IJPAM: Volume 60, No. 4 (2010)
RANKS FOR SINGULAR CURVES:
THE NODAL DEGREE n+1 LINEARLY
NORMAL SUBCURVE OF
THE NODAL DEGREE n+1 LINEARLY
NORMAL SUBCURVE OF
E. Ballico
Department of Mathematics
University of Trento
38 123 Povo (Trento) - Via Sommarive, 14, ITALY
e-mail: ballico@science.unitn.it
Department of Mathematics
University of Trento
38 123 Povo (Trento) - Via Sommarive, 14, ITALY
e-mail: ballico@science.unitn.it
Abstract.Let X⊂Pn be an integral and non-degenerate curve. Here we introduce some invariants related to the X-ranks and study these invariants and the X-rank when X is a linearly normal curve of degree n+1 with a node.
Received: April 7, 2010
AMS Subject Classification: 14H50, 14N05
Key Words and Phrases: ranks, border rank, singular curve
Source: International Journal of Pure and Applied Mathematics
ISSN: 1311-8080
Year: 2010
Volume: 60
Issue: 4