Lax-Oleinik formula for nonautonomous Hamilton-Jacobi equations on networks
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arXiv
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866917492072382464 |
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| author | Pozza, Marco |
| author_facet | Pozza, Marco |
| contents | We provide a Lax-Oleinik-type representation formula for solutions to nonautonomous Hamilton-Jacobi equations posed on networks with a rather general geometry. The networks may possess countably many arcs and allow for the presence of loops. We consider Hamiltonians that are convex and superlinear in the momentum variable, and satisfy a Lipschitz-type condition in the time variable. The representation formula is constructed via an overall Lagrangian that accounts for both the arc-specific dynamics and vertex-based constraints, called flux limiters, which ensure the well-posedness of the problem. We prove that the corresponding action functional admits Lipschitz continuous minimizers without needing to rule out the Zeno phenomenon. Furthermore, we demonstrate that the formula yields the unique solution to the problem even when the flux limiters exceed standard upper bounds. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2605_13704 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Lax-Oleinik formula for nonautonomous Hamilton-Jacobi equations on networks Pozza, Marco Analysis of PDEs 35F21, 35R02, 35B51, 49L25 We provide a Lax-Oleinik-type representation formula for solutions to nonautonomous Hamilton-Jacobi equations posed on networks with a rather general geometry. The networks may possess countably many arcs and allow for the presence of loops. We consider Hamiltonians that are convex and superlinear in the momentum variable, and satisfy a Lipschitz-type condition in the time variable. The representation formula is constructed via an overall Lagrangian that accounts for both the arc-specific dynamics and vertex-based constraints, called flux limiters, which ensure the well-posedness of the problem. We prove that the corresponding action functional admits Lipschitz continuous minimizers without needing to rule out the Zeno phenomenon. Furthermore, we demonstrate that the formula yields the unique solution to the problem even when the flux limiters exceed standard upper bounds. |
| title | Lax-Oleinik formula for nonautonomous Hamilton-Jacobi equations on networks |
| topic | Analysis of PDEs 35F21, 35R02, 35B51, 49L25 |
| url | https://arxiv.org/abs/2605.13704 |