02/10/2009  4:30pm 
M103 
Diane Donovan, (Queensland) 
The importance of latin trades in the study of completing partial latin squares 
16/10/2009  4:30pm 
M103 
John Talbot, (UCL) 
Triangles in tripartite graphs 
23/10/2009  4:30pm 
M103 
Aidan Roy 
Optimal designs in complex projective space, 1 
06/11/2009  4:30pm 
M103 
Aidan Roy 
Optimal designs in complex projective space, 2 
13/11/2009  4:30pm 
M103 
Thomas Prellberg 
Counting areaweighted Dyckpaths in a slit 
27/11/2009  4:30pm 
M103 
Olof Sisask 
Fourier analysis and approximate structure in additive combinatorics, 1 
04/12/2009  4:30pm 
M103 
Olof Sisask 
Fourier analysis and approximate structure in additive combinatorics, 2 
11/12/2009  4:30pm 
M103 
Raul Mondragon 
Two problems on connectivity of networks 
18/12/2009  4:30pm 
M103 
Liam Halpenny 
Two problems in the theory of planar graphs: A fresh look at the Four Colour Theorem and a (somewhat!) associated Erdős problem 
15/01/2010  4:30pm 
M103 
Victor FalgasRouvry 
Unionclosed families of small weight 
22/01/2010  4:30pm 
M103 
Robert Johnson and Mark Walters 
Graphs as electrical networks, 1 
29/01/2010  4:30pm 
M103 
Robert Johnson and Mark Walters 
Graphs as electrical networks, 2 
05/02/2010  4:30pm 
M103 
Peter Cameron 
Combinatorics of inverse semigroups (after A. Umar) 
12/02/2010  4:30pm 
M103 
John Faben 
Reducing graphs by involutions 
19/02/2010  4:00pm 
M103 
Dan Hefetz (ETH Zürich) 
On two generalizations of the AlonTarsi polynomial method 
19/02/2010  5:00pm 
M103 
Mohan Shrikhande (Central Michigan) 
Infinite families of nonembeddable quasiresidual Menon designs 
26/02/2010  4:30pm 
M103 
Derek Patterson 
Generalising the Inequalities of Fisher and Bose 
05/03/2010  4:30pm 
M103 
Alex O'Neill 
Searching for optimal block designs using Cayley graphs 
12/03/2010  4:30pm 
M103 
Benny Sudakov (UCLA) 
Hypergraph Ramsey problem 
19/03/2010  4:30pm 
M103 
Bill Jackson 
A zerofree interval for chromatic polynomials of 3connected graphs 
16/04/2010  4:30pm 
M103 
Manfred Droste (Leipzig) 
Random constructions of countable abelian pgroups 
30/04/2010  4:30pm 
M103 
Richard Mycroft 
A proof of Sumner's universal tournament conjecture for large n 
07/05/2010  4:30pm 
M103 
Donald Keedwell (Surrey) 
Quasigroup laws which imply that the quasigroup is a loop or group 
14/05/2010  4:30pm 
M103 
Bhalchandra D. Thatte (Oxford) 
Reconstructing population pedigrees and hypergraphs 
28/05/2010  4:30pm 
M103 
Matt Fayers 
Crystals and partitions 
04/06/2010  4:30pm 
M103 
Robert Bailey (Regina) 
Generalised covering designs and cliquecoverings 
18/06/2010  4:30pm 
M203 
Bill Jackson 
Rigidity of direction/length frameworks 
25/06/2010  4:30pm 
M103 
Celia Glass (City) 
Minimizing the number of gapzeros in binary matrices 
02/07/2010  3:00pm 
M103 
Simeon Ball (UPC Barcelona) 
On large subsets of a finite vector space in which every subset of basis size is a basis 
02/07/2010  4:30pm 
M103 
Ian Wanless (Monash) 
Transversals and orthogonal Latin squares 
09/07/2010  4:30pm 
M103 
Koko Kayibi 
Random generation of graphs with prescribed degree sequence 
01/10/2010  4:30pm 
M103 
Ryan Martin (Iowa State University) 
Q_2free families in the Boolean lattice 
08/10/2010  4:30pm 
M103 
Sam Tarzi 
Cartan triality and the 3coloured random graph 
15/10/2010  4:30pm 
M103 
