Minority-pair conjecture for minimal bounded width algebras

From papers

Let A\mathbb{A} be a minimal bounded width algebra, and let a,bAa,b\in\mathbb{A}. Write SgA2{(a,a),(a,b),(b,a)}\operatorname{Sg}_{\mathbb{A}^2}\{(a,a),(a,b),(b,a)\} for the subalgebra of A2\mathbb{A}^2 generated by these three pairs. Write aba\mathbin{\rightarrow}b for the directed relation used in the paper.

Minority-pair conjecture. If

(b,b)SgA2{(a,a),(a,b),(b,a)},(b,b)\in\operatorname{Sg}_{\mathbb{A}^2}\{(a,a),(a,b),(b,a)\},

then aba\mathbin{\rightarrow}b.

This would imply that minimal bounded width algebras have no minority pairs. The conjecture holds in every majority algebra and every spiral, but its general status is unresolved in the supplied text.

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Sources & referencesView supporting material

Primary source

Zarathustra Brady, “Examples, counterexamples, and structure in bounded width algebras”, arXiv:1909.05901 (2020).

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