Real rank two geometry

The real rank two locus of an algebraic variety is the closure of the union of all secant lines spanned by real points. We seek a semi-algebraic description of this set. Its algebraic boundary consists of the tangential variety and the edge variety. Our study of Segre and Veronese varieties yields a...

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Bibliographic Details
Main Authors: Seigal, A, Sturmfels, B
Format: Journal article
Published: Elsevier 2017