Sydney–UNSW Joint Colloquium
This event aims at providing opportunity for staffs and visitors of the Schools of Mathematics and Statistics at the University of Sydney and the University of New South Wales to visit each other. For any other information, please contact Liangyi Zhao (UNSW) or Leo Tzou (Sydney Uni).
The talks are supposed to be suitable for general audience.
Talks
 

May 07, 2019  David Harvey UNSW 
Integer multiplication in time O(n log n)  
12:00 –13:00PM  
(UNSW Red Centre 4082)  
 
Nov 20, 2018  Greg Martin University of British Columbia 
Prime number races  
12:00 –13:00PM  
(UNSW Red Centre 4082)  
 
Oct 26, 2018  Enrico Le Donne University of Jyvaskyla 
Mathematical appearances of subRiemannian geometries  
14:00 –15:00PM  
(UNSW Red Centre 4082)  
 
March 26, 2018  Gunther Uhlmann University of Washington 
Sydney Ideas – Inverse Problems and Harry Potter's Cloak  
18:00 –19:30PM  
(General Lecture Theatre The Quadrangle (A14) University of Sydney)  
 
March 23, 2018  Terry Gannon University of Alberta 
Moonshine: Old and New  
14:00 –15:00PM  
(RC4082, The Red Centre, UNSW)  
 
Feb 8, 2018  Luc Vinet University of Montreal 
osp(1,2), the BannaiIto Algebra and Generalizations  
12:00 –1:00PM  
(RC4082, The Red Centre, UNSW)  
 
Feb 2, 2018  Craig Tracy UC Davis 
Beyond the BellShaped Curve: A New Universal Law  
2:30 –3:30PM  
(Carslaw 524)  
 
Dec 11, 2017  Jim Isenberg University of Oregon 
Strong Cosmic Censorship  
2:30 –3:30PM  
(Carslaw 273)  
 
Nov 20, 2017  Johann Makowsky Technion – Israel Institute of Technology 
Integer Sequences Arising from Graph Polynomials: An Application of a Theorem by C. Blatter and E. Specker  
2:00 –3:00PM  
(RCM032, The Red Centre, UNSW)  
 
Nov 03, 2017  Peter Kim University of Sydney, 
Modelling evolution of postmenopausal human longevity: The Grandmother Hypothesis  
2:30 –3:30PM  
(Carslaw 275, USYD)  
 
Oct 31, 2017  Nassif Ghoussoub University of British Columbia, Director of Banff International Research Station for Mathematical Innovation and Discovery 
Sydney Ideas  Mathematical Heroes and Social Justice  
6:00 –7:00PM  
(Law School LT 026,, USYD)  
 
Oct 13, 2017  Geordie Williamson University of Sydney 
Challenges in the representation theory of finite groups  
2:30 –3:30PM  
(Carslaw373,, USYD)  
 
Oct 06, 2017  Nassif Ghoussoub University of British Columbia, Director of Banff International Research Station for Mathematical Innovation and Discovery 
On the structure of optimal martingale transport plans in general dimensions  
3:00 –4:00PM  
(Carslaw373,, USYD)  
 
May 31, 2017  Dimitri Nikshych University of New Hampshire 
The Witt group of braided fusion categories  
2:00 –3:00PM  
(RCM4082,, UNSW)  
 
May 26, 2017  Shinnosuke Okawa Osaka University 
Derived equivalence and Grothendieck ring of varieties  
2:00 –3:00PM  
(RC4082, UNSW)  
 
Apr 28, 2017  Amie Wilkinson University of Chicago 
Robust mechanisms for chaos  
2:30 –3:30PM  
(Carslaw 375, USYD)  
 
Apr 07, 2017  Shige Peng Shandong University 
Databased Quantitative Analysis under Nonlinear Expectations  
3:00 –4:00PM  
(Carslaw 373, USYD)  
 
Nov 25, 2016  Tomoyuki Arakawa Kyoto University 
MooreTachikawa conjecture and chiral algebras of class S  
2:30 –3:30PM  
(Carslaw 373, USYD)  
 
