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Tag Archives: graph homomorphisms
Orbital combinatorics
Yesterday I went to Edinburgh to give a colloquium talk about synchronization, including the recent stuff about butterflies. The day before, I had discussed Artur Schäfer’s work with him, and he expressed a hope that if he went to the … Continue reading
Homomorphisms modulo a prime
Two of my colleagues have been doing interesting things with counting homomorphisms modulo a prime; Thomas Müller with group homomorphisms, and Mark Jerrum with graph homomorphisms. I may get round to discussing Thomas’s work later. Here I want to discuss … Continue reading