Tentative title: "Coarsening and Smoluchowski ripening in conserved voter models".
If you are interested, then you could read the paper Luca and I published a few years ago:
Algebraic coarsening in voter models with intermediate states
J. Phys. A: Math. Theor. 41 435003
In the Neils Bohr Common Room, floor 6, Schuster Building, University of Manchester, at 4pm.