IJPAM: Volume 91, No. 3 (2014)

ON THE RANKS OF POINTS OF TANGENT DEVELOPABLES
(SCROLLS AND SEGRE-VERONESE VARIETIES)

E. Ballico
Department of Mathematics
University of Trento
38 123 Povo (Trento) - Via Sommarive, 14, ITALY


Abstract. We compute the X-rank of points of the tangent developable of embeddings of the Hirzebruch surfaces.

Received: December 12, 2013

AMS Subject Classification: 14N05, 14Q05, 15A69

Key Words and Phrases: $X$-rank, tangent developable, generic tangent space

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DOI: 10.12732/ijpam.v91i3.11 How to cite this paper?
Source: International Journal of Pure and Applied Mathematics
ISSN printed version: 1311-8080
ISSN on-line version: 1314-3395
Year: 2014
Volume: 91
Issue: 3