Tag Archives: graph homomorphisms


I’m at the University of Queensland this week for the 39th Australasian Conference on Combinatorial Mathematics and Combinatorial Computing. It is slightly scary to think that it is nearly 52 years since I came to the University as a student. … Continue reading

Posted in events | Tagged , , , | 1 Comment

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

Posted in exposition | Tagged , , , , , , , , , , | 1 Comment

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

Posted in exposition, mathematics | Tagged , , | 2 Comments