# Past Pure Mathematics Seminars

This seminar is the successor of the UQ Algebra, Combinatorics and Topology seminar (ACT seminar). For a list of all talks held at the ACT seminar go to http://sites.google.com/site/algcomb/.

## Past 2013 Pure Maths Seminars

Title | Presented by | When | Venue |
---|---|---|---|

Constructing (0,1)-matrices with large minimal defining sets. | Nicholas Cavenagh (Waikato University) | 15 Nov 2017 | Priestley 67-442 |

Compact pseudo-Riemannian homogeneous spaces | Wolfgang Globke (University of Adelaide) | 14 Nov 2017 | Priestley 67-442 |

Tableaux, Crystals, and Discrete Dynamical Systems | Travis Scrimshaw (UQ) | 31 Oct 2017 | Priestley 67-442 |

Stabilisers of eigenvectors in complex reflection groups | Sinead Wilson (UQ) | 10 Oct 2017 | Priestley 67-442 |

Partition asymptotics and the polylogarithm | Alexander Dunn, University of Illinois at Urbana--Champaign (UIUC) | 3 Oct 2017 | Priestley 67-442 |

From the general linear group to graphs and beyond | Carl Mautner, UC Riverside | 15 Aug 2017 | 67-442 |

Towards a Deligne--Lusztig theory for p-adic groups | Charlotte Chan, Michigan, USA | 15 Aug 2017 | 67-442 |

Fault Tolerance in Cayley Graphs | Mujiangshan Wang | 8 Aug 2017 | 67-442 |

A New Proof of the Levelt-Turrittin Decomposition | Sam Weatherhog, UQ | 25 Jul 2017 | 67-442 |

Carmichael and $k$-Lehmer Polynomials | Max Lewis (UQ) | 6 Jun 2017 | 67-442 |

Can you differentiate integers? | Dr. Debargha Banerjee, Indian Institute of Science Education and Research | 30 May 2017 | 67-442 |

Parity and Projective Planes | Dr Sara Herke | 23 May 2017 | 67-442 |

Harnack Inequalities and Ancient Solutions of Hypersurface Flows | Dr Paul Bryan, UQ | 16 May 2017 | 67-442 |

Convergence of the General Kahler-Ricci Flow | Prof. Zhou Zhang, Sydney University | 18 Apr 2017 | 67-442 |

Conical degeneration of geometric invariants | Prof. Xianzhe Dai, University of California, Santa Barbara, USA | 18 Apr 2017 | 67-442 |

Large deviations principle for invariant measures for the 2-D stochastic Navier-Stokes Equations | Prof. Zdzislaw Brzezniak, The University of York, UK | 11 Apr 2017 | 67-442 |

Hodge Theoretic Properties in Representation Theory | Dr Leonardo Patimo, Max Planck Institute for Mathematics, Germany | 4 Apr 2017 | 67-442 |

Crystals and shift of argument algebras | Alex Weekes | 28 Feb 2017 | 67-442 |

Block orderings for twofold triple systems | David Pike, Memorial University of Newfoundland | 24 Jan 2017 | 67-442 |

Ancient solutions to fully nonlinear curvature flows | Stephen Lynch | 21 Dec 2016 | 67-442 |

Variational modelling of smart membranes | Pierluigi Cesana, La Trobe University | 29 Nov 2016 | 67-442 |

Finite dimensional representations for orthosymplectic supergroups | Michael Ehrig, University of Sydney | 8 Nov 2016 | 67-442 |

Geometric Extension Algebras | Peter McNamara , UQ | 20 Sep 2016 | 67-442 |

Geometric Extension Algebras | Peter McNamara | 13 Sep 2016 | 67-442 |

Easy instances in computational topology | Clément Maria, UQ | 6 Sep 2016 | 67-442 |

Tightness: a non-trivial connection between combinatorics and topology | Jonathan Spreer, UQ | 9 Aug 2016 | 67-442 |

The Complexity of Change | Jan van den Heuvel, London School of Economics | 26 Jul 2016 | 67-442 |

Triple systems and the Axiom of Veblen | Thomas McCourt, Plymouth University | 7 Jun 2016 | 67-442 |