Nov 08, 2016  Norman Wildberger UNSW 
Primes, Complexity and Computation: How Big Number theory resolves the Goldbach Conjecture  
3:00 –4:00PM  
(RC4082, The Red Centre, UNSW)  
 
Nov 4, 2016  Felipe Voloch University of Canterbury 
The ABC Conjecture  
2:00 –3:00PM  
(RC4082, The Red Centre, UNSW)  
 
Nov 1, 2016  Steve Galbraith University of Auckland 
Linear Algebra with Errors, Coding Theory, Cryptography and Fourier Analysis on Finite Groups  
12:00 –1:00PM  
(RC4082, The Red Centre, UNSW)  
 
Oct 21, 2016  Alistair McEwan and Andrea Samore University of Sydney Electrical Engineering 
Electrical Impedance Tomography in Cardiology and Neurology  
2:30 –3:30PM  
(Carslaw 375, USYD)  
 
Oct 14, 2016  Ken Dykema Texas AM University 
Single commutators and beyond  
2:00 –3:00PM  
(RC4082, The Red Centre, UNSW)  
 
Aug 12, 2016  Bill Banks University of Missouri 
On repeated values of the Riemann zeta function on the critical line  
2:00 –3:00PM  
(RC4082, The Red Centre, UNSW)  
 
June 21, 2016  Janos Pach EPFL, Lausanne and Renyi Institute, Budapest 
Towards a semialgebraic combinatorics  
2:00 –3:00PM  
(RCM032, The Red Centre, UNSW)  
 
May 13, 2016  Geraint Lewis School of Physics, University of Sydney 
The maths (and physics) of gravitational waves  
2:30 –3:30PM  
(Carslaw 375, USYD)  
 
April 29, 2016  Steve Flammia School of Physics, University of Sydney 
Quantum information science: a grand mathematical challenge  
2:30 –3:30PM  
(Carslaw 275, USYD)  
 
April 28, 2016  Michael Berry H H Wills Physics Laboratory, University of Bristol, UK 
Divergent series: from Thomas Bayes’s bewilderment to today’s resurgence via the rainbow  
2:00 –3:00PM  
(Carslaw 350, USYD)  
 
Mar 04, 2016  Alex Townsend MIT 
Continuous analogues of matrix factorizations  
2:30 –3:30PM  
(Carslaw 275, USYD)  
 
Jan 29, 2016  Vaughan Jones Vanderbilt University 
Some unitary representations of Thompson's groups F and T  
2:00 –3:00PM  
(Red Centre room M010, UNSW)  
 
Dec 4, 2015  Persi Diaconis Stanford 
Adding Numbers and Shuffling Cards  
2:00 –3:00PM (NOTE THE UNUSUAL TIME)  
(Carslaw 275, USYD)  
 
Oct 16, 2015  Banghe Li Chinese Academy of Sciences 
Starting from the Blog of Terence Tao on Nonstandard Analysis  
2:30 –3:30PM  
(Carslaw 373, USYD)  
 
Sept 18, 2015  Zsuzsanna Dancso ANU 
The KashiwaraVergne problem and flying rings in R^3  
2:30 –3:30PM  
(Carslaw 373, USYD)  
 
Aug 28, 2015  Aidan Sims University of Wollongong 
Graphs, C*algebras and equilibrium states  
2:00 –3:00PM  
(RC4082, The Red Centre, UNSW)  
 
Aug 21, 2015  Gordon Blower Lancaster University 
On tau functions arising from linear systems  
2:30 –3:30PM  
(Carslaw 373, USyD)  
 
July 31, 2015  Alexander Bobenko Technische Universitat Berlin 
Quadrilateral surfaces  
2:30 –3:30PM  
(Carslaw 175, USyD)  
 
CANCELLED Mar 27, 2015 CANCELLED  CANCELLED Zsuzsanna Dancso CANCELLED (ANU) 
CANCELLED The KashiwaraVergne problem and flying rings in R^3 CANCELLED  
2:30 –3:30PM  
(Carslaw 275, USyD)  
 
