
Seminar 
Complex Systems workshop 2024 
Eduardo Altmann  31 Oct 
SMRI Seminar: Hohlweg  ArtinTits groups, Coxeter groups and Shi arrangements 
Catherine Meister  23 Oct 
Algebra Seminar: Hohlweg  Shi arrangements in Coxeter groups 
Alex Sherman  22 Oct 
Algebra Seminar: Scherich  An algorithm to Detect NonOrder Preserving Braids 
Alex Sherman  17 Oct 
Algebra Seminar: Huerta  Vertex superalgebras from prefactorization algebras 
Alex Sherman  15 Oct 
Statistics Seminar: Tran  Bayesian Computation as Optimisation on the Wasserstein space 
Tiangang Cui  9 Oct 
Algebra Seminar: Nurcombe  The ghost algebra and the dilute ghost algebra 
Alex Sherman  4 Oct 
Time Series and Forecasting Symposium (TSF2024) 
Garth Tarr  2 Oct 
Geometry and Topology Seminar: Dionne Ibarra (Monash)  Htriangulations 
James Morgan  28 Sep 
Statistics Seminar: Kandanaarachchi  Representing Sparse Graphs with Graphons: Challenges and Approaches 
Tiangang Cui  24 Sep 
Algebra Seminar: Baine  (Co)Minuscule Hecke Categories 
Alex Sherman  23 Sep 
Algebra Seminar: Thomas  The geometry of conjugation in Euclidean isometry groups 
Alex Sherman  12 Sep 
Algebra Seminar: Robert Yuncken  Crystallizing Functions on Compact Lie Groups 
Alex Sherman  8 Sep 
Statistics Seminar: Zhao  TensorTrain Methods for Sequential State and Parameter Estimation in StateSpace Models 
Tiangang Cui  5 Sep 
Statistics Seminar: Canonne  Locally Private Histograms in All Privacy Regimes 
Tiangang Cui  29 Aug 
Geometry and Topology Seminar: Joan Licata (ANU)  Geometric Heegaard Floer theory for the combinatorially inclined 
James Morgan  28 Aug 
Algebra Seminar: Stefano Morra  Jantzen’s generic decomposition pattern and the BreuilMezard conjecture 
Alex Sherman  25 Aug 
Statistics Seminar: Gao  Statistics Seminar Series: Design Your Own Universe: A PhysicsInformed Agnostic Method for Enhancing Graph Neural Networks 
Tiangang Cui  20 Aug 
Statistics Seminar: Wilson Chen  Statistics Seminar Series: Reinforcement Learning for Adaptive MCMC 
Tiangang Cui  14 Aug 
UNSW&USYD joint seminar  Elliptic difference equations 
Pieter Roffelsen  13 Aug 
KazhdanLusztig equivalences: a learning seminar  KazhdanLusztig equivalences 
Alex Sherman  26 Jul 
Applied Maths Seminar: Roffelsen  On connection problems for Painlev\’{e} transcendents and affine Del Pezzo surfaces 
Jae Min Lee  Oct 23 
Applied Maths Seminar: Feng  Determinantal point processes on spheres: Multivariate linear statistics 
Jae Min Lee  Oct 23 
Applied Maths Seminar: Tam  Splitting algorithms for training GANs 
Jae Min Lee  Sep 23 
Applied Maths Seminar: Harrowell  Introduction to the Problem of Glass 
Jae Min Lee  Sep 23 
Applied Maths Seminar: Upanshu Sharma 
Jae Min Lee  Sep 23 
Applied Maths Seminar: Subramanian  Applied Maths Seminar: Rogue bursting as an effect of broken symmetry 
Jae Min Lee  Aug 23 
Applied Maths Seminar: Klotz  Using Symmetry to Construct Dynamic Feedback Linearizations of Nonlinear Control Systems 
Jae Min Lee  Jun 23 
Applied Maths Seminar: Krause  Pattern Formation via Blackboards and Web Browsers 
Jae Min Lee  Jun 23 
One School Seminar: Jonathan Spreer 
Anna Aksamit  Apr 22 
Geometry and Topology Seminar: Sandor Kovacs (UW Seattle)  Rational singularities 
Boris Lishak  Dec 19 
Informal Friday Seminar: Baine  Some characters for simple Gmodules 
Anna Romanov  Nov 19 
Geometry and Topology Seminar: Fedor Bogomolov (NYU)  Elliptic curves and unramified correspondences 
Boris Lishak  Nov 19 
Informal Friday Seminar: Liu  The BrylinskiKostant filtration 
Anna Romanov  Nov 19 
Geometry and Topology Seminar: Joan Licata (ANU)  Foliated Open Books or, How I Learned to Stop Worrying About How to Glue Open Books 
Boris Lishak  Nov 19 
Geometry and Topology Seminar: June Huh (IAS)  Logarithmic concavity of Schur polynomials 
