We derive a discrete version of the results of Davini et al. (Convergence of the solutions of the discounted Hamilton–Jacobi equation. Invent Math, 2016). If M is a compact metric space, c: M× M→ R a continuous cost function and λ∈ (0 , 1) , the unique solution to the discrete λ-discounted equation is the only function uλ: M→ R such that (Formula presented.). We prove that there exists a unique constant α∈ R such that the family of uλ+ α/ (1 - λ) is bounded as λ→ 1 and that for this α, the family uniformly converges to a function u0: M→ R which then verifies (Formula presented.).The proofs make use of Discrete Weak KAM theory. We also characterize u0 in terms of Peierls barrier and projected Mather measures.
CITATION STYLE
Davini, A., Fathi, A., Iturriaga, R., & Zavidovique, M. (2016). Convergence of the solutions of the discounted equation: the discrete case. Mathematische Zeitschrift, 284(3–4), 1021–1034. https://doi.org/10.1007/s00209-016-1685-y
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