Mar 13, 2015  Aidan Sims (Wollongong) 
CANCELLED: Graphs, C*algebras and equilibrium states  
CANCELLED 2:00 –3:00PM  
(CANCELLED)  
 
Feb 27, 2015  Michael Barnsley (ANU) 
Approximation of fractal functions by Weierstrass nowhere differentiable functions.  
2:00 –3:00PM  
(RC4082, Red Centre, UNSW)  

Talks in 2014
 

November 21, 2014  Jeff Geronimo (Georgia Institute of Technology, USA) 
The FejerReisz Factorization Lemma  
2:30 –3:30PM  
(Carslaw 535, Sydney)  
 
November 14, 2014  Tim Dokchitser (Bristol, UK) 
Average ranks of curves  
2:30 –3:30PM  
(Carslaw 275, Sydney)  
 
October 31, 2014  Alvaro Pelayo (UCSD) 
Classical and Quantum Integrable Systems  
2:30 –3:30PM  
(Carslaw 275, Sydney)  
 
August 22, 2014  Kang Zuo (University of Mainz, Germany) 
Higgsde Rham flow in the nonabelian padic Hodge theory and a padic analogue of the uniformization theory of a hyperbolic Riemann surface  
2:30 –3:30PM  
(Carslaw 275, Sydney)  
 
August 15, 2014  Kate Juschenko (Northwestern University) 
Amenability via actions of groups  
2:30 –3:30PM  
(RC4082, The Red Centre, UNSW)  
 
June 06, 2014  David Jordan (University of Texas at Austin) 
Quantum groups, then and now  
2:30 –3:30PM  
(Carslaw 175, Sydney)  
 
May 30, 2014  Karen Parshall (University of Virginia) 
"A New Era in the Development of Our Science": The American Mathematical Research Community, 19201950  
2:30 –3:30PM  
(RC4082, The Red Centre, UNSW)  
 
May 02, 2014  Viktoria Heu (IRMA, University of Strasbourg) 
Some aspects of the RiemannHilbert correspondence  
2:00 –3:00PM  
(Carslaw 175, Sydney)  
 
March 28, 2014  David Evans (Cardiff University) 
The search for the exotic  subfactors and conformal field theory  
2:00 –3:00PM  
(RC4082, The Red Centre, UNSW)  
 
March 14, 2014  Masoud Kamgarpour (UQ, Brisbane) 
Symmetries in mathematics: a personal perspective  
2:30 –3:30PM  
(Carslaw 175, Sydney)  
 
March 7, 2014  Xiao Zhang (Chinese Academy of Science) 
Some Geometrical Problems in General Relativity  
2:30 –3:30PM  
(Carslaw 175, Sydney)  
 
January 31, 2014  Henrique Bursztyn (IMPA, Brazil) 
Lie theory and geometry of groupoids  
2:00–3:00PM  
(RC4082, Red Centre Building, UNSW)  
 
January 24, 2014  Henrik Kragh Sorensen (Aarhus, Denmark) 
Abel's exception, history of infinity and cognitive accounts of mathematics: One chance fumbled and another one missed  
2:00–3:00PM  
(RC4082, Red Centre Building, UNSW)  