Linear recurrence relations in Q-systems | Chul-hee Lee, UQ | 31 May 2016 | 67-442 |

Super edge-graceful labelings for kites | Abdollah Khodkar (University of West Georgia) | 24 May 2016 | 67-442 |

The Iwahori-Hecke algebra for p-adic loop groups: the double-coset basis and double-affine Bruhat order | Dinakar Muthiah (University of Alberta) | 3 May 2016 | 67-442 |

Hitchin’s integrable system and twisted groups | Masoud Kamgarpour (UQ) | 8 Mar 2016 | 67-442 |

Asymptotic analysis of the iterative means | Tomislav Buric (UQ and University of Zagreb ) | 25 Feb 2016 | 67-442 |

Evolving hypersurfaces by their mean curvature in the Ricci flow background | Weimin Sheng (Zhejiang University, China) | 16 Feb 2016 | 67-442 |

Polyhedral structures of the moduli space of configurations of points on P^1 | Haruko Nishi, Josai University | 2 Feb 2016 | 67-442 |

Curvature quantisation for minimal hypersurfaces with bounded index and area | Reto Buzano (QMUL) | 27 Jan 2016 | 67-442 |

Classifying simple modules at minimal model central charges through symmetric polynomials | Simon Wood, ANU | 10 Nov 2015 | Building 67, Room 442 |

Categorification of the Heisenberg algebra by planar diagrams | Alistair Savage, the University of Ottawa | 20 Oct 2015 | Building 67, Room 442 |

Orbits in affine flag varieties | Elizabeth Milicevic (Haverford College) | 13 Oct 2015 | 67-442 |

Which Latin square is the loneliest? | Nick Cavenagh, the University of Waikato | 22 Sep 2015 | Building 67, Room 442 |

Asymptotic expansions of the gamma and related functions | Tomislav Buric, University of Zagreb | 22 Sep 2015 | Building 67, Room 442 |

Torsion | Peter McNamara | 15 Sep 2015 | Building 67, Room 442 |

Proof of the Whitney fibering conjecture | Laurentiu Paunescu, The University of Sydney | 8 Sep 2015 | Building 67, Room 442 |

How easy are problems in low-dimensional topology? | Ben Burton, UQ | 1 Sep 2015 | Building 67, Room 442 |

Finding all solutions to an equation in a free group in NSPACE(nlog n) | Murray Elder, The University of Newcastle | 18 Aug 2015 | Building 67, Room 442 |

Cactus group actions on Young tableaux | Noah White, University of Edinburgh | 11 Aug 2015 | Building 67, Room 442 |

Small quantum groups: modular group representations and CFT | Azat Gainutdinov | 28 Jul 2015 | Building 67, Room 442 |

Decomposition and stability of persistence modules | Steve Oudot | 21 Jul 2015 | Building 67, Room 442 |

A combinatorial proof of the Lower Bound Theorem | Basudeb Datta, Indian Institute of Science | 14 Jul 2015 | Building 67, Room 442 |

Nahm's conjecture in the Cartan case | Alexander Dunn, UQ | 9 Jun 2015 | Building 67, Room 442 |

Cycle decompositions of multigraphs | Barbara Maenhaut | 19 May 2015 | Building 67, Room 442 |

The Cauchy problem for Lorentzian manifolds with parallel spinors | Andree Lischewski, HU Berlin | 12 May 2015 | Building 67, room 442 |

The prescribed Ricci curvature problem on homogeneous spaces | Artem Pulemotov, UQ | 5 May 2015 | Building 67, Room 442 |

A relative GAGA principle for families of curves | Jack Hall, ANU | 28 Apr 2015 | Building 67, Room 442 |

Symmetry and Hamiltonicity in graphs | Darryn Bryant, UQ | 21 Apr 2015 | Building 67, Room 442 |

Normal Surfaces and the Realisation Problem | Jonathan Spreer, UQ | 14 Apr 2015 | 67 - 442 |

Homogeneous and set-homogeneous Steiner triple systems | Bridget Webb, The Open University, UK | 31 Mar 2015 | Building 67, Room 442 |

