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Large Scale Structures in Multicellular Chemical Systems

Maselko J.

Polish Journal of Chemistry

2000

Vol. 74, nr 3

311-319

Calculations have led to the discovery of very complex, highly organized and beautiful structures. These structures develop from a single perturbation in 2-D array of chemical cells. The chemistry in every cell is described by the Gray-Scott model, where cells are coupled dy the diffusion of both chemical species. Many of the observed features were never seen in continuous media and may only occur in multicellular chemical systems. Some complex structures are bounded in space, while others are formed close to system boundaries. The characteristic properties are the growth of branches, subbranches and the formation of closed compartments. The influence of symmetry of chemical medium and symmetry of initial perturbations on developed structures is also investigated.