期刊
PHYSICS LETTERS A
卷 373, 期 10, 页码 952-956出版社
ELSEVIER
DOI: 10.1016/j.physleta.2008.12.070
关键词
Physarum polycephalum; Belousov-Zhabotinsky reaction; Pattern formation; Morphogenesis; Oregonator
A sub-excitable Belousov-Zhabotinsky (BZ) medium exhibits self-localized wave-fragments which may travel for relatively long time preserving their shape. Using Oregonator model of the BZ medium we imitate foraging behavior of a true slime mold, Physarum polycephalum, on a nutrient-poor substrate. We show that given erosion post-processing operations the BZ medium can approximate a spanning tree of a planar set and thus is computationally equivalent to Physarum in the domain of proximity graph construction. (C) 2009 Elsevier B.V. All rights reserved.
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