Zigzag Persistent Homology: Theory and Algorithms | Clément Maria, UQ | 17 Feb 2015 | Building 1 (Forgan Smith), Room E219 |

T.b.a. | João Paixão, Rio de Janeiro | 10 Feb 2015 | T.b.a. |

Representations and A-model Quantization | Benedict Morrissey | 3 Feb 2015 | Building 3 (Steele Building), Room 237 |

Integrable approach to Matrix Ansatz for ASEP models with boundaries | Eric Ragoucy, CNRS | 25 Nov 2014 | Building 67, Room 442 |

Jack symmetric polynomials and their connection to the Lie algebra of infinitesimal conformal transformations | Simon Wood, ANU | 14 Oct 2014 | Room 442, Building 67 |

Q-systems and the WZW fusion ring | Chul-hee Lee, UQ | 7 Oct 2014 | Building 67, Room 442 |

Mass in Newtonian gravity and general relativity | Carla Cederbaum, Universität Tübingen, Germany | 16 Sep 2014 | Building 67, Room 442 |

Strong and weak solutions to stochastic Landau-Lifshitz equations | Zdzislaw Brzezniak, University of York | 11 Sep 2014 | Building 50 (Hawken), Room N202 |

Design theory and compressed sensing | Padraig Ó Catháin, UQ | 9 Sep 2014 | Room 442, Building 67 |

Boundary-value problems for the Ricci flow | Artem Pulemotov, UQ | 2 Sep 2014 | Building 67, Room 442 |

Some connections between algebraic geometry and mathematical physics | Masoud Kamgarpour, UQ | 26 Aug 2014 | Building 67, Room 442 |

Nonparametric minimal surfaces and beyond | Lisa Beck, Augsburg University, Germany | 19 Aug 2014 | Building 67, Room 442 |

A polynomial embedding of pairs of orthogonal partial latin squares | Emine Şule Yazıcı, Koç University, Turkey | 12 Aug 2014 | Building 67, Room 442 |

How to squash a 6-cycle system into a Steiner triple system | Curt Lindner, Auburn University | 5 Aug 2014 | Building 67, Room 442 |

Constrained Rough Paths | Bruce Driver, UC San Diego | 18 Jul 2014 | Building 67, Room 442 |

Exact computation with hyperbolic 3-manifolds | Ben Burton, UQ | 24 Jun 2014 | Building 67, Room 442 |

T.b.a. | Sinai Robins, Nanyang Technological University | 27 May 2014 | Building 67, Room 442 |

Enumerating polytropes | Ngoc Tran, University of Texas, Austin | 20 May 2014 | Building 67, Room 442 |

Further topics in categorification | Tony Licata, ANU | 8 May 2014 | Building 67, Room 816 |

T.b.a. | Tony Licata, ANU | 6 May 2014 | Building 67, Room 442 |

Heffter Arrays: Biembeddings of cycle systems on surfaces | Jeff Dinitz, University of Vermont | 16 Apr 2014 | Building 67, Room 442 |

How to represent curves on a surface | Mark Bell, University of Warwick | 15 Apr 2014 | Building 67, Room 442 |

Local estimates for Ricci-flow in two dimensions | Miles Simon, Otto-von-Guericke-Universität, Magdeburg | 1 Apr 2014 | Room 442, Building 67 |

Minimal crystallizations of 3-manifolds | Basudeb Datta, Indian Institute of Science, Bangalore | 18 Mar 2014 | Building 67, Room 442 |

An infinite family of tight triangulations of manifolds | Nitin Singh, Indian Institute of Science, Bangalore | 11 Mar 2014 | Building 67, Room 442 |

T-duality, part II | Pedram Hekmati, University of Adelaide | 26 Feb 2014 | Building 67, Room 442 |

T-duality, part I | Pedram Hekmati, University of Adelaide | 25 Feb 2014 | Building 67, Room 442 |

The Selberg integral and Young books | Jang Soo Kim, KIAS, Seoul | 3 Feb 2014 | Building 67, Room 442 |

