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. 2012 May 31;8(5):e1002534. doi: 10.1371/journal.pcbi.1002534

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The mean fitness is shown as a function of fractional population size . The two values (with and ) illustrate typical behavior below and above the critical point. The C-L and L-G transitions are indicated for the subcritical case.

Inline graphic — The mean fitness is shown as a function of fractional population size . The two values (with and ) illustrate typical behavior below and above the critical point. The C-L and L-G transitions are indicated for the subcritical case.