Talks in 2013
November 15, 2013 (Carslaw 173, Sydney)  
2:30–3:30PM  Robert Coquereaux (Luminy, Marseille)  From the representation theory of compact Lie groups and their finite subgroups to modular fusion categories associated with affine Lie algebra at some level (or quantum groups at roots of unity) and their modulecategories. 
November 5, 2013 (RC4082, Red Centre Building, UNSW)  
12:00–1:00PM  Ken Dykema (Texas A&M, USA)  Invariant suspaces and upper triangular forms for classes of infinite dimensional operators 
October 18, 2013 (Chemistry Lecture Theatre 2, Sydney)  
2:30–3:30PM  Xiaodong Cao (Cornell)  Ricci flow, Einstein manifolds and Ricci solitons 
October 10, 2013 (Chemistry Lecture Theatre 4, Sydney)  
2:30–3:30PM  Robert Bryant (Duke)  Convex Billiards and Nonholonomic Systems 
June 7, 2013 (RC4082, Red Centre Building, UNSW)  
2:00–3:00PM  Martin Dyer (Leeds, UK)  The counting constraint satisfaction problem 
May 31, 2013 (Chemistry Lecture Theatre 2, Sydney)  
2:30–3:30PM  Eyvindur Ari Palsson (Rochester)  kpoint configurations and multilinear generalised Radon transforms 
May 17, 2013 (Chemistry Lecture Theatre 2, Sydney)  
2:30–3:30PM  Sukhendu Mehrotra (CMI)  Noncommutative K3 surfaces 
May 3, 2013 (RC4082, Red Centre Building, UNSW)  
2:00–3:00PM  Anthony Licata (ANU, Canberra)  Positivity and integrality from higher representation theory 
March 8, 2013 (Chemistry Lecture Theatre 2, Sydney)  
2:30–3:30PM  Leonard Scott (Virginia)  The Legacy of the Wall and Guralnick Conjectures 
Talks in 2012
Nov. 30, 2012 (Talk 2) (Chemistry Lecture Theatre 2, Sydney)  
3–4PM  Michael Joswig (TUDarmstadt)  Tropical Combinatorics 
Nov. 30, 2012 (Talk 1) (Chemistry Lecture Theatre 2, Sydney)  
2–3PM  Susan Friedlander (USC)  Active Scalar Equations and a Geodynamo Model 
Nov. 16, 2012 (RC4082, Red Centre Building, UNSW)  
12NOON–1PM  Anthony Quas (Victoria)  Low Complexity Alpern Lemmas: How Can You Tile a Floor With a Mixture of Metric and Imperial Tiles? 
Oct. 26, 2012 (OMB149, Old Main Building, UNSW)  
2:30–3:30PM  Alexander Fish (Sydney)  HeisenbergWeil Representation and DelayDoppler Channel Estimation in Wireless Communication 
Oct. 5, 2012 (Talk 2) (OMB149, Old Main Building, UNSW)  
3–4PM  Richard Melrose (MIT)  Towards Analysis on Loop Manifolds 
Oct. 5, 2012 (Talk 1) (OMB149, Old Main Building, UNSW)  
2–3PM  Ferdinand Verhulst (Utrecht)  Life and Work of Henri Poincare 
Aug. 24, 2012 (OMB150, Old Main Building, UNSW)  
2:30–3:30PM  Claude Viallet (LPTHE)  Discretetime Dynamical System: Integrable Or Not Integrable? 
Aug. 17, 2012 (RC4082, Red Centre Building, UNSW)  
2–3PM  Daniel Burns (Michigan)  Algebraicization of Complex Manifolds and the Complex MongeAmpere Equation 
Aug. 3, 2012 (Chemistry Lecture Theatre 4, Sydney University)  
2:30–3:30PM  Boris Dubrovin (SISSA)  On Geometrical Structures and Properties of Solutions to Hamiltonian Partial Differential Equations 
Jun. 8, 2012 (Carslaw 175, Sydney University)  
2:30–3:30PM  Joseph Maher (CUNY)  Random Walks on Graphs and Groups 
Apr. 20, 2012 (RC4082, Red Centre Building, UNSW)  
2–3PM  Sheehan Olver (Sydney)  Numerical Free Probability: Computing Eigenvalue Distributions of Large Random Matrices 
