Conjecture on the emptiness of the critical slow-point set

From papers

Let θc\theta_c be the critical parameter and let S(θc) \mathfrak S(\theta_c) denote the corresponding random set of points of slow growth. Write dimH \operatorname{dim_{_{\rm H}}} for Hausdorff dimension. Critical slow-point emptiness conjecture.

S(θc)=a.s.\mathfrak S(\theta_c)=\varnothing \quad\text{a.s.}

This is the parabolic SPDE analogue of the corresponding assertion for slow points of Brownian motion. The best result currently available is only dimHS(θc)=0\operatorname{\dim_{_{\rm H}}}\mathfrak S(\theta_c)=0, so the conjecture remains open.

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Sources & referencesView supporting material

Primary source

Davar Khoshnevisan and Cheuk Yin Lee, “Points of slow growth for parabolic SPDEs”, arXiv:2512.15177 (2025).

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