Leonard Soicher 
New optimal semiLatin squares coming from 2transitive groups 
22/10/2010  4:30pm 
M103 
Donald Preece 
If at first you don't succeed ...: a combinatorial breakthrough 
29/10/2010  4:30pm 
M103 
Peter Cameron 
Generating a group by coset representatives 
05/11/2010  4:00pm 
M103 
Rudolf Ahlswede (Bielefeld) 
Identification as a new concept of solution for probabilistic algorithms 
05/11/2010  5:00pm 
M103 
Robert Woodrow (Calgary) 
Intervals 
12/11/2010  4:30pm 
M103 
Mark Jerrum 
The Ising model on some classes of matroids 
19/11/2010  4:30pm 
M103 
Andy Drizen 
Generating uniformly distributed random 2designs with block size 3 
26/11/2010  4:30pm 
M103 
Aylin Cakiroglu 
On the optimality of truncations of projective spaces 
10/12/2010  4:30pm 
M103 
Mark Walters 
Euclidean Ramsey Theory 
14/01/2011  4:30pm 
M103 
Graham Farr (Monash) 
Transforms, minors and generalised Tutte polynomials 
21/01/2011  4:30pm 
M103 
Charles Little (Massy University, NZ) 
A characterisation of PMcompact bipartite and nearbipartite graphs 
28/01/2011  4:30pm 
M103 
Leonard Soicher 
Constructing semiLatin squares, exact comparison of their statistical efficiency measures, and a conjecture of R.A. Bailey 
04/02/2011  4:30pm 
M103 
Dan Hefetz 
Hitting time results for MakerBreaker games 
11/02/2011  4:30pm 
M103 
Donald Keedwell 
Constructions of complete sets of orthogonal diagonal Sudoku latin squares 
25/02/2011  4:30pm 
M103 
Peter Keevash 
Hypergraph packing, 1 
04/03/2011  4:00pm 
M103 
Richard Mycroft 
Hypergraph packing, 2 
04/03/2011  5:00pm 
M103 
Heidi Gebauer (ETH) 
Game theoretic Ramsey numbers 
11/03/2011  4:30pm 
M103 
Alan Sokal (NYU and UCL) 
Roots of a formal power series, with applications to graph enumeration and qseries, 1 
18/03/2011  4:30pm 
M103 
Alan Sokal (NYU and UCL) 
Roots of a formal power series, with applications to graph enumeration and qseries, 2 
25/03/2011  4:30pm 
M103 
Alan Sokal (NYU and UCL) 
Roots of a formal power series, with applications to graph enumeration and qseries, 3 
01/04/2011  4:30pm 
M103 
Dudley Stark 
The asymptotic number of spanning forests of complete bipartite graphs 
08/04/2011  4:30pm 
M103 
Alan Sokal (NYU and UCL) 
Roots of a formal power series, with applications to graph enumeration and qseries, 4 
13/05/2011  4:30pm 
M103 
John McSorley (Southern Illinois) 
On (n,k,lambda)Ovals and (n,k,lambda)Cyclic Difference Sets, Ladders, Hadamard Ovals and Related Topics 
20/05/2011  4:30pm 
M103 
Max Gadouleau 
Combinatorial representations 
12/07/2011  4:30pm 
M103 
Douglas Stones 
Latin squares and network motifs 
07/10/2011  4:30pm 
M103 
Peter Cameron 
Conference matrices 
14/10/2011  4:30pm 
M103 
Geoff Whittle (LMS Aitken Lecturer) 
Wellquasiordering binary matroids 
21/10/2011  4:30pm 
M103 
Emil Vaughan 
Automated proofs of Turán densities using Razborov's flag algebra method 
28/10/2011  4:30pm 
M103 
David Ellis 
Triangleintersecting families of graphs 
04/11/2011  4:30pm 
M103 
Demetres Christofides 
Diameters of random Cayley graphs 
10/11/2011  4:30pm 
M103 
David Conlon (Cambridge) 
On two extensions of Ramsey's theorem 
18/11/2011  4:30pm 
M103 
Jessica Enright (Alberta) 
Listcolouring interval and permutation graphs 
25/11/2011  4:30pm 
M103 
Mark Jerrum 
A graph polynomial, a Markov chain and a counterexample 
