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Figure 2
(a) An example of a metastable unit-distance graph in which vertex 1 occupies a false-minimum position where the 1–2 and 1–3 edges are shorter than the other (black) edges and thus vertex 1 experiences Fs in the direction of the red arrows. In response to Fs, vertex 1 also experiences Fc (black dashed arrows) as the distance between vertex 1 and all other vertices to which it is not linked is shorter than the length of the black edge. For vertex 1 to move from this false minimum, Fs must increase temporarily as shown in (b) in order to converge to the ideal position shown in (c).

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