A Mathematical Model for the Dynamics and Synchronization of Cows
arXiv:1005.1381 · doi:10.1016/j.physd.2011.06.009
Abstract
We formulate a mathematical model for daily activities of a cow (eating, lying down, and standing) in terms of a piecewise affine dynamical system. We analyze the properties of this bovine dynamical system representing the single animal and develop an exact integrative form as a discrete-time mapping. We then couple multiple cow "oscillators" together to study synchrony and cooperation in cattle herds. We comment on the relevant biology and discuss extensions of our model. With this abstract approach, we not only investigate equations with interesting dynamics but also develop interesting biological predictions. In particular, our model illustrates that it is possible for cows to synchronize \emph{less} when the coupling is increased.
to appear in Physica D
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- Synchronization conditions in the Kuramoto model and their relationship to seminorms
- Modeling the lowest-cost splitting of a herd of cows by optimizing a cost function
- Coexistence of periods in a bisecting bifurcation
- Convergence Time Towards Periodic Orbits in Discrete Dynamical Systems
- Fluctuations of a surface relaxation model in interacting scale free networks