Simpson, Matthew J.; Landman, Kerry A.; Hughes, Barry D. - In: Physica A: Statistical Mechanics and its Applications 388 (2009) 4, pp. 399-406
A motility mechanism based on a simple exclusion process, where the movement of discrete agents on a lattice is either unbiased (symmetric) or biased (asymmetric) is considered. Estimates of diffusivities from tracking data do not describe the population-level response of the system. This...