Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleA Characterization of Secant Varieties of Severi Varieties Among Cubic Hypersurfaces.AuthorsFu, Baohua; Jeong, Yewon; Zak, Fyodor LAbstractIt is shown that an irreducible cubic hypersurface with nonzero Hessian and smooth singular locus is the secant variety of a Severi variety if and only if its Lie algebra of infinitesimal linear automorphisms admits a nonzero prolongation.SubjectsLINEAR algebra; LIE algebras; AUTOMORPHISMSPublicationIMRN: International Mathematics Research Notices, 2021, Vol 2021, Issue 4, p2763ISSN1073-7928Publication typeArticleDOI10.1093/imrn/rnaa223