Serôdio, RogérioBeites, P. D.Vitoria, Jose2020-02-072020-02-072017http://hdl.handle.net/10400.6/9101This is a work on an application of the real split-quaternions to Spatial Analytic Geometry. Concretely, the intersection of a double cone and a line, which can be the empty set, a point, two points or a line, is studied in the real split-quaternions setting.engDouble coneLineIntersectionSplit-quaternionEventDirectionIntersection of a Double Cone and a Line in the Split-Quaternions Contextjournal article10.1007/s00006-017-0796-9