In this talk Iâ€™ll describe the hydrodynamic theory of the motion of incompressible flocks: that is, collections of self-propelled entities (â€œbirdsâ€) that are packed so tightly together that their density cannot change as they move. In two dimensions, this problem can be mapped onto an equilibrium magnet with a peculiar constraint. This pro...
Toner, John (University of Oregon)
University of Minnesota, Institute for Mathematics and its Applications.