Evolutionarily stable strategy
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In game theory and behavioural ecology, an evolutionarily stable strategy (ESS) is a strategy which, if adopted by a population of players, cannot be invaded by any alternative strategy that is initially rare. An ESS is an equilibrium refinement of the Nash equilibrium – it is a Nash equilibrium which is "evolutionarily" stable meaning that once it is fixed in a population, natural selection alone is sufficient to prevent alternative (mutant) strategies from successfully invading.
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See also
- Evolutionary game theory
- Hawk-Dove game
- War of attrition (game)
- Fitness landscape
- Antipredator adaptation
- Prisoner's dilemma
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