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Fig. 2 Relaxation to a fitness maximum does not generate a logarithmic fitness trajectory. Relaxation to a fitness maximum does not generate a logarithmic.

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Presentation on theme: "Fig. 2 Relaxation to a fitness maximum does not generate a logarithmic fitness trajectory. Relaxation to a fitness maximum does not generate a logarithmic."— Presentation transcript:

1 Fig. 2 Relaxation to a fitness maximum does not generate a logarithmic fitness trajectory.
Relaxation to a fitness maximum does not generate a logarithmic fitness trajectory. (A and B) Without epistasis (J = 0) (blue curves), the fitness reaches the global maximum quickly and follows a power law F=Fmax−Fmax−1(1+bt)γ with γ = 2. With maximum epistasis (h = 0) (red curves), the fitness trajectory is slower with a power law exponent γ ≈ 0.9 but is still not as slow as a log trajectory if we do not allow escape from local fitness maxima. Here and in all other figures, time t is measured in units of number of mutational attempts (other parameters: L = 200, initial rank = 100, ρ = 0.05, Δ = 0.003). Yipei Guo et al. Sci Adv 2019;5:eaav3842 Copyright © 2019 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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