On the Tits cone of a Weyl groupoid
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keywords
weylarrangementsgroupoidrootsystemtitsaxiomscall
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We translate the axioms of a Weyl groupoid with (not necessarily finite) root system in terms of arrangements. The result is a correspondence between Weyl groupoids permitting a root system and Tits arrangements satisfying an integrality condition which we call the crystallographic property.
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