Topological efficiency in three-dimensional gallery networks of termite nests |
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Authors: | Andrea Perna Sergi Valverde Jacques Gautrais Christian Jost Pascale Kuntz |
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Affiliation: | a Centre de Recherches sur la Cognition Animale, CNRS UMR 5169, Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex 4, France b Laboratoire d’Informatique de Nantes Atlantique, Site Ecole Polytechnique de l’Université de Nantes, La Chantrerie, BP50609, 44306 Nantes Cedex 3, France c ICREA-Complex Systems Lab, Universitat Pompeu Fabra, Dr. Aiguader 80, 08003 Barcelona, Spain |
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Abstract: | Transport networks are a key component of human and natural societies that enable efficient communication at a low cost. Here, we study the topological efficiency of the three-dimensional networks of galleries in termite nests and how spatial constraints affect the organisation of these networks. Cubitermes termite nests have far better than random transportation efficiency, but they do not reach theoretical optimal performance. We rather suggest a multiobjective process where a number of additional requirements, such as resilience to external attacks and the presence of spatial constraints, limit the ability of the system to achieve maximal transportation performance. |
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Keywords: | Spatial networks Social insects Transportation networks Self organized structures |
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