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Monotone Neural Policy Iteration for High-Dimensional First-Order Hamilton--Jacobi--Bellman Equations

arxiv.org/abs/2605.07116

quality89

Updated 1 h ago · first seen 11 Sept 2026

paper_01M294FS5XKFXZR0YFY7W54V59

Published
11 Sept 2026
T1 · 1 h ago
arXiv
2605.07116
T1 · 1 h ago
Category
cs.LG
T1 · 1 h ago

Abstract

We analyze a neural semi-discrete method for high-dimensional first-order Hamilton-Jacobi-Bellman (HJB) equations with known or learned dynamics. Centered differences and an artificial viscosity $Nh=O(h)$ define a monotone operator evaluated through $2d+1$ shifted network queries; policy iteration solves the resulting Bellman equation without a tensor grid. At fixed $h$, the sharp componentwise condition $\max_i|f_i|\le2N$ turns every frozen-policy operator into a nearest-neighbor Markov-chain generator with a policy-independent total jump rate. Uniformization gives whole-space well-posedness for measurable feedbacks, an explicit Poisson-tail bound on the numerical domain of dependence, and boundary-free localization. The representation also yields a posteriori policy-evaluation bounds that account for residual and learned-model errors. A greedy-gap analysis controls inexact policy iteration at fixed $h$; a separate consistency estimate connects the semi-discrete equation to the continuous HJB equation. Experiments reproduce the extremal tail, show rates consistent with $O(\sqrt h)$ and nearly $h$-independent exact-policy-iteration decay, and assess empirical estimator effectivity. A nonsmooth example shows that the continuous residual can miss a non-viscosity solution, whereas the shifted residual detects the defect. Further tests provide a structured interval-verified certificate calibration, an early-budget benefit of policy freezing for bang-bang control, and learned-dynamics diagnostics. A structured nonlinear problem with active compact-control constraints is tested against a manufactured semi-discrete reference through $d=1024$.

Authors 4

Minseok Kim, Yeongjong Kim, Namkyeong Cho, Yeoneung Kim

Specification

Official page

Source:arXiv (Atom API + RSS)T1observed 1 h agohigh

Arxiv announce type
replace

Source:arXiv (Atom API + RSS)T1observed 1 h agohigh

arXiv id
2605.07116

Source:arXiv (Atom API + RSS)T1observed 1 h agohigh

Categories
cs.LG, cs.AI, cs.NA, math.NA, math.OC

Source:arXiv (Atom API + RSS)T1observed 1 h agohigh

PDF

Source:arXiv (Atom API + RSS)T1observed 1 h agohigh

Primary category
cs.LG

Source:arXiv (Atom API + RSS)T1observed 1 h agohigh

Published
11 Sept 2026

Source:arXiv (Atom API + RSS)T1observed 1 h agohigh

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Provenance

Attributed facts

9

Source tiers

T19

Freshest observation

1 h ago

Conflicts

None