02/12/2011  4:30pm 
M103 
Max Gadouleau 
The combinatorics of memoryless computation 
09/12/2011  4:30pm 
M103 
Standa Zivny (Oxford) 
The complexity of conservativevalued CSPs 
13/01/2012  4:30pm 
M103 
Thomas Müller 
Presentations associated with group actions on sets 
20/01/2012  4:30pm 
M103 
Peter Cameron 
Small subsquares of Latin squares 
27/01/2012  4:30pm 
M103 
Olof Sisask 
Arithmetic progressions in sumsets via probability, geometry and analysis 
03/02/2012  4:30pm 
M103 
Simeon Ball (UPC, Barcelona) 
Complete bipartite Turan numbers 
10/02/2012  4:30pm 
M103 
R. A. Bailey 
The Levi graph and the concurrence graph 
24/02/2012  4:30pm 
M103 
Robert Johnson 
Hamilton cycles and matchings with constraints on pairs of edges 
02/03/2012  4:30pm 
M103 
Sasha Gnedin 
Block characters of the symmetric groups 
09/03/2012  4:30pm 
M103 
Catherine Greenhill (New South Wales) 
Making Markov chains less lazy 
16/03/2012  4:30pm 
M103 
Thomas Prellberg 
On qdeformed algebraic and linear functional equations arising in lattice path enumeration 
23/03/2012  4:00pm 
M103 
Celia Glass (City), Peter Cameron 
Acyclic orientations of graphs, 1 
30/03/2012  4:30pm 
M103 
Robert Schumacher (City) 
Acyclic orientations of graphs, 2 
04/05/2012  2:00pm 
M103 
Choongbum Lee (UCLA) 
Robustness of graphs  case study: Dirac's theorem 
04/05/2012  3:00pm 
M103 
Hao Huang (UCLA) 
Extremal problems in Eulerian digraphs 
04/05/2012  4:30pm 
M103 
Benny Sudakov (UCLA) 
The phase transition in random graphs  a simple proof 
18/05/2012  4:30pm 
M103 
Matt Fayers 
Generalised cores 
01/06/2012  4:30pm 
M103 
Peter Cameron 
Counting colourings 
08/06/2012  4:30pm 
M103 
Bill Jackson 
Radically solvable graphs 
20/07/2012  4:30pm 
M103 
Koko Kayibi 
Sampling ecological occurrence matrices 
24/08/2012  4:30pm 
M103 
Mikkel Thorup (Bell Labs) 
The maximal block overhang problem 
30/08/2012  4:30pm 
M103 
Katarzyna RybarczykKrzywdzinska 
Comparison of random intersection graphs with ErdosRenyi graphs 
05/10/2012  4:30pm 
M103 
Peter Cameron 
Entropy, partitions, groups and association schemes, 1 
12/10/2012  4:30pm 
M103 
Rosemary Bailey 
Entropy, partitions, groups and association schemes, 2 
19/10/2012  4:30pm 
M103 
Soren Riis 
Entropy, partitions, groups and association schemes, 3: NonShannon information inequalities 
26/10/2012  4:30pm 
M103 
Dhruv Mubayi 
Quasirandom hypergraphs 
02/11/2012  4:30pm 
M103 
Sune Jakobsen 
Entropy, partitions, groups and association schemes, 4 
09/11/2012  4:30pm 
M103 
Laszlo Vegh (LSE) 
Approximating minimum cost knodeconnected spanning subgraphs 
23/11/2012  4:30pm 
M103 
Fatima Affiff Chaouche (University of Sciences and Technology Houari Boumediene, Algiers) 
Pancyclicity when each cycle must pass exactly k Hamilton cycle chords 
30/11/2012  4:30pm 
M103 
Mark Jerrum 
Reducing graphs by automorphisms 
07/12/2012  4:30pm 
M103 
Fiachra Knox 
Polynomialtime perfect matchings in dense hypergraphs 
11/01/2013  4:30pm 
M103 
Anthony Hilton 
Hall's Theorem and extending latinized rectangles 
18/01/2013  4:30pm 
M103 
Peter Cameron 
Synchronizing nonuniform maps 
25/01/2013  4:30pm 
M103 
Peter Cameron 
Finding a derangement 
01/02/2013  4:30pm 
M103 
Murad Banaji (Portsmouth) 
Matrix stability from bipartite graphs 
08/02/2013  4:30pm 
M103 
Leonard Soicher 