Logarithmic conformal field theory based on sl(2|1) quantum group | Ilya Tipunin, Lebedev Physics Institute | 3 Dec 2013 | Room 141, Building 67 |

Future stability of homogeneous cosmological models without cosmological constant | Ernesto Nungesser, Trinity College, Dublin | 3 Dec 2013 | Room 442, Building 67 |

Cycle decompositions, Euler's formula and face 2-colourable planar embeddings | Ben Smith, UQ | 26 Nov 2013 | Room 442, Building 67 |

What is a Schubert polynomial? | Arun Ram, University of Melbourne | 26 Nov 2013 | Room 207, Building 05 |

On metric dimension of planar graphs | Olli Pottonen, UQ | 19 Nov 2013 | Room 213, Building 05 |

T.b.a. | Neil Trudinger, ANU | 14 Nov 2013 | Room 213, Building 05 |

Combinatorial designs and compressed sensing | Padraig Ó Catháin, UQ | 12 Nov 2013 | Room 213, Building 05 |

A tale of Dunkl operators | Anatol Kirillov, Kyoto University | 5 Nov 2013 | Room 213, Building 05 |

A glimpse at the Rosetta Stone of Mathematics | Masoud Kamgarpour, UQ | 29 Oct 2013 | Room 442, Building 67 |

Weighted Volume Preserving Curvature Flows near Cylinders | David Hartley, UQ | 8 Oct 2013 | Room 442, Building 67 |

The Rogers-Ramanujan identities for A_2n^(2) | Ole Warnaar, UQ | 24 Sep 2013 | Room 442, Building 67 |

On restricted set addition in finite groups, part II | Gyula Karolyi, UQ | 17 Sep 2013 | Room 442, Building 67 |

On restricted set addition in finite groups | Gyula Karolyi, UQ | 10 Sep 2013 | Room 442, Building 67 |

Abelian groups from face two-colourable triangulations of the sphere | Thomas A. McCourt, University of Bristol | 3 Sep 2013 | Room 442, Building 67 |

On the Center of the Universal Enveloping of Lie Algebras | Masoud Kamgarpour, UQ | 27 Aug 2013 | Room 442, Building 67 |

How to crush a triangulation politely | Ben Burton, UQ | 20 Aug 2013 | Room 442, Building 67 |

Toric varieties arising from root systems | Qendrim Gashi, University of Prishtina | 13 Aug 2013 | Room 442, Building 67 |

Super edge-graceful labelings of total stars and total cycles | Abdollah Khodkar (University of West Georgia) | 30 Jul 2013 | Room 442, Building 67 |

Algebraic stability and dynamical degrees for rational mappings of Deligne-Mumford compactification | Roland Roeder (IUPUI) | 18 Jun 2013 | Room 442, Building 67 |

Delaunay Triangulations | Hanna Kurniawati (ITEE at UQ) | 11 Jun 2013 | Room 442, Building 67 |

Restricted convolution inequalities, multilinear operators and applications | Eyvindur Palsson (University of Rochester) | 4 Jun 2013 | Room 442, Building 67 |

Trivialisation of the First Pontryagin Class | Pedram Hekmati (University of Adelaide) | 30 May 2013 | Room 442, Building 67 |

An Introduction to Topological T-duality | Pedram Hekmati (University of Adelaide) | 28 May 2013 | Room 442, Building 67 |

A metatheorem for triangulations | Ben Burton (UQ) | 21 May 2013 | Room 442, Building 67 |

Vertex operator realizations of Jack polynomials | Naihuan Jing (North Carolina State University) | 14 May 2013 | Room 442, Building 67 |

Parameterised Complexity of Discrete Morse Theory | Jonathan Spreer (UQ) | 7 May 2013 | Room 442, Building 67 |

Character sheaves on unipotent groups | Tanmay Deshpande (Kavli IPMU) | 30 Apr 2013 | Room 442, Priestley 67 |

Decomposing sufficiently dense bipartite graphs into 4-cycles | Nicholas Cavenagh (University of Waikato, New Zealand) | 23 Apr 2013 | Room 442, Building 67 |

The Dirichlet problem for the prescribed Ricci curvature equation | Artem Pulemotov (UQ) | 16 Apr 2013 | Room 442, Building 67 |