Boris Lishak  Nov 19 
Geometry and Topology Seminar: June Huh (IAS)  Logarithmic concavity of Schur polynomials 
Boris Lishak  Oct 19 
Geometry and Topology Seminar: Michael Figelius (Seigen)  Modular forms and applications to coding theory 
Boris Lishak  Oct 19 
Informal Friday Seminar: Cliff  Vanishing cycles 
Anna Romanov  Oct 19 
Geometry and Topology Seminar: Romina Arroyo (Queensland)  The prescribed Ricci curvature problem for naturally reductive metrics on compact Lie groups 
Boris Lishak  Oct 19 
Informal Friday Seminar: Liu  Introduction to cohomology of line bundles on flag varieties 
Anna Romanov  Sep 19 
Informal Friday Seminar: Naqvi  An introduction to buildings 
Anna Romanov  Sep 19 
Informal Friday Seminar: Cliff  An introduction to sheaves on stacks 
Anna Romanov  Sep 19 
Geometry and Topology Seminar: Martin Helmer (ANU)  SegreDriven Containment Testing for Varieties 
Boris Lishak  Sep 19 
Geometry and Topology Seminar: Dror BarNatan (Toronto)  Algebraic Knot Theory 
Boris Lishak  Sep 19 
Geometry and Topology Seminar: Daryl Cooper (UCSB)  A combinatorial characterization of closed hyperbolic 3manifolds 
Boris Lishak  Sep 19 
Geometry and Topology Seminar: Jonathan Spreer (Sydney)  Discrete Algorithms for Geometric Topology 
Boris Lishak  Sep 19 
Informal Friday Seminar: Williamson  Intersection cohomology over rings 
Anna Romanov  Aug 19 
Geometry and Topology Seminar: Oliver Singh (Durham)  Knotted Surfaces in 4manifolds and Distances Between Them 
Boris Lishak  Aug 19 
Informal Friday Seminar: Lishak  Group Cohomology 
Anna Romanov  Aug 19 
Geometry and Topology Seminar: Yong Huang (Hunan University)  BrunnMinkowski Theory and Minkowski Problem 
Boris Lishak  Aug 19 
Geometry and Topology Seminar: Gus Lehrer (Sydney)  Link invariants and quantum invariant theory 
Boris Lishak  Aug 19 
Geometry and Topology Seminar: Joseph Maher (CUNY)  Random walks on geometric groups 
Boris Lishak  Aug 19 
Geometry and Topology Seminar: Adam Parusinski (Nice)  Algebraic Varieties Are Homeomorphic to Varieties Defined over Number Fields 
Boris Lishak  Aug 19 
Geometry and Topology Seminar: Alex Bishop (UTS)  Geodesic Growth in Groups 
Boris Lishak  Aug 19 
Geometry and Topology Seminar: Wenshuai Jiang (Sydney)  Regularity and singularity of Ricci curvature and related applications 
Boris Lishak  Aug 19 
Informal Friday Seminar: Cliff  On the Kirwan map for moduli stacks of Higgs bundles 
Anna Romanov  Jul 19 
Informal Friday Seminar: Burrull  The Bruhat graph of a Coxeter group 
Anna Romanov  Jul 19 
Geometry and Topology Seminar: Ignat Soroko (Louisiana State)  Groups of type FP: their quasiisometry classes and homological Dehn functions 
Boris Lishak  Jun 19 
Geometry and Topology Seminar: Christine Lee (South Alabama)  A surface construction for colored Khovanov homology 
Boris Lishak  Jun 19 
Geometry and Topology Seminar: Vidit Nanda (Oxford)  The topology of cellular gradient flow 
Boris Lishak  May 19 
Geometry and Topology Seminar: Henry Segerman (OSU)  From veering triangulations to pseudoAnosov flows 
Boris Lishak  May 19 
Informal Friday Seminar: Maltoni  Affine Hecke algebras and equivariant Ktheory 
Anna Romanov  May 19 
Geometry and Topology Seminar: Charles Katerba (Montana State)  Twist knot intersections in the character variety of the Whitehead link 
Boris Lishak  May 19 
Informal Friday Seminar: Burrull  The Bernstein presentation of the Hecke algebra 
Anna Romanov  May 19 
Geometry and Topology Seminar: Alex Casella (Florida State)  Coordinates for real projective structures using ideal triangulations 
Boris Lishak  May 19 
Geometry and Topology Seminar: Matthias Lesch (University of Bonn)  The resolvent expansion of geometric operators on singular spaces 
Boris Lishak  May 19 
Informal Friday Seminar: Losev  Modular representations of semisimple Lie algebras 
