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Previous Seminars and Colloquia    

2008

Andrew Rechnitzer University of British Columbia Wed Nov 26 2pm Counting Elements of Thompson's group F (Colloquium)
Walter Wallis Southern Illinois University Tue Nov 18 2pm Triangle-free regular graphs (Colloquium)
Peter Tingley University of Melbourne Thurs Nov 13 2pm A minus sign that used to annoy me but now I know why it is there (Colloquium)
Notes from the talk
Emily Peters UC Berkeley Wed Nov 12 2pm Planar algebras and knot invariants (Colloquium)
Andrew Kricker Nanyang Technological University Thurs Nov 6 2pm Ramifications of the Kontsevich Integral in Algebra and Topology (Departmental Seminar)
Stephan Tillmann University of Melbourne Wed Nov 5 2pm Algorithmic geometry and topology (Departmental Seminar)
Murray Elder Maths, UQ Tue Oct 7 2pm The Dehn function of Stallings' group
Anne Street Maths, UQ Tue Sept 23 2pm Combinatorics: The first 4000 years
Elise Croft UQ Tue Sept 16 2pm The Twin Prime Conjecture
Victor Scharaschkin Maths, UQ Tue Sept 9 2pm 2 simple proofs of quadratic reciprocity
Barbara Maenhaut Maths, UQ Tue Sept 2 2pm The Oberwolfach problem for cycles of lengths 3 and 4
Geoff Martin Maths, UQ Tue Aug 26 2pm Embeddings of triple systems
Ole Warnaar Maths, UQ Tue Aug 19 2pm The double affine Hecke algebra made (very) easy
Atif Abueida University of Dayton, USA Tue Aug 12 2pm Cycle extension on two families of graphs
Alexander Kleshchev University of Oregon, USA Tue Aug 5 2pm Polynomial representations of GL(n) and W-algebras
Murray Elder Maths, UQ Tue July 29 2pm Amenability and percolation
Tom McCourt Maths, UQ Tue June 3 3pm The intersection problem for disjoint 2-flowers in Steiner triple systems
Diane Donovan Maths, UQ Tue May 20 3pm Quarter regular biembeddings of Latin squares #2
Diane Donovan Maths, UQ Tue 13 May 3pm Quarter regular biembeddings of Latin squares #1
Anne Street Maths, UQ Tue 29 Apr 3pm An introduction to balanced sequential arrays on the square grid
George Havas ITEE, UQ Tue 22 Apr 3pm Behind and beyond a theorem on groups related to trivalent graphs
Melinda Buchanan Maths, UQ Tue 15 Apr 3pm Coverings, (Kk-e)-designs and Not-the-Bruck-Ryser-Chowla Theorem.
Mile Gu Physics, UQ Tue 8 Apr 3pm Emergent phenomena in nature
Daniel Horsley Maths, UQ Tue 1 Apr 3pm Cycle decompositions of complete graphs
Ian Wanless Monash Univ Thurs 27 Mar 2pm Embedding latin trades in groups and surfaces
Darryn Bryant Maths, UQ Tue 18 Mar 3pm Almost regular edge colourings and regular decompositions of complete graphs
Murray Elder Maths, UQ Tue 11 Mar 3pm Geodesics in infinite groups
Murray Elder Maths, UQ Tue 4 Mar 3pm Pattern avoiding permutations and sorting with stacks
Moshe Rosenfeld Univ of Washington Tacoma, USA Fri 29 Feb 2pm "Elementary" open problems in discrete geometry
Cathy Baker Mount Allison Univ, Canada Tue 26 Feb 3pm Skolem communications networks and graphs
Curt Lindner Auburn Univ, USA Tue 29 Jan 11am The inside-outside intersection problem for hexagon triple systems
Curt Lindner Auburn Univ, USA Fri 25 Jan 10am Almost resolvable 4-cycle systems
Dean Hoffman Auburn Univ, USA Tue 15 Jan 11am Super-sudoku squares
Dean Hoffman Auburn Univ, USA Thu 10 Jan 11am Anti-edge colourings - avoiding rainbows

2007

Mike Atkinson University of Otago, Dunedin Thur 22 Nov 2007. Longest cyclic increasing subsequences
W.D. Wallis Southern Illinois University, Carbondale, USA  August 2007.

2005

Jiri Tuma   Charles University, Prague     Oct 11,13,18.   An Introduction to Matroid Theory (3 lectures)        
Ales Drapal   Charles University, Prague     Tues 27 Sept, 11am   Conjugacy closedness and combinatorics        
Curt Lindner   Auburn University, USA     Thurs 2 June, 11am   Perfect dexagon triple systems        
Curt Lindner   Auburn University, USA     Mon 6 June, 2pm   Affine Planes and Orthogonal Latin Squares        
Emine Sule Yazici   University of Queensland     Wed 8 June   Minimal homogeneous latin and Steiner trades        
Curt Lindner   Auburn University, USA     Thurs 9 June   Nesting everything under the sun        

2004

Darryn Bryant   University of Queensland   8 Dec   Techniques for embedding partial Steiner triple systems: Part 4
David Pike   Memorial University, Newfoundland   2 Dec   Colouring 4-cycle systems
Darryn Bryant   University of Queensland   1 Dec   Techniques for embedding partial Steiner triple systems: Part 3
Darryn Bryant   University of Queensland   24 Nov   Techniques for embedding partial Steiner triple systems: Part 2
David Pike   Memorial University, Newfoundland   18 Nov   Iterated 2-Cycle Contractions and Strong Connectivity in Random Directed Graphs
Darryn Bryant   University of Queensland   11 Nov   Techniques for embedding partial Steiner triple systems: Part 1
David Pike   Memorial University, Newfoundland   28 Oct   Pancyclic BIBD Block-Intersection Graphs
Nick Cavenagh   University of Queensland   7 Oct   Latin trades: connections with permutations, geometry and topol ogy
Tony Guttmann   University of Melbourne   23 Sept   A rook's tour - or walks crossing a square
Bridget Webb   Open University, UK   2 Sept   Infinite Designs
Rosemary Bailey   Queen Mary, University of London   19, 23, 26, 30 Aug   Association Schemes
Rosemary Bailey   Queen Mary, University of London     16 Aug   Hasse diagrams to describe the structure of designed experiments
Curt Lindner   Auburn University, USA     12 August   Constructing quasigroups from cycle systems
Curt Lindner   Auburn University, USA     9 August   The Euler Officer Problem
Curt Lindner   Auburn University, USA     5 August   The intersection problem for maximum packings of Kn with triples, made easy
Curt Lindner   Auburn University, USA     2 August   Perfect dexagon triple systems
Ian Wanless   Australian National University     29 July   Not all numbers were created equal
Peter Cameron   Queen Mary, University of London     26 July   The random graph and the Urysohn space
D.G. Hoffman   Auburn University, USA     9 July   A problem of mixed differences
      13 July   The Grundy colouring number of the n-cube
      16 July 2004   An f-factor theorem for signed graphs
W.D. Wallis   Southern Illinois University, Carbondale, USA     5 July 2004   Hats
Graham Norton   University of Queensland     17 May 2004   Newman's short proof of the Prime Number Theorem
Andrew Blinco   University of Queensland     29 Apr 2004   On the cyclic decomposition of complete graphs into almost-bipartite graphs
Darryn Bryant   University of Queensland     1, 8 Apr 2004   Cycle decompositions and factorisations
Barbara Maenhaut   University of Queensland     18 Mar 2004   Cube factorisations of complete graphs