Evolutionary game theory: ESS, convergence stability, and NIS
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作者:
Apaloo, Joseph
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St Francis Xavier Univ, Dept Math Stat & Comp Sci, Antigonish, NS B2G 2W5, CanadaSt Francis Xavier Univ, Dept Math Stat & Comp Sci, Antigonish, NS B2G 2W5, Canada
Apaloo, Joseph
[1
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Brown, Joel S.
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Univ Illinois, Dept Biol Sci, Chicago, IL 60680 USASt Francis Xavier Univ, Dept Math Stat & Comp Sci, Antigonish, NS B2G 2W5, Canada
Brown, Joel S.
[2
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Vincent, Thomas L.
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Univ Arizona, Dept Aerosp & Mech Engn, Tucson, AZ 85721 USASt Francis Xavier Univ, Dept Math Stat & Comp Sci, Antigonish, NS B2G 2W5, Canada
Vincent, Thomas L.
[3
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机构:
[1] St Francis Xavier Univ, Dept Math Stat & Comp Sci, Antigonish, NS B2G 2W5, Canada
[2] Univ Illinois, Dept Biol Sci, Chicago, IL 60680 USA
[3] Univ Arizona, Dept Aerosp & Mech Engn, Tucson, AZ 85721 USA
Question: How are the three main stability concepts from evolutionary game theory evolutionarily stable strategy (ESS), convergence stability, and neighbourhood invader strategy (NIS) - related to each other? Do they form a basis for the many other definitions proposed in the literature? Mathematical methods: Ecological and evolutionary dynamics of population sizes and heritable strategies respectively, and adaptive and NIS landscapes. Results: Only six of the eight combinations of ESS, convergence stability, and NIS are possible. An ESS that is NIS must also be convergence stable; and a non-ESS, non-NIS cannot be convergence stable. A simple example shows how a single model can easily generate solutions with all six combinations of stability properties and explains in part the proliferation of jargon, terminology, and apparent complexity that has appeared in the literature. A tabulation of most of the evolutionary stability acronyms, definitions, and terminologies is provided for comparison. Key conclusions: The tabulated list of definitions related to evolutionary stability are variants or combinations of the three main stability concepts.