Anna Romanov  Apr 19 
Informal Friday Seminar: Baine  Representations of SL_2(F_q), Part II 
Anna Romanov  Apr 19 
Geometry and Topology Seminar: Xianfeng Wang (Nankai)  Minimal Lagrangian submanifolds of the complex hyperquadric 
Boris Lishak  Apr 19 
Informal Friday Seminar: Baine  Representations of SL_2(F_q) 
Anna Romanov  Apr 19 
Geometry and Topology Seminar: Ramiro Lafuente (UQ)  Homogeneous Einstein manifolds via a cohomogeneityone approach 
Boris Lishak  Apr 19 
Geometry and Topology Seminar: Colin Guillarmou (Orsay)  On Fried conjecture (Lefschetz formula for flows) for Anosov flows 
Boris Lishak  Mar 19 
Geometry and Topology Seminar: Anita Liebenau (UNSW)  On Ramsey equivalence in graph theory 
Boris Lishak  Mar 19 
Informal Friday Seminar: Parkinson  Hecke algebras with unequal parameters, part II: Plancherel theorems 
Anna Romanov  Mar 19 
Geometry and Topology Seminar: Marco Mazzucchelli (ENS Lyon)  Periodic orbits of exact magnetic flows on surfaces 
Boris Lishak  Mar 19 
Geometry and Topology Seminar: Volker Schlue (Melbourne)  Geometry of expanding black hole cosmologies 
Boris Lishak  Mar 19 
Geometry and Topology Seminar: Marcelo Laca (Victoria)  Equilibrium and monoidal growth 
Boris Lishak  Feb 19 
Geometry and Topology Seminar: Masanori Kobayashi (Tokyo Metropolitan)  Application of tropical geometry to scheduling problem 
Boris Lishak  Feb 19 
Geometry and Topology Seminar: Wilderich Tuschmann (Karlsruhe)  Spaces and Moduli Spaces of Nonnegatively Curved Riemannian Metrics 
Boris Lishak  Feb 19 
Informal Friday Seminar: Soren Galatius  $E_\infty$cells and general linear groups of finite fields 
Anna Romanov  Feb 19 
Informal Friday Seminar: Will Donovan  Perverse schobers on mirror moduli spaces 
Anna Romanov  Feb 19 
Geometry and Topology Seminar: Soren Galatius (Copenhagen)  Tropical curves, graph homology, and top weight cohomology of \(M_g\) 
Boris Lishak  Feb 19 
Geometry and Topology Seminar: Yann Bugeaud (Strasbourg)  Exponential Diophantine equations 
Boris Lishak  Jan 19 
Geometry and Topology Seminar: Ruth Kellerhals (Fribourg)  Small hyperbolic orbifolds and Coxeter groups 
Boris Lishak  Jan 19 
Geometry and Topology Seminar: Maggie Miller (Princeton)  Diagrams for surface isotopies in 4manifolds 
Boris Lishak  Jan 19 
Geometry and Topology Seminar: Suhyoung Choi (KAIST)  Lensshaped totally geodesic ends of convex real projective manifolds 
Boris Lishak  Dec 18 
Geometry and Topology Seminar: Robert Lowe (TU Berlin)  Secondary fans of punctured Riemann surfaces 
Boris Lishak  Nov 18 
Geometry and Topology Seminar: Jesse GellRedman (Melbourne)  Index of nonelliptic operators 
Boris Lishak  Nov 18 
Geometry and Topology Seminar: Enrico Le Donne (Jyvaskyla)  Boundaries, conformal maps, and subRiemannian geometry 
Boris Lishak  Nov 18 
Geometry and Topology Seminar: Alexander Majchrowski (Sydney)  LevelSet and Surgery Approaches to BrendleHuisken GFlow 
Boris Lishak  Oct 18 
Geometry and Topology Seminar: Michal Ferov (UTS/Newcastle)  Quantifying complexity for the isomorphism problem of hyperbolic groups 
Boris Lishak  Oct 18 
Geometry and Topology Seminar: Diletta Martinelli (Edinburgh)  An introduction to the birational geometry of moduli spaces of stable objects 
Boris Lishak  Oct 18 
Geometry and Topology Seminar: Iva Halacheva (Melbourne)  Tangles and Alexander type invariants 
Boris Lishak  Sep 18 
Geometry and Topology Seminar: Yusra Naqvi (Sydney)  LittlewoodRichardson coefficients for Jack polynomials 
Boris Lishak  Sep 18 
Geometry and Topology Seminar: Andre van Renssen (Sydney)  Routing Among Obstacles 
Boris Lishak  Sep 18 
Geometry and Topology Seminar: KwokKun Kwong (Sydney)  Some quantitative comparison theorems in Riemannian geometry 
Boris Lishak  Aug 18 
