IJPAM: Volume 52, No. 2 (2009)
SPANNED SHEAVES ON REDUCIBLE CURVES WITH
DEGREES COMING FROM THEIR NON LOCAL FREENESS
DEGREES COMING FROM THEIR NON LOCAL FREENESS
E. Ballico
Department of Mathematics
University of Trento
380 50 Povo (Trento) - Via Sommarive, 14, ITALY
e-mail: ballico@science.unitn.it
Department of Mathematics
University of Trento
380 