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The independence from the initial state. Panel (A) shows the evolution of the population profile for σ = 0.15 starting from only one viral variant at an arbitrary position μj on the niche axis (that is, xi = 0 for all i ≠ j and xj = 1). Panel (B) and (C) corresponds to the population profile after 250 and 500 generations, respectively. Emergence of three different lumps becomes clearer after 500 generations.