Geometry and Topology Seminar: John Nicholson (UCL)  Poincare 3complexes and StablyFree Modules over Integral Group Rings 
Boris Lishak  Aug 18 
Geometry and Topology Seminar: Montek Singh Gill (Michigan)  Chains and cochains on spectra 
Boris Lishak  Aug 18 
Geometry and Topology Seminar: Michelle Chu (UCSB)  Quantifying virtual properties of arithmetic hyperbolic 3manifolds 
Boris Lishak  Jul 18 
Joint Colloquium: Masoud Kamgarpour  Symmetries in mathematics: a personal perspective 
Alexander Fish  Mar 14 
Joint Colloquium: Prof. Xiao Zhang  Some Geometrical Problems in General Relativity 
Alexander Fish  Mar 14 
Joint Colloquium: Bursztyn  Lie theory and geometry of groupoids 
Alexander Fish  Jan 14 
Joint Colloquium: Henrik Kragh Sørensen  Abel’s exception, history of infinity and cognitive accounts of mathematics: One chance fumbled and another one missed 
Alexander Fish  Jan 14 
AGR Seminar: Prof. George Willis  Amenability, measure and randomness in groups 
Alexander Fish  Nov 13 
Joint Colloquium: Coquereaux  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 
Alexander Fish  Oct 13 
Joint Colloquium: Dykema  Invariant suspaces and upper triangular forms for classes of infinite dimensional operators 
Alexander Fish  Oct 13 
Joint Colloquium: Xiaodong Cao  Ricci flow, Einstein manifolds and Ricci solitons 
Alexander Fish  Oct 13 
Joint Colloquium: Dyer  The counting constraint satisfaction problem 
Alexander Fish  May 13 
Joint Colloquium: Sukhendu Mehrotra  Noncommutative K3 surfaces 
Alexander Fish  May 13 
Joint Colloquium: Anthony Licata  Positivity and integrality from higher representation theory 
Alexander Fish  Apr 13 
Joint Colloquium: Palsson  kpoint configurations and multilinear generalised Radon transforms 
Alexander Fish  Apr 13 

Meeting 
Algebraic Geometry Workshop Sydney 
Catherine Meister  30 Oct 
SMRI Afternoon Tea 
Hannah Bryant  8 Jan 
Shut up & write 
Alex Sherman  13 Aug 

Deadline 
JSPS Postdoctoral Fellowship program 
Andrew Mathas  22 Oct 
AMSI Summer School 2025, Deadline of Application: 27 Oct 
Zhou Zhang  11 Oct 
International Visitor Program for July 2022December 2023  application deadline 22 February 2022 
Hannah Bryant  Dec 21 

Announce 
A Useful New Book Published 
Shelton Peiris  31 May 
SMRI International Visitor Program 2024 Round 1  Outcomes 
Hannah Bryant  16 Apr 
Helen Byrne awarded Laureate Fellowship in our School 
Eduardo Altmann  Jul 21 
Nalini awarded the ANZIAM medal! 
Eduardo Altmann  Feb 21 
Congratulations to Anthony Henderson 
Gus Lehrer  Dec 10 

Info 
Unikey login and /loc/ objects 
Paul Szabo  Jul 07 
Laptops, wired and wireless connections 
Paul Szabo  Oct 05 
Stroke recognition  early & life saving 
Janet Thomas  Nov 05 

ITMatters 
Network outage in Carslaw 9 Nov 
Paul Szabo  20 Sep 
scnews into personal calendar 
Paul Szabo  Mar 20 
Transparent proxy (no proxy settings needed) 
Paul Szabo  Nov 13 
Ricoh printers: hold print, locked print features 
Paul Szabo  Sep 11 

Other 
SMRI International Visitor Program (Round 2 2024) outcomes 
Catherine Meister  30 Oct 
IMO2025 organisers seek for volunteers 
Dzmitry Badziahin  18 Oct 
Australian AI Safety Forum 2024 
Catherine Meister  15 Oct 
Help needed  locating USyd 1957 MSc Thesis  ’The force and moment on an aerofoil in shear flow’ Newman, Michael 
Hannah Bryant  12 Sep 
DECRA Outcomes 
Eduardo Altmann  Aug 21 
Congrats to Giles Gardam on disproving Kaplansky’s unit conjecture! 
Alexander Fish  Mar 21 
Dean on wages 
Paul Szabo  Sep 13 
Garton on pay rates 
Paul Szabo  Aug 13 
VC on financial position 
Paul Szabo  Jul 13 
VC to allstaff: casuals are untrained 
Paul Szabo  Aug 13 
When your phone stops working, change your internet banking password 
Paul Szabo  Jul 13 
Do not fall victim to scam/fake tech support calls 
Paul Szabo  Aug 12 
