2006 Vertex-colourings and list colourings 8½ lectures .ps 2.ps 4.ps Edge-colourings of simple graphs 4 lectures .ps 2.ps 4.ps Restricted colourings of graphs 2 lectures .ps 2.ps 4.ps Colourfully panconnected subgraphs 4 lectures .ps 2.ps 4.ps Colourfully panconnected subgraphs -- Figures .ps A proportionality problem 2½ lectures .ps 2.ps 4.ps Topics related to combinatorial designs 4½ lectures .ps 2.ps 4.ps Some combinatorial designs (handout) .ps 2005 Matroid theory 14 lectures Chapter 1 Cycle-coboundary duality of graphs .ps 2.ps 4.ps Chapter 2 Introduction to matroids .ps 2.ps 4.ps Chapter 3 Types of matroid .ps 2.ps 4.ps Restriction and contraction of matroids (handout) .ps Chromatic polynomials of plane triangulations 6½ lectures Handout .ps Proofs .ps 2.ps 4.ps 2004 Matchings and factors of graphs 6 lectures .ps 2.ps 4.ps Eigenvalues of graphs 7½ lectures .ps 2.ps 4.ps Leapfrogs and fullerenes (handout) .ps The strong circuit-double-cover conjecture 5½ lectures .ps The Tutte polynomial 2 lectures .ps 2.ps 4.ps The reconstruction conjecture 4½ lectures .ps 2.ps 4.ps Pre-2004 Generic rigidity of graphs .ps