In this paper, we distinguish the concept of global invader strategy (GIS) from that of neighborhood invader strategy (NIS), and discuss the concepts and the properties of ESS, NIS and GIS and relationship among them in the scenario of multi-player matrix game. We show that a GIS is always an ESS an
ESS, NIS and GIS for matrix games in n-species systems
✍ Scribed by Zhanwen Ding; Yanxiang Peng; Honglin Yang
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 163 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0170-4214
- DOI
- 10.1002/mma.1386
No coin nor oath required. For personal study only.
✦ Synopsis
In this paper, we discuss the concepts of evolutionarily stable strategy (ESS), neighborhood invader strategy (NIS) and global invader strategy (GIS) in n-species systems. We give their definitions both on system level and species level. Although the definition on system level and that on species level are apparently different, it is found that they are equivalent to one another. About the relationships among an ESS, an NIS and a GIS for n-species systems, we obtain the results similar to the ones for single species models: a GIS must be an NIS; an NIS must be an ESS; an ESS may not be a GIS; a GIS must be unique. The stability in the frequency dynamics with two phenotypes is also considered and the global stability of a GIS is shown.
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