Torsion-freeness conjecture for random cubical complex fundamental groups

Let QQ be a random 2-dimensional cubical complex sampled as QQ2(n,p)Q\sim Q_2(n,p), where p>1(12)1/40p>1-(\tfrac 12)^{1/40}. The fundamental group π1(Q)\pi_1(Q) is the group associated with QQ. Torsion-freeness conjecture. With high probability, π1(Q)\pi_1(Q) is torsion free.

This predicts the absence of finite-order elements in the fundamental group in the high-density regime for random 2-dimensional cubical complexes. The supplied context does not state whether this claim has been proved or disproved.

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Primary source

Matthew Kahle, Elliot Paquette and Érika Roldán, “Topology of random 2-dimensional cubical complexes”, arXiv:2001.07812 (2020).

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