IJPAM: Volume 71, No. 4 (2011)

JOINS AND GENERIC UNIQUENESS
OF A SECANT SPACE

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


Abstract. Here we study two cases (a join and secant varieties to a curve $X\subset \mathbb {P}^r$) in which a general point of the join in contained in a unique secant space.

Received: May 17, 2011

AMS Subject Classification: 14N05, 14H50

Key Words and Phrases: join, secant variety

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Source: International Journal of Pure and Applied Mathematics
ISSN printed version: 1311-8080
ISSN on-line version: 1314-3395
Year: 2011
Volume: 71
Issue: 4