IJPAM: Volume 81, No. 6 (2012)

POINTS FROM WHICH THE PROJECTION
OF A CURVE IS VERY STRANGE

E. Ballico
Department of Mathematics
University of Trento
38 123 Povo (Trento) - Via Sommarive, 14, ITALY
e-mail: ballico@science.unitn.it


Abstract. Let $C\subset \mathbb {P}^n$ be an integral curve. Fix an integer $k>0$. We study the set of all $O\in \mathbb {P}^n$ such that for general $(P_1,\cdots ,P_k)\in C^k$ the linear span of $\{O,P_1,\dots ,P_k\}$ contains a point $\ne O$ and linearly independent from $\{P_1,\dots ,P_k\}$.

Received: November 16, 2012

AMS Subject Classification: 14N05, 14H50

Key Words and Phrases: very strange curve, strange curve, linear projection

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Source: International Journal of Pure and Applied Mathematics
ISSN printed version: 1311-8080
ISSN on-line version: 1314-3395
Year: 2012
Volume: 81
Issue: 6