Conjecture on nonconvergence and asymptotic uniformity for vanishing-duration partitions

From papers

Let T=(h1,h2,)T_\infty=(h_1,h_2,\ldots) be a fixed partition with h1+h2+=+h_1+h_2+\cdots=+\infty, and let vT,λ(p)v_{T_\infty,\lambda}(p) denote the value of the game from Theorem~ with discount parameter λ\lambda and initial probability vector pp. The notation suphi\sup h_i denotes the supremum of the stage durations. Nonconvergence and asymptotic uniformity conjecture. For every fixed partition TT_\infty, the pointwise limit

limλ0vT,λ(p)\lim_{\lambda\to 0}v_{T_\infty,\lambda}(p)

does not exist. Moreover,

lim supλ0vT,λ(p)lim infλ0vT,λ(p)0\left|\limsup_{\lambda\to 0}v_{T_\infty,\lambda}(p)-\liminf_{\lambda\to 0}v_{T_\infty,\lambda}(p)\right|\to 0

as suphi\sup h_i tends to 00, uniformly in pp. This conjecture strengthens the preceding results: for the game considered, the uniform vanishing-stage-duration limit exists whereas the pointwise limit for a particular partition does not. It predicts that every fixed partition retains pointwise nonconvergence, but that the oscillation between the limiting upper and lower values disappears uniformly as all stage durations become small.

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Sources & referencesView supporting material

Primary source

Ivan Novikov, “Asymptotic Value in Zero-Sum Stochastic Games with Vanishing Stage Duration and Public Signals”, arXiv:2403.07467 (2026).

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