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要旨:
Models for the generation and repair of sequences of structures in space are proposed. One possibility consists of the mutual or sequential induction of locally exclusive states. The general properties of such an interaction are demonstrated by a system of two components which mutually activate each other: the partition of a field into two parts with good size regulation is possible. Symmetric double gradients or periodic patterns can be formed. In a two-dimensional field, this type of interaction permits the formation of “stripes” of high concentrations of the components. In an extension to more than two components, sequences of structures are formed which show intercalary or terminal regeneration. Relatively simple molecular interactions can lead to such patterns.
