Team game adaptive dynamics
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866916110386855936 |
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| author | Karlsson, Carl-Joar Gerlee, Philip Rowlett, Julie |
| author_facet | Karlsson, Carl-Joar Gerlee, Philip Rowlett, Julie |
| contents | Adaptive dynamics describes a deterministic approximation of the evolution of scalar- and function-valued traits. Applying it to the team game developed by Menden-Deuer and Rowlett [Menden-Deuer & Rowlett 2019], we constructed an evolutionary process in the game. We also refined the adaptive dynamics framework itself to a new level of mathamatical rigor. In our analysis, we demonstrated the existence of solutions to the adaptive dynamics for the team game and determined their regularity. Moreover, we identified all stationary solutions and proved that these are precisely the Nash equilibria of the team game. Numerical examples are provided to highlight the main characteristics of the dynamics. The linearity of the team game results in unstable dynamics; non-stationary solutions oscillate and perturbations of the stationary solutions do not shrink. Instead, a linear type of branching may occur. We finally discuss how to experimentally validate these results. Due to the abstract nature of the team game, our results could be applied to derive implications and predictions in several fields including biology, sports, and finance. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2401_17090 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Team game adaptive dynamics Karlsson, Carl-Joar Gerlee, Philip Rowlett, Julie Dynamical Systems Populations and Evolution 49N70, 37N25, 91A10, 91A22 Adaptive dynamics describes a deterministic approximation of the evolution of scalar- and function-valued traits. Applying it to the team game developed by Menden-Deuer and Rowlett [Menden-Deuer & Rowlett 2019], we constructed an evolutionary process in the game. We also refined the adaptive dynamics framework itself to a new level of mathamatical rigor. In our analysis, we demonstrated the existence of solutions to the adaptive dynamics for the team game and determined their regularity. Moreover, we identified all stationary solutions and proved that these are precisely the Nash equilibria of the team game. Numerical examples are provided to highlight the main characteristics of the dynamics. The linearity of the team game results in unstable dynamics; non-stationary solutions oscillate and perturbations of the stationary solutions do not shrink. Instead, a linear type of branching may occur. We finally discuss how to experimentally validate these results. Due to the abstract nature of the team game, our results could be applied to derive implications and predictions in several fields including biology, sports, and finance. |
| title | Team game adaptive dynamics |
| topic | Dynamical Systems Populations and Evolution 49N70, 37N25, 91A10, 91A22 |
| url | https://arxiv.org/abs/2401.17090 |