Transience conjecture for unions of WUSFs on transitive transient graphs

Let GG be a transitive transient graph. For ε>0\varepsilon>0, let an ε\varepsilon-WUSF\operatorname{WUSF} be obtained by independently retaining each edge of a wired uniform spanning forest with probability ε\varepsilon. Transience conjecture. On GG, every connected component of the union of a wired uniform spanning forest and an independent ε\varepsilon-WUSF\operatorname{WUSF} is almost surely transient. This extends the established behavior for transitive unimodular nonamenable graphs and is motivated by the expectation that unions of independent USFs are supercritical; the conjecture remains open in general.

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Primary source

Eleanor Archer, Asaf Nachmias, Matan Shalev and Pengfei Tang, “The union of independent USFs on Z^d is transient”, arXiv:2311.09183 (2023).

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