Optimal designs with minimum PVabberration 
15/02/2013  4:30pm 
M103 
Andrew Treglown 
Yet another talk on perfect matchings in hypergraphs 
15/03/2013  4:00pm 
M103 
Aylin Cakiroglu 
Optimal regulargraph designs 
22/03/2013  4:00pm 
M103 
Marcin Krzywkowski 
Trees having many minimal dominating sets 
22/03/2013  5:00pm 
M103 
Jan Volec 
A problem of Erdos and Sos on 3graphs 
19/04/2013  4:30pm 
M103 
Tom Bohman (CarnegieMellon) 
Cube packing problems and zeroerror information theory 
03/05/2013  4:30pm 
M103 
Jeroen Schillewaert (Imperial College) 
Small maximal partial ovoids in generalized quadrangles 
10/05/2013  4:30pm 
M103 
Mikhail Klin (BGU) 
Some new infinite families of nonSchurian association schemes 
17/05/2013  4:30pm 
M103 
Daniel Kral' (Warwick) 
Algorithms for firstorder model checking 
31/05/2013  4:30pm 
M103 
Michelle Kendall 
Combinatorial aspects of key predistribution schemes: designs, hypergraphs and expansion 
27/09/2013  4:30pm 
M103 
Chris Dowden (RHUL) 
Agreement protocols in the presence of a mobile adversary 
04/10/2013  4:30pm 
M103 
Peter Cameron 
A graph covering problem 
11/10/2013  4:30pm 
M103 
Stephen Tate (Warwick) 
Combinatorics in statistical mechanics 
18/10/2013  4:30pm 
M103 
Alex Fink 
Matroid polytope valuations 
25/10/2013  4:30pm 
M103 
Peter Cameron 
Combinatorial YangBaxter 
01/11/2013  4:30pm 
M103 
John Sheehan 
Even orientations of graphs 
22/11/2013  4:30pm 
M103 
Francis Edward Su (Harvey Mudd College) 
Combinatorial fixed point theorems 
29/11/2013  4:30pm 
M103 
Heiko Grossmann 
The distance between two strict weak orders 
06/12/2013  4:30pm 
M103 
Dang Nhat Anh 
Guessing game and fractional clique cover strategy 
13/12/2013  4:30pm 
M103 
Peter Cameron, Robert Schumacher 
Acyclic orientations and polyBernoulli numbers 
17/01/2014  4:30pm 
M103 
Leonard Soicher (QMUL) 
On cliques in edgeregular graphs 
24/01/2014  4:30pm 
M103 
Brett Stevens (Carleton University, Ottawa) 
Partition Graphs and characterization of designs by graph homomorphisms 
31/01/2014  4:30pm 
M103 
Viresh Patel (QMUL) 
A domination algorithm for {0,1}instances of the travelling salesman problem 
07/02/2014  4:30pm 
M103 
Mark Walters (QMUL) 
Fast wins in ninarow games 
14/02/2014  4:30pm 
M103 
Trevor Pinto (QMUL) 
Saturated subgraphs of the hypercube 
28/02/2014  4:30pm 
M103 
Kitty Meeks (QMUL) 
The parameterised complexity of subgraph counting problems 
07/03/2014  4:30pm 
M103 
Neville Ball (QMUL) 
Cops and Robbers on Geometric Graphs 
14/03/2014  4:30pm 
M103 
Tony Guttmann (Melbourne) 
Calculation of the spanning tree constant for threedimensional lattices 
21/03/2014  4:30pm 
M103 
Donovan Young (QMUL, Physics) 
The distribution of dominoes in the game of memory 
13/06/2014  4:30pm 
M103 
Paul Renteln (California State University) 
Reflection Group Numerology 
22/08/2014  4:30pm 
Maths 103 
Dillon Mayhew (Victoria University of Wellington) 
Characterising representable matroids in two different ways 
26/09/2014  4:30pm 
M103 
Eoin Long (University of Oxford) 
FranklRödl type theorems for codes and permutations 
03/10/2014  4:30pm 
M103 
Simon Griffiths (University of Oxford) 
Random Graph Processes 
10/10/2014  4:30pm 
M103 
Dan Kral (University of Warwick) 
Combinatorial limits and their relation to extremal combinatorics and property testing. 
