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Fig. 2

Growth rates in the λ−σ space: Model 1 (top), Model 4 (middle), Model 5 (bottom); all computed for s = 6 and rpb, for which the growth rate is maximal. In Model 1 rpb = 5.8, compare with Fig. 3. Black diamonds show positions of maximal values of the growth rate.
This figure is made of several images, please see below:
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