Regularization of Stationary Second-order Mean Field Game Partial Differential Inclusions
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arXiv
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866908533725855744 |
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| author | Osborne, Yohance A. P. Smears, Iain |
| author_facet | Osborne, Yohance A. P. Smears, Iain |
| contents | Mean field Game (MFG) Partial Differential Inclusions (PDI) are generalizations of the system of Partial Differential Equations (PDE) of Lasry and Lions to situations where players in the game may have possibly nonunique optimal controls, and the resulting Hamiltonian is not required to be differentiable. We study second-order MFG PDI with convex, Lipschitz continuous, but possibly nondifferentiable Hamiltonians, and their approximation by systems of classical MFG PDE with regularized Hamiltonians. Under very broad conditions on the problem data, we show that, up to subsequences, the solutions of the regularized problems converge to solutions of the MFG PDI. In particular, we show the convergence of the value functions in the $H^1$-norm and of the densities in $L^q$-norms. Under stronger hypotheses on the problem data, we also show rates of convergence between the solutions of the original and regularized problems, without requiring any higher regularity of the solutions. We give concrete examples that demonstrate the sharpness of several aspects of the analysis. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_10810 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Regularization of Stationary Second-order Mean Field Game Partial Differential Inclusions Osborne, Yohance A. P. Smears, Iain Optimization and Control Analysis of PDEs 35Q89, 49N80, 91A16 Mean field Game (MFG) Partial Differential Inclusions (PDI) are generalizations of the system of Partial Differential Equations (PDE) of Lasry and Lions to situations where players in the game may have possibly nonunique optimal controls, and the resulting Hamiltonian is not required to be differentiable. We study second-order MFG PDI with convex, Lipschitz continuous, but possibly nondifferentiable Hamiltonians, and their approximation by systems of classical MFG PDE with regularized Hamiltonians. Under very broad conditions on the problem data, we show that, up to subsequences, the solutions of the regularized problems converge to solutions of the MFG PDI. In particular, we show the convergence of the value functions in the $H^1$-norm and of the densities in $L^q$-norms. Under stronger hypotheses on the problem data, we also show rates of convergence between the solutions of the original and regularized problems, without requiring any higher regularity of the solutions. We give concrete examples that demonstrate the sharpness of several aspects of the analysis. |
| title | Regularization of Stationary Second-order Mean Field Game Partial Differential Inclusions |
| topic | Optimization and Control Analysis of PDEs 35Q89, 49N80, 91A16 |
| url | https://arxiv.org/abs/2408.10810 |