Linear-order conjecture for reduced cycle graphs

Let GG be a group generated as a monoid by a conjugation-closed subset AA, let cG\mathfrak{c}\in G, and let AcA_{\mathfrak{c}} be the generators appearing in reduced AA-factorizations of c\mathfrak{c}. Let Pc(G,A)\mathcal{P}_{\mathfrak{c}}(G,A) be the factorization poset, let \prec be a c\mathfrak{c}-compatible order of AcA_{\mathfrak{c}}, and let Γ(Pg)\Gamma_{\prec}(\mathcal{P}_{g}) denote the reduced cycle graph associated with the subposet at gg. Reduced-cycle-graph conjecture. If Pc(G,A)\mathcal{P}_{\mathfrak{c}}(G,A) is totally chain-connected and admits a c\mathfrak{c}-compatible order \prec, then for every gPc(G,A)g\in\mathcal{P}_{\mathfrak{c}}(G,A), the reduced cycle graph Γ(Pg)\Gamma_{\prec}(\mathcal{P}_{g}) induces a linear order. By the preceding proposition, this would imply the conjectured total well-coveredness property.

Sources & referencesView supporting material

Primary source

Henri Mühle and Vivien Ripoll, “Connectivity Properties of Factorization Posets in Generated Groups”, arXiv:1710.02063 (2019).

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