17/10/2014  4:30pm 
M103 
Nick Day (QMUL) 
Saturated graphs of prescribed minimum degree 
24/10/2014  4:30pm 
M103 
Robert Johnson (QMUL) 
Strategy Stealing in Avoidance games 
31/10/2014  4:30pm 
M103 
Olivier Henard (QMUL) 
The random graph near the critical window: a probabilistic review. 
04/11/2014  5:00pm 
4.01, Bancroft Road Teaching Rooms, Mile End Campus, QMUL. 
Peter Cameron (St Andrews) 
Regular Polytopes 
07/11/2014  4:30pm 
M103 
Iain Moffat (RHUL) 
From embedded graphs to deltamatroids. 
14/11/2014  4:30pm 
M103 
Sam Alexander (UCL) 
Biologically Unavoidable Sequences 
21/11/2014  4:30pm 
M103 
Oleg Pikhurko (University of Warwick) 
Measurable circle squaring 
28/11/2014  4:30pm 
M103 
Alex Fink (QMUL) 
The Tutte polynomial via algebraic geometry via splines 
05/12/2014  4:30pm 
M103 
Richard Montgomery (University of Cambridge) 
Spanning Trees in Random Graphs 
12/12/2014  4:30pm 
M103 
Bill Jackson (QMUL) 
Generic rigidity of pointline frameworks 
23/01/2015  4:30pm 
M103 
Sean Eberhard (Oxford) 
Commuting probabilities of finite groups 
30/01/2015  4:30pm 
M103 
Marcin Pilipczuk (Warwick) 
Graph Isomorphism in graphs of bounded treewidth. 
06/02/2015  4:30pm 

Adthasit Sinna (QMUL) 
Tutte trails in plane graphs 
13/02/2015  4:30pm 
M103 
Akihiro Higashitani (Kyoto, visiting Imperial) 
Ehrhart polynomials of lattice polytopes 
27/02/2015  4:30pm 
M103 
Bernd Schulze (Lancaster) 
Rigidity of frameworks on expanding spheres 
06/03/2015  4:30pm 
M103 
Trevor Pinto (QMUL) 
Directed Paths in the Cube 
13/03/2015  4:30pm 
M103 
Alan Sokal (New York) 
Coefficientwise total positivity (via continued fractions) for some Hankel matrices of combinatorial polynomials 
20/03/2015  4:30pm 
M103 
Bhargav Narayanan (Cambridge) 
Coalescence on the real line 
27/03/2015  4:30pm 
M103 
Shabnam Beheshti (QMUL) 
Hydrodynamical Solitons, a Combinatorial Perspective 
10/04/2015  4:30pm 
M103 
Benjamin Schröter (Berlin) 
Matroidal Subdivisions, Dressians and Tropical Grassmannians 
24/04/2015  4:30pm 
M103 
Ivan Izmestiev 
Impossible Triangulations 
15/05/2015  4:30pm 
M103 
Abhishek Methuku (Budapest) 
TBA 