Apr. 13, 2012 (OMB145, Old Main Building, UNSW)  
2–3PM  Alexandru Dimca (Nice)  On the Monodromy of Hyperplane Arrangements 
Mar. 30, 2012 (Carslaw 175, Sydney University)  
2:30–3:30PM  Simon Kristensen (Aarhus)  Metrical Musings on Littlewood and Friends 
Mar. 23, 2012 (RC4082, Red Centre Building, UNSW)  
2–3PM  Peter J. Olver (Minnesota)  Moving Frames in Applications 
Mar. 16, 2012 (Carslaw 175, Sydney University)  
2:30–3:30PM  Philip J. Boland (UCD)  W. S. Gosset or "Student" Guinness Brewer in Charge of Statistics 
Mar. 2, 2012 (Talk 2) (Carslaw 275, Sydney University)  
3–4PM  Maxim Zinchenko (Central Florida)  Nonlinear Fourier Analysis 
Mar. 2, 2012 (Talk 1) (Carslaw 275, Sydney University)  
2–3PM  Anna Skripka (Central Florida)  Applications of Noncommutative Analysis 
Talks in 2011
Dec. 16, 2011 (Carslaw 375, Sydney University)  
2–3PM  Eddy Godelle (Caen)  Hecke Algebras and Renner Monoids 
Oct. 28, 2011 (RC4082, Red Centre Building, UNSW)  
2–3PM  Peter Kim (Sydney)  Bridging AgentBased Models and PDEs: a Model of Cell Differentiation 
Oct. 21, 2011 (Carslaw 175, Sydney University)  
2:30–3:30PM  Jerzy A. Filar (Flinders)  The Hamiltonian Cycle Problem, Markov Chains and Optimization 
Aug. 26, 2011 (Carslaw 175, Sydney University)  
2:30–3:30PM  Peter Sarnak (Princeton)  Zeroes and Nodal Lines of Modular Forms (as part of Mahler Lectures) 
Aug. 26, 2011 (Carslaw 175, Sydney University)  
12–1PM  Marston Conder (Auckland)  Symmetry and Chirality in Discrete Structures 
Aug. 12, 2011 (RC4082, Red Centre Building, UNSW)  
2–3PM  Ian Grojnowski (Cambridge)  Representation Theory and Differentiation 
Jul. 22, 2011 (RC4082, Red Centre Building, UNSW)  
2:30–3:30PM  Gang Tian (Princeton)  New Geometric Flows 
Jun. 10, 2011 (Carslaw 175, Sydney University)  
2:30–3:30PM  Ross C. McPhedran (Sydney)  Angular Lattice Sums and the Riemann Hypothesis 
May 6, 2011 (Carslaw 175, Sydney University)  
2:30–3:30PM  Frank Calegari (Northwestern)  Reciprocity and the Langlands Program 
Mar. 25, 2011 (Carslaw 175, Sydney University)  
2:30–3:30PM  Vladimir Bazhanov (ANU)  Quantum Geometry and Integrable Systems 
Feb. 18, 2011 (Carslaw 175, Sydney University)  
2:30–3:30PM  Bill Moran (Melbourne)  Half a Mathematical Lifetime with Gavin 
Talks in 2010
Dec. 10, 2010 (Carslaw 175, Sydney University)  
2:30–3:30PM  Sergey Ajiev (UNSW)  Holder Classification of Spheres and Tsar'kov Phenomenon 
Dec. 3, 2010 (Carslaw 175, Sydney University)  
2:30–3:30PM  S. Jon Chapman (Oxford)  Stochastic Models of Reaction Diffusion 
Nov. 19, 2010 (OMB145, Old Main Building, UNSW)  
2–3PM  Zhou Zhang (Sydney)  Introduction to Ricci Flow 
Nov. 5, 2010 (OMB145, Old Main Building, UNSW)  
2–3PM  Anne Thomas (Sydney)  Surface Quotients of Hyperbolic Buildings 
Oct. 29, 2010 (Carslaw 175, Sydney University)  
2–3PM  Matthew Dyer (Notre Dame)  Groupoids with Root Systems 
Aug. 20, 2010 (Carslaw 175, Sydney University)  
2:30–3:30PM  Jim Franklin (UNSW)  DataFree Statistics 
Aug. 6, 2010 (Carslaw 175, Sydney University)  
2:30–3:30PM  JM Landsberg (Texas A&M)  P vs NP and the Geometry of Orbit Closures 
Mar. 12, 2010 (Carslaw 175, Sydney University)  
