hasina Tahiridimbisoa, Wits University, AIMS-SA Novel use of symmetry in the AdS/CFT correspondence
20 September	Dr. Didier Belobo, Yaounde I University. 'Exact' solutions of the nonlinear Schrödinger equation with time management cubic-quintic nonlinearities and external fields : application to Bose-Einstein condensates.
27 September	Mr. Evans Doe Ocansey, Research Institute for Symbolic Computations (RISC), Hagenberg and Johannes Kepler University, Linz, Austria. Representation of (q)-hypergeometric products and mixed versions in difference rings.
October 2016
4 October	Professor Abdul Kara, University of the Witwatersrand The Invariance, Conservation Laws and Integration of Difference Equations
11 October	Dr. Siyabonga Chule, AIMS Research Center The analysis of the locally - risk minimization hedging strategy for robust hedging under the informational context of mis-pricing: Computations in the k=1 state space.
18 October	Dr. Juliet Pulliam, SACEMA, Univeristy of Stellenboch Resource-driven encounters and pathogen invasion dynamics: a case-study in interdisciplinary research and training.
25 October	Dr. Rhoda J Hawkins and Dr. Simon Johnston, University of Sheffield, UK The role of biopolymers in the immune response to fungal infection.
November 2016
1 November
8 November	Wanele Gcinumuzi, AIMS Research Centrer Application of Filtering to Calibration of Financial Models
15 November	Siboniso Nqubeko Goba, Univeristy of Stellenboch Analysing tuberculosis and human immunodeficiency in the burden of tuberculosis in South Africa.
24 November	Dr Marie Joubert and Ingrid Mostert, AIMSSEC A South African take on an EU project: Formative assessment in mathematics classrooms
29 November	Dr Amare Abebe, Department of Physics, North-West University Covariant Consistency Analysis of the Einstein Field Equations in 4th -order Gravity.
December 2016
6 December	Dr. Theoni Photopoulou, University of Cape Town Statistical models for animal movement

February-May 2016

Date	Speaker and Talk
2 February 2016	Yaé Ulrich Gaba, AIMS Algebraic conditions in the QPM problem
9 February	Professor Alan F. Beardon, University of Cambridge and AIMS Continued fractions and hyperbolic geometry
16 February	Dr Solomon Owerre, Perimeter Institute for Theoretical Physics and AIMS An introduction to two-dimensional Dirac metal and topological insulators
23 February	Dr Siyabonga Chule, AIMS The analysis of hedging approaches in an incomplete financial market model using dynamic programming

1 March	Professor Alan F. Beardon, University of Cambridge and AIMS Sums of powers of integers
3 March Note: This talk is on a Thursday at 5pm	Dr Stephen M. Wilkins, University of Sussex Exploring the End of the Dark Ages * Note that this talk is on a Thursday at 5pm and will be in the Main Lecture Hall
8 March	International Women's Day Samantha Jones, University of Cape Town An Overview of the Liquidity of the South African Vanilla Bond Market and the Impact on Credit Spreads
15 March	Kossi Etekpo, University of Cape Town and AIMS Numerical schemes for transport equations in porous media
22 March	No talk (SANUM on at Stellenbosch)
31 March Note: This talk is on a Thursday	Dr André Saint Eudes Mialebama Bouesso, AIMS and Dr Sylvain Attan, University of Benin Syzygies on path algebras

5 April	No talk - system identification workshop on
12 April	Elia Namundjebo, AIMS The Double Heston Model via Kalman Filter
14 April Note: This talk is on a Thursday	Pascal Wild, AIMS What is Topological Data Analysis (TDA)? Pascal's topological data analysis slides
19 April	Dr Dr Bawfeh Kingsley Kometa, University of Bergen, Norway High order semi-Lagrangian discontinuous Galerkin methods
28 April Note: This talk is on a Thursday	Guy Moïse Dongho Nguimdo, University of the Witwatersrand Structural stability and solar cell performance of AgInS2 materials

3 May	No talk - biomaths workshop on
10 May	Dr Franck Kalala Mutombo, AIMS and University of Lubumbashi Centrality measures in complex networks Franck's centrality talk slides
17 May	No talk
Tuesday, 24 May	Grace Mwakyoma, AIMS A link between Hofer’s geometry and Aubry-Mather theory
Thursday, 26 May Note: This talk is on a Thursday	Dr Wilfred Ndifon, AIMS Searching for principles in biological systems
31 May	No talk - MMED workshop on
June - August	Recess

Subpages (6): Abstracts 2016 Abstracts 2017 Abstracts 2018 Abstracts Sep-Dec 2016 Journal Club 2015 March-June 2015