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・ Evolution Tower
・ Evolution window
・ Evolution Without Evidence
・ Evolution World Tour
・ Evolution Worlds
・ Evolution's Child
・ Evolution's Darling
・ Evolution, Me & Other Freaks of Nature
・ Evolution, Mind and Behaviour
・ Evolution-Data Optimized
・ Evolution-X
・ Evolution/Revolution
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・ Evolutionarily Significant Unit
・ Evolutionarily stable set
Evolutionarily stable state
・ Evolutionarily stable strategy
・ Evolutionary acquisition of neural topologies
・ Evolutionary aesthetics
・ Evolutionary Air and Space Global Laser Engagement
・ Evolutionary algorithm
・ Evolutionary Algorithm for Landmark Detection
・ Evolutionary anachronism
・ Evolutionary anthropology
・ Evolutionary Anthropology (journal)
・ Evolutionary approaches to depression
・ Evolutionary argument against naturalism
・ Evolutionary arms race
・ Evolutionary art
・ Evolutionary baggage


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Evolutionarily stable state : ウィキペディア英語版
Evolutionarily stable state
"A population is said to be in an evolutionarily stable state if its genetic composition is restored by selection after a disturbance, provided the disturbance is not too large. Such a population can be genetically monomorphic or polymorphic." --Maynard Smith (1982).
Contrast this with the definition of an evolutionarily stable strategy, which is a game theory concept.
"An ESS or evolutionarily stable strategy is a strategy such that, if all the members of a population adopt it, no mutant strategy can invade." --Maynard Smith (1982).
== Mathematical formulation ==

Evolutionarily stable states are frequently used to identify solutions to the replicator equation, given in its linear payoff form by
:\dot=x_i\left(\left(Ax\right)_i-x^TAx\right),
The state \hat is said to be evolutionarily stable if for all x \neq \hat in some neighborhood of \hat
:x^TAx < \hat^TAx
This is similar but distinct from the concept of an evolutionarily stable strategy.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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