Equilibrium for max-plus payoff
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arXiv
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866914372160323584 |
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| author | Radul, Taras |
| author_facet | Radul, Taras |
| contents | We study equilibrium concepts in non-cooperative games under uncertainty where both beliefs and mixed strategies are represented by non-additive measures (capacities). In contrast to the classical Nash framework based on additive probabilities and linear convexity, we employ capacities and max-plus integrals to model qualitative and idempotent decision criteria. Two equilibrium notions are investigated: Nash equilibrium in mixed strategies expressed by capacities, and equilibrium under uncertainty in the sense of Dow and Werlang, where players choose pure strategies but evaluate payoffs with respect to non-additive beliefs. For games with compact strategy spaces and continuous payoffs, we establish existence results for both equilibrium concepts using abstract convexity techniques and a Kakutani-type fixed point theorem. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_05461 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Equilibrium for max-plus payoff Radul, Taras Computer Science and Game Theory General Topology 28E10, 91A10, 52A01, 54H25 We study equilibrium concepts in non-cooperative games under uncertainty where both beliefs and mixed strategies are represented by non-additive measures (capacities). In contrast to the classical Nash framework based on additive probabilities and linear convexity, we employ capacities and max-plus integrals to model qualitative and idempotent decision criteria. Two equilibrium notions are investigated: Nash equilibrium in mixed strategies expressed by capacities, and equilibrium under uncertainty in the sense of Dow and Werlang, where players choose pure strategies but evaluate payoffs with respect to non-additive beliefs. For games with compact strategy spaces and continuous payoffs, we establish existence results for both equilibrium concepts using abstract convexity techniques and a Kakutani-type fixed point theorem. |
| title | Equilibrium for max-plus payoff |
| topic | Computer Science and Game Theory General Topology 28E10, 91A10, 52A01, 54H25 |
| url | https://arxiv.org/abs/2603.05461 |