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DY: Fachverband Dynamik und Statistische Physik
DY 36: Statistical Physics in Biological Systems IV (organised by BP)
DY 36.3: Vortrag
Donnerstag, 17. März 2011, 14:30–14:45, ZEU 260
Statistical topography of fitness landscapes — •Jasper Franke1, Alexander Klözer1, J. Arjan G. M. de Visser2, and Joachim Krug1 — 1Cologne University, Cologne, Germany — 2Wageningen University, Wageningen, Netherlands
The adaptive evolution of a population under the influence of mutations and selection is governed by the structure of the underlying fitness landscape. Previous theoretical studies of topographical quantities on fitness landscapes have mostly focused on local properties such as local maxima.
Here we investigate the global property of accessible paths traversing the complete genome configuration space towards the global optimum. Numerical and analytical studies and comparison to empirical data suggest a surprising unversality across almost all established theoretical models, indicating high accessibility of the globally optimal configuration in the biologically relevant limit of very long genome sequences.