The elliptic Weyl character formula | Nora Ganter, Uni Melbourne | 3 Apr 2013 | Room 442, Building 67 |

How can you tell apart two modular forms? | Alex Ghitza, Uni Melbourne | 2 Apr 2013 | Room 442, Building 67 |

## 2012 Pure Maths Seminars

Title | Presented by | When | Venue |
---|---|---|---|

Geometric Rigidity for Surfaces of Total Bounded Curvature | Huy Nguyen, UQ | 27 Nov 2012 | Room T103, Building 50 |

Lattice Polygons and Real Roots | Michael Joswig, TU Darmstadt, Germany | 20 Nov 2012 | Room 442, Building 67 |

Something between the conjectures of Polya and Turan implies the Riemann hypothesis | Tim Trudgian, ANU | 16 Nov 2012 | Room 442, Building 67 |

Hadamard matrices, difference sets and doubly transitive group actions | Padraig Keane, UQ | 13 Nov 2012 | Room 442, Building 67 |

Embedding Abstract Groups into Topological Groups | Murray Elder, University of Newcastle | 7 Nov 2012 | Room 442, Building 67 |

An extremum problem for set systems | Gyula Karolyi, UQ | 6 Nov 2012 | Room 442, Building 67 |

Biharmonic maps with symmetry | Matt Cooper, UQ | 18 Sep 2012 | Room 442, Building 67 |

Hall-Littlewood polynomials and characters of affine Lie algebras | Nick Bartlett, UQ | 18 Sep 2012 | Room 442, Building 67 |

XXZ models and quantum groups at roots of unity | Ilya Tipunin, Lebedev Physical Institute, Moscow | 4 Sep 2012 | Room 442, Building 67 |

Introduction To Combinatorial Morse Theory | Joao Paixao, UQ | 28 Aug 2012 | Room 442, Building 67 |

Choice Experiments: An Application of Combinatorial Designs | Debbie Street, University of Technology, Sydney | 14 Aug 2012 | Room 442, Building 67 |

A Lie algebra approach to difference sets | Gyula Karolyi, UQ | 7 Aug 2012 | Room 442, Building 67 |

The Crossing Number of a Graph | David Wood, University of Melbourne | 31 Jul 2012 | Room 442, Building 67 |

Quasigroups constructed from cycle systems | Curt Lindner, Auburn University, U.S.A. | 24 Jul 2012 | Room 442, Building 67 |

Woolbright's Theorem | Curt Lindner, Auburn University, U.S.A. | 17 Jul 2012 | Room 442, Building 67 |

Multinerves and Helly numbers of acyclic families | Éric Colin de Verdière (ENS Ulm, Paris) | 3 Jul 2012 | Room 442, Building 67 |

Testing graph isotopies on surfaces | Arnaud de Mesmay, ENS, Paris | 26 Jun 2012 | Room 442, Building 67 |

The Mathematics of Bayesian Learning Traps | Andy McLennan | 29 May 2012 | Room 442, Building 67 |

Minimal Pancyclic Graphs | Wal Wallis (Southern Illinois University) | 22 May 2012 | Room 442, Building 67 |

From planar algebras to indecomposable Virasoro representations | Jorgen Rasmussen | 15 May 2012 | Room 442, Building 67 |

Ramanujan's lost notebook and the mock theta functions | Eric Mortenson | 1 May 2012 | Room 442, Building 67 |

Conjugacy in braid groups and related problems, with cryptographic applications | Dr Arkadius Kalka | 17 Apr 2012 | Room 442, Building 67 |

Glimpses from the Dark Side of the Calculus of Variations | Prof. Giuseppe Mingione (Università degli Studi di Parma) | 3 Apr 2012 | Room 442, Building 67 |

Covering grids by hyperplanes | Dr Gyula Karolyi (UQ) | 20 Mar 2012 | Room 442, Building 67 |

Combinatorial manifolds with cyclic symmetry | Jonathan Spreer (UQ) | 13 Mar 2012 | Room 442 (Building 67), UQ (St Lucia Campus) |