Policy and Complex Systems
Figure 3 Intensity of participation to the clusters of Piedmont municipalities (*) (*) The shape of the nodes represents the numbers of aggregations a municipality belongs to ( up triangle = 1 , square = 2 , and circle = 3 ). The color shows the province in which the municipality is located ( red = Turin , orange = Cuneo , dark green = Alessandria , light blue = V- CO , light green = Biella , yellow = Novara , dark blue = Vercelli , and violet = Asti ). There are 76 municipalities who do not belong to any clusters and are not shown in the representation .
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