Topological methods in matching theory
by Ron Aharoni.
Slides: Two fixed point theorems, Simplicial complexes and connectivity, Applications of connectivity, More applications of connectivity.
Local chromatic number and related invariants of Kneser-like graphs
by Gabor Simonyi.
Lecture notes.
Ky Fan's lemma, Kneser graphs, and generalizations
by Frédéric Meunier.
Lecture notes.
Slides: plan, combinatorial topology, Kneser hypergraphs, Combinatorial approach to Kneser graphs.
Topological test graphs and the geometry of stable Kneser graphs
by Carsten Schultz.
Slides