2–3PM  Alex Dimca (Nice)  From Lang's Conjecture to Torelli Groups 
Feb. 19, 2010 (Carslaw 273, Sydney University)  
2–3PM  Tara Holm (Cornell)  Act Globally, Compute Locally: Group Actions, Fixed Points, and Localization 
Talks in 2009
Oct. 16, 2009 (RC4082, Red Centre Building, UNSW)  
2–3PM  Gus Lehrer (Sydney)  Classical and Quantum Invariant Theory 
Oct. 9, 2009 (Carslaw 275, Sydney University)  
2–3PM  Zdzislaw Brzezniak (York)  Stochastic LandauLifschitzGilbert Equation 
Sept. 4, 2009 (Carslaw 275, Sydney University)  
2–3PM  Alan McIntosh (CMA&ANU)  The Kato Square Root Problem  a New Approach with Applications to Boundary Value Problems 
Aug. 21, 2009 (Carslaw 275, Sydney University)  
2–3PM  Sergey Ajiev (UNSW)  Homogeneous Right Inverses and Metric Projections 
Aug. 14, 2009 (RC3084, Red Centre Building, UNSW)  
2–3PM  Stephan Tillman (Queensland)  Complexity of 3manifolds 
Aug. 7, 2009 (Carslaw 275, Sydney University)  
2–3PM  Tuomas Hytonen (Helsinki)  How to Choose Random Cubes, and Why? 
Jul. 27, 2009 (Carslaw 275, Sydney University)  
1–2PM  Marius Mitrea (Missouri)  Singular Integral Operators and Boundary Value Problems: Recent Progress 
Jul. 24, 2009 (RC4082, Red Centre Building, UNSW)  
2–3PM  David Rule (Edinburgh)  Weighted Norm Inequalities for PseudoDifferential 
Jul. 20, 2009 (Carslaw 275, Sydney University)  
12–1PM  Gang Tian (Princeton)  Curvature Flows and Complex Geometry 
Jul. 14, 2009 (Carslaw 173, Sydney University)  
12–1PM  Justin Sawon (Colorado State)  Holomorphic Coisotropic Reduction 
Apr. 24, 2009 (Carslaw 173, Sydney University)  
2–3PM  Michael Cowling (Birmingham)  Maps of Groups that Send Cosets to Cosets 
Mar. 13, 2009 (Carslaw 275, Sydney University)  
2–3PM  Irene Fonseca (Carnegie Mellon)  Variational Methods in Materials and Imaging 
Talks in 2008
Nov. 26, 2008 (Carslaw 175, Sydney University)  
12–1PM  Vaughan Jones (Berkeley)  Planar Algebra 
Nov. 14, 2008 (RC4082, Red Centre Building, UNSW)  
2–3PM  Richard M Hain (Duke)  Elliptic Curves and Multiple Zeta Numbers 
Oct. 31, 2008 (RC4082, Red Centre Building, UNSW)  
1–2PM  Dorin Bucur (Savoie)  Variational Approach for Isoperimetric Inequalities 
Oct. 24, 2008 (RC4082, Red Centre Building, UNSW)  
2–3PM  Garth Dales (Leeds)  MultiNormed Spaces and MultiBanach Algebras 
Oct. 17, 2008 (Carslaw 173, Sydney University)  
1–2PM  Henrik Kragh Sorenson (Aarhus)  The Irony of Romantic Mathematics 
Sept. 26, 2008 (RC4082, Red Centre Building, UNSW)  
2–3PM  Stephen Tillmann (Melbourne)  What is the Thurston Norm? 
Aug. 22, 2008 (RC4082, Red Centre Building, UNSW)  
2–3PM  Herbert E Huppert (DAMTP)  Fluid Modelling of Carbon Dioxide Sequestration 
Jun. 6, 2008 (RC4082, Red Centre Building, UNSW)  
2–3PM  Mike Field (Houston)  Dynamical Zeta Functions and Mixing 
May 30, 2008 (RC4082, Red Centre Building, UNSW)  
2–3PM  Ian Morrison (Fordham)  Birational Geometry of Moduli Spaces of Curves 
Apr. 24, 2008 (RC4082, Red Centre Building, UNSW)  
2–3PM  Susan G Williams (South Alabama)  Knots and Algebraic Dynamical Systems 
Mar. 14, 2008 (RC4082, Red Centre Building, UNSW)  
2–3PM  Rodney Baxter (ANU)  The "StarTriangle" or "YangBaxter" Relations in Statistical Mechanics 