Static class-guided selection of elementary solutions in non-monotone vanishing discount problems
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866910017761837056 |
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| author | Ni, Panrui Yan, Jun Zavidovique, Maxime |
| author_facet | Ni, Panrui Yan, Jun Zavidovique, Maxime |
| contents | We study a generalized vanishing discount problem for Hamilton--Jacobi equations, removing the standard monotonicity assumption, either in a global sense or when integrated against all Mather measures. Specifically, we consider \[ λa(x)u(x)+H(x,Du(x))-Aλ=c_0, \] with a suitably chosen constant $A>0$. By appropriately changing the signs of the function $a(x)$ on different static classes associated with $H$, we show that the maximal viscosity solution converges uniformly as $λ\to 0^+$ and that all elementary solutions of the stationary equation \[ H(x,Du(x))=c_0 \] can be selected as limits. This provides the first result for selecting multiple viscosity solutions in vanishing discount problems beyond the usual monotonicity and integral assumptions, as long as $a(x)$ is positive on one static class. Our results highlight the crucial role of static classes in controlling the asymptotic behavior of viscosity solutions. Previously, under usual monotonicity assumptions, only a single solution could be selected (as discussed in \cite{GL}), whereas our approach allows controlled selection of multiple solutions via static class-guided discount coefficients. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_09697 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Static class-guided selection of elementary solutions in non-monotone vanishing discount problems Ni, Panrui Yan, Jun Zavidovique, Maxime Analysis of PDEs Dynamical Systems 35F21, 37J51, 49L25, 35B40 We study a generalized vanishing discount problem for Hamilton--Jacobi equations, removing the standard monotonicity assumption, either in a global sense or when integrated against all Mather measures. Specifically, we consider \[ λa(x)u(x)+H(x,Du(x))-Aλ=c_0, \] with a suitably chosen constant $A>0$. By appropriately changing the signs of the function $a(x)$ on different static classes associated with $H$, we show that the maximal viscosity solution converges uniformly as $λ\to 0^+$ and that all elementary solutions of the stationary equation \[ H(x,Du(x))=c_0 \] can be selected as limits. This provides the first result for selecting multiple viscosity solutions in vanishing discount problems beyond the usual monotonicity and integral assumptions, as long as $a(x)$ is positive on one static class. Our results highlight the crucial role of static classes in controlling the asymptotic behavior of viscosity solutions. Previously, under usual monotonicity assumptions, only a single solution could be selected (as discussed in \cite{GL}), whereas our approach allows controlled selection of multiple solutions via static class-guided discount coefficients. |
| title | Static class-guided selection of elementary solutions in non-monotone vanishing discount problems |
| topic | Analysis of PDEs Dynamical Systems 35F21, 37J51, 49L25, 35B40 |
| url | https://arxiv.org/abs/2602.09697 |