Direction-dependent interaction rules enrich pattern formation in an individual-based model of collective behavior

Cole Zmurchok and Gerda de Vries

PLOS ONE, 2018, vol. 13, issue 6, 1-23

Abstract: Direction-dependent interaction rules are incorporated into a one-dimensional discrete-time stochastic individual-based model (IBM) of collective behavior to compare pattern formation with an existing partial differential equation (PDE) model. The IBM is formulated in terms of three social interaction forces: repulsion, alignment, and attraction, and includes information regarding conspecifics’ direction of travel. The IBM produces a variety of spatial patterns which qualitatively match patterns observed in a PDE model. The addition of direction-dependent interaction rules exemplifies how directional information transfer within a group of individuals can result in enriched pattern formation. Our individual-based modelling framework reveals the influence that direction-dependent interaction rules such as biological communication can have upon individual movement trajectories and how these trajectories combine to form group patterns.

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0198550

DOI: 10.1371/journal.pone.0198550

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