Tag Archives: graph homomorphisms

ACCMCC, Day 1

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