Equivalence of the Hurwitz transitivity and consecutive-pair conjectures

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Let WW be a reflection group whose generators all have order three. Let c∈Wc\in W be a Coxeter element. Let TT be a longer reflection factorization of cc. The Hurwitz transitivity conjecture asserts that reflection factorizations of cc are classified up to Hurwitz orbit by their multisets of conjugacy classes, while the consecutive-pair conjecture asserts that the Hurwitz orbit of TT contains a factorization with a consecutive (t,t)(t,t) pair. Equivalence conjecture. The Hurwitz transitivity conjecture and the consecutive-pair conjecture are logically equivalent. The paper presents this as a reduction for reflection groups with order-three generators; neither the general equivalence's constituent claims nor the resulting general transitivity statement is established there.

References

Primary source

Zachery Peterson, “Hurwitz Transitivity of Longer Reflection Factorizations in G4 and G5”, arXiv:1808.01268 (2018).

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