The quasi-loop theorem for Euclidean nets

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Let GG be a Euclidean net. For an isotropic graph of dimension two or three, the paper's theorem asserts that for every 0<ϵ<10<\epsilon<1 there is a δ=δ(ϵ,G)>0\delta=\delta(\epsilon,G)>0 such that, for all v∈Gv\in G, all r>C(ϵ,G)r>C(\epsilon,G), and every subset v∈D⊂B(v,r)v\in\mathcal{D}\subset B(v,r),

EvQL⁡(r1−ϵ,r1−δ,LE⁡(R[0,T(∂D)]))≤C(ϵ,G)r−δ.\mathbb{E}^{v}\operatorname{QL}(r^{1-\epsilon},r^{1-\delta},\operatorname{LE}(R[0,T(\partial\mathcal{D})]))\leq C(\epsilon,G)r^{-\delta}.

Quasi-loop theorem conjecture. Theorem 4.6 should hold for any Euclidean net. Extending the result would give quasi-loop control for loop-erased random walks on all Euclidean nets, rather than only the isotropic graphs covered by the theorem.

References

Primary source

Gady Kozma, “The scaling limit of loop-erased random walk in three dimensions”, arXiv:math/0508344 (2005).

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