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 area-weighted Dyck-paths 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 Falgas-Rouvry |
Union-closed 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 Alon-Tarsi polynomial method |

19/02/2010 - 5:00pm |
M103 |
Mohan Shrikhande (Central Michigan) |
Infinite families of non-embeddable quasi-residual 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 zero-free interval for chromatic polynomials of 3-connected graphs |

16/04/2010 - 4:30pm |
M103 |
Manfred Droste (Leipzig) |
Random constructions of countable abelian p-groups |

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 clique-coverings |

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 gap-zeros 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_2-free families in the Boolean lattice |

08/10/2010 - 4:30pm |
M103 |
Sam Tarzi |
Cartan triality and the 3-coloured random graph |

15/10/2010 - 4:30pm |
M103 |
Leonard Soicher |
New optimal semi-Latin squares coming from 2-transitive 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 2-designs 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 PM-compact bipartite and near-bipartite graphs |

28/01/2011 - 4:30pm |
M103 |
Leonard Soicher |
Constructing semi-Latin 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 Maker-Breaker 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 q-series, 1 |

18/03/2011 - 4:30pm |
M103 |
Alan Sokal (NYU and UCL) |
Roots of a formal power series, with applications to graph enumeration and q-series, 2 |

25/03/2011 - 4:30pm |
M103 |
Alan Sokal (NYU and UCL) |
Roots of a formal power series, with applications to graph enumeration and q-series, 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 q-series, 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) |
Well-quasi-ordering 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 |
Triangle-intersecting 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) |
List-colouring 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 conservative-valued 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 q-deformed 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 Rybarczyk-Krzywdzinska |
Comparison of random intersection graphs with Erdos-Renyi 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: Non-Shannon 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 k-node-connected 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 |
Polynomial-time 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 non-uniform 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 PV-abberration |

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 regular-graph 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 3-graphs |

19/04/2013 - 4:30pm |
M103 |
Tom Bohman (Carnegie-Mellon) |
Cube packing problems and zero-error 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 non-Schurian association schemes |

17/05/2013 - 4:30pm |
M103 |
Daniel Kral' (Warwick) |
Algorithms for first-order 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 Yang-Baxter |

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 poly-Bernoulli numbers |

17/01/2014 - 4:30pm |
M103 |
Leonard Soicher (QMUL) |
On cliques in edge-regular 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 n-in-a-row 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 three-dimensional 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) |
Frankl-Rödl type theorems for codes and permutations |

03/10/2014 - 4:30pm |
M103 |
Simon Griffiths (University of Oxford) |
TBA |