
Seminar 
Algebra Seminar: Dancso  A mystery of matching expansions 
Kevin Coulembier  12 Nov 
Informal Friday Seminar: Romanov  The LusztigVogan module of the Hecke algebra 
Anna Romanov  11 Nov 
Algebra Seminar: Ostafe  On the GCD of shifted polynomial powers, iterations and their relatives 
Kevin Coulembier  11 Nov 
Differential Geometry Seminar Series: Wu  Introduction to Mean Curvature Flow 
Zhou Zhang  11 Nov 
Stochastics and Finance Seminar: Yihan Zou  American Real Option Pricing 
Anna Aksamit  8 Nov 
Geometry and Topology Seminar: June Huh (IAS)  Logarithmic concavity of Schur polynomials 
Boris Lishak  5 Nov 
Differential Geometry Seminar Series : Wu  Introduction to Mean Curvature Flow 
Zhou Zhang  4 Nov 
Informal Friday Seminar: Romanov  The LusztigVogan module of the Hecke algebra 
Anna Romanov  4 Nov 
Geometry and Topology Seminar: June Huh (IAS)  Logarithmic concavity of Schur polynomials 
Boris Lishak  21 Oct 
MaPSS: Maths Postgraduate Seminar Series: Joel Gibson  Quaternions, rotations, and Spin groups 
Eric Hester  1 Nov 
Algebra Seminar: Henderson  Henderson: Braid groups of normalizers of reflection subgroups 
Kevin Coulembier  29 Oct 
MaPSS: Maths Postgraduate Seminar Series: Eric Hester  Examples of Duality in Mathematics 
Wenqi Yue  28 Oct 
Differential Geometry Seminar Series : Broder  Canonical Metrics in Kahler Geometry 
Zhou Zhang  28 Oct 
Joint Colloquium: Krieger  ABC Conjecture 
Leo Tzou  26 Oct 
Joint Colloquium: Krieger  Mahler Lecture: Transcendence and dynamics 
Leo Tzou  26 Oct 
Differential Geometry Seminar Series : Jiang  Introduction to CheegerColding theory about Ricci curvature and recent progress 
Zhou Zhang  21 Oct 
MaPSS: Maths Postgraduate Seminar Series: Xiangnan Xu  Introduction to Deep Learning 
Wenqi Yue  21 Oct 
Lecture Series: Williamson  Langlands correspondence and Bezrukavnikov’s equivalence II 
Hannah Bryant  28 Aug 
Geometry and Topology Seminar: Michael Figelius (Seigen)  Modular forms and applications to coding theory 
Boris Lishak  17 Oct 
Informal Friday Seminar: Cliff  Vanishing cycles 
Anna Romanov  16 Oct 
Differential Geometry Seminar Series : Feng & Jiang  Liquid Crystal Flows & CheegerColding Theory 
Zhou Zhang  14 Oct 
MaPSS: Maths Postgraduate Seminar Series: Timothy Collier  Existence of mild solutions for accretive operators 
Wenqi Yue  14 Oct 
Algebra Seminar: Zhang  Noncrossing algebras associated to finite Coxeter groups 
Kevin Coulembier  12 Oct 
Geometry and Topology Seminar: Romina Arroyo (Queensland)  The prescribed Ricci curvature problem for naturally reductive metrics on compact Lie groups 
Boris Lishak  9 Oct 
MaPSS: Maths Postgraduate Seminar Series: Joshua Ciappara  An introduction to padic analysis 
Wenqi Yue  8 Oct 
Sydney Dynamics Group: Xin  Enhanced Diffusivity in Chaotic Flows 
Lachlan Smith  4 Oct 
Informal Friday Seminar: Liu  Introduction to cohomology of line bundles on flag varieties 
Anna Romanov  26 Sep 
Informal Friday Seminar: Naqvi  An introduction to buildings 
Anna Romanov  23 Sep 
MaPSS: Maths Postgraduate Seminar Series: Hazel Browne & Edda Koo 
Wenqi Yue  19 Sep 
Informal Friday Seminar: Cliff  An introduction to sheaves on stacks 
Anna Romanov  17 Sep 
Geometry and Topology Seminar: Martin Helmer (ANU)  SegreDriven Containment Testing for Varieties 
Boris Lishak  16 Sep 
MaPSS: Maths Postgraduate Seminar Series: Mitchell Curran  Eigenvalues of the linearised Nonlinear Schrodinger Equation on a compact interval 
Wenqi Yue  16 Sep 
Geometry and Topology Seminar: Dror BarNatan (Toronto)  Algebraic Knot Theory 
Boris Lishak  12 Sep 
MaPSS: Maths Postgraduate Seminar Series: Jonathan Mui  Spectral Decomposition of Linear Operators 
Wenqi Yue  9 Sep 
Geometry and Topology Seminar: Daryl Cooper (UCSB)  A combinatorial characterization of closed hyperbolic 3manifolds 
Boris Lishak  6 Sep 
Geometry and Topology Seminar: Jonathan Spreer (Sydney)  Discrete Algorithms for Geometric Topology 
Boris Lishak  6 Sep 
Lecture Series: Cooper  Deformations of Properly Convex Real Projective Structures 
Hannah Bryant  4 Sep 
MaPSS: Maths Postgraduate Seminar Series: Vishnu Mangalath  A Brief Introduction to Gauges 
Wenqi Yue  2 Sep 
MaPSS: Maths Postgraduate Seminar Series: Haruki Osaka  Overview of Likelihood Inference in Nonregular Settings 
Wenqi Yue  26 Aug 
Informal Friday Seminar: Williamson  Intersection cohomology over rings 
Anna Romanov  25 Aug 
Geometry and Topology Seminar: Oliver Singh (Durham)  Knotted Surfaces in 4manifolds and Distances Between Them 
Boris Lishak  21 Aug 
Informal Friday Seminar: Lishak  Group Cohomology 
Anna Romanov  19 Aug 
MaPSS: Maths Postgraduate Seminar Series: Zacharia Issa  On Piles of Sand and Exotic Derivatives: An Introduction to Robust Finance 
Wenqi Yue  19 Aug 
Geometry and Topology Seminar: Yong Huang (Hunan University)  BrunnMinkowski Theory and Minkowski Problem 
Boris Lishak  6 Aug 
Geometry and Topology Seminar: Gus Lehrer (Sydney)  Link invariants and quantum invariant theory 
Boris Lishak  6 Aug 
Geometry and Topology Seminar: Joseph Maher (CUNY)  Random walks on geometric groups 
Boris Lishak  6 Aug 
Geometry and Topology Seminar: Adam Parusinski (Nice)  Algebraic Varieties Are Homeomorphic to Varieties Defined over Number Fields 
Boris Lishak  6 Aug 
Geometry and Topology Seminar: Alex Bishop (UTS)  Geodesic Growth in Groups 
Boris Lishak  6 Aug 
Geometry and Topology Seminar: Wenshuai Jiang (Sydney)  Regularity and singularity of Ricci curvature and related applications 
Boris Lishak  6 Aug 
Informal Friday Seminar: Cliff  On the Kirwan map for moduli stacks of Higgs bundles 
Anna Romanov  29 Jul 
Informal Friday Seminar: Burrull  The Bruhat graph of a Coxeter group 
Anna Romanov  23 Jul 
Geometry and Topology Seminar: Ignat Soroko (Louisiana State)  Groups of type FP: their quasiisometry classes and homological Dehn functions 
Boris Lishak  12 Jun 
Geometry and Topology Seminar: Christine Lee (South Alabama)  A surface construction for colored Khovanov homology 
Boris Lishak  7 Jun 
Geometry and Topology Seminar: Vidit Nanda (Oxford)  The topology of cellular gradient flow 
Boris Lishak  22 May 
Geometry and Topology Seminar: Henry Segerman (OSU)  From veering triangulations to pseudoAnosov flows 
Boris Lishak  22 May 
Informal Friday Seminar: Maltoni  Affine Hecke algebras and equivariant Ktheory 
Anna Romanov  22 May 
Geometry and Topology Seminar: Charles Katerba (Montana State)  Twist knot intersections in the character variety of the Whitehead link 
Boris Lishak  20 May 
Informal Friday Seminar: Burrull  The Bernstein presentation of the Hecke algebra 
Anna Romanov  14 May 
Geometry and Topology Seminar: Alex Casella (Florida State)  Coordinates for real projective structures using ideal triangulations 
Boris Lishak  12 May 
Geometry and Topology Seminar: Matthias Lesch (University of Bonn)  The resolvent expansion of geometric operators on singular spaces 
Boris Lishak  6 May 
Informal Friday Seminar: Losev  Modular representations of semisimple Lie algebras 
Anna Romanov  30 Apr 
Informal Friday Seminar: Baine  Representations of SL_2(F_q), Part II 
Anna Romanov  29 Apr 
Geometry and Topology Seminar: Xianfeng Wang (Nankai)  Minimal Lagrangian submanifolds of the complex hyperquadric 
Boris Lishak  29 Apr 
Informal Friday Seminar: Baine  Representations of SL_2(F_q) 
Anna Romanov  23 Apr 
Geometry and Topology Seminar: Ramiro Lafuente (UQ)  Homogeneous Einstein manifolds via a cohomogeneityone approach 
Boris Lishak  12 Apr 
Informal Friday Seminar: Bellamy  Symplectic singularities and their quantizations 
Anna Romanov  10 Apr 
Informal Friday Seminar: Bellamy  Symplectic singularities and their quantizations 
Anna Romanov  1 Apr 
Geometry and Topology Seminar: Colin Guillarmou (Orsay)  On Fried conjecture (Lefschetz formula for flows) for Anosov flows 
Boris Lishak  29 Mar 
Informal Friday Seminar: Bellamy  Symplectic singularities and their quantizations 
Anna Romanov  23 Mar 
Geometry and Topology Seminar: Anita Liebenau (UNSW)  On Ramsey equivalence in graph theory 
Boris Lishak  19 Mar 
Informal Friday Seminar: Parkinson  Hecke algebras with unequal parameters, part II: Plancherel theorems 
Anna Romanov  18 Mar 
Geometry and Topology Seminar: Marco Mazzucchelli (ENS Lyon)  Periodic orbits of exact magnetic flows on surfaces 
Boris Lishak  14 Mar 
Geometry and Topology Seminar: Volker Schlue (Melbourne)  Geometry of expanding black hole cosmologies 
Boris Lishak  5 Mar 
Geometry and Topology Seminar: Marcelo Laca (Victoria)  Equilibrium and monoidal growth 
Boris Lishak  25 Feb 
Geometry and Topology Seminar: Masanori Kobayashi (Tokyo Metropolitan)  Application of tropical geometry to scheduling problem 
Boris Lishak  21 Feb 
Day of Dynamics  Dynamical Systems 
Leo Tzou  12 Feb 
Geometry and Topology Seminar: Wilderich Tuschmann (Karlsruhe)  Spaces and Moduli Spaces of Nonnegatively Curved Riemannian Metrics 
Boris Lishak  12 Feb 
Informal Friday Seminar: Soren Galatius  $E_\infty$cells and general linear groups of finite fields 
Anna Romanov  6 Feb 
Informal Friday Seminar: Will Donovan  Perverse schobers on mirror moduli spaces 
Anna Romanov  5 Feb 
Geometry and Topology Seminar: Soren Galatius (Copenhagen)  Tropical curves, graph homology, and top weight cohomology of \(M_g\) 
Boris Lishak  1 Feb 
Geometry and Topology Seminar: Yann Bugeaud (Strasbourg)  Exponential Diophantine equations 
Boris Lishak  29 Jan 
Geometry and Topology Seminar: Ruth Kellerhals (Fribourg)  Small hyperbolic orbifolds and Coxeter groups 
Boris Lishak  17 Jan 
Geometry and Topology Seminar: Maggie Miller (Princeton)  Diagrams for surface isotopies in 4manifolds 
Boris Lishak  16 Jan 
Geometry and Topology Seminar: Suhyoung Choi (KAIST)  Lensshaped totally geodesic ends of convex real projective manifolds 
Boris Lishak  10 Dec 
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 
MATH2917 Presentations  Geometry and Topology of Surfaces 
Stephan Tillmann  Sep 12 

Meeting 
International Statistical Ecology Conference 
Mary Myerscough  3 Sep 
Soccer this Friday at 16:30 
Anna Romanov  9 May 
Soccer this Friday at 16:30  weather dependent 
Anna Romanov  2 May 

Deadline 
Get Your Math PhD in Berlin 
Stephanie Swanson  17 Oct 
International Visitor Program for 2020/21  application deadline 27 January 
Anthony Henderson  14 Oct 
Domestic PhD scholarship in Applied Math at Macquarie Uni 
Stephanie Swanson  15 Aug 
International Visitor Program for 2020  application deadline 28 July 
Anthony Henderson  12 Dec 

Announce 
Congratulations to Nathan Paul Duignan 
Ray Kawai  4 Nov 
Congratulations to Huda Daefallh Alrashdi 
Ray Kawai  4 Nov 
Congratulations to Weichang Yu 
Ray Kawai  23 Oct 
Congratulations to James East 
David Easdown  20 Oct 
Congratulations to Lamiae Azizi! 
Alexander Fish  23 Aug 
Career opportunities for PhD graduates in health, government and corporate analytics 
Mary Myerscough  21 Jul 
Calls for (female) speakers for SUMS 
Kevin Wang  17 Feb 
Mathematika licences  available software 
Andrew Mathas  Jun 17 
Future Fellowship: congratulations to Zhou Zhang 
Andrew Mathas  Dec 15 
Geordie Williamson to Receive 2016 AMS Chevalley Prize 
Andrew Mathas  Nov 15 
Congratulations to Jean Yang!! 
Andrew Mathas  Nov 15 
Announcing: Choose Maths Travel Grants for Women 
Andrew Mathas  Nov 15 
ARC Grant Success 
Andrew Mathas  Oct 15 
Australian Museum Eureka Prizes  Jean and Mary finalists 
Andrew Mathas  Jul 15 
Physicists show bias against female job applicants 
Andrew Mathas  Oct 13 
Congratulations to Anthony Henderson 
Gus Lehrer  Dec 10 
SUPRA  Guide to writing a thesis 
Andrew Mathas  Jun 08 
Joost van Hamel: 4 August 196912 January 2008 
Andrew Mathas  Jan 08 

Info 
Unikey login and /loc/ objects 
Paul Szabo  Jul 07 
Laptops, wired and wireless connections 
Paul Szabo  Oct 05 
Evacuation Procedure 
Leon Poladian  Sep 12 
Stroke recognition  early & life saving 
Janet Thomas  Nov 05 

ITMatters 
Sad news: ICT HelpDesk to be no more 
Paul Szabo  10 May 
Transparent proxy (no proxy settings needed) 
Paul Szabo  Nov 13 
Ricoh printers: hold print, locked print features 
Paul Szabo  Sep 11 

Other 
FAKE Geordie: are you available now? 
Paul Szabo  12 Nov 
Request for subscription to Bhavana 
Stephanie Swanson  5 Jun 
Australia’s Future: STEM 
Leon Poladian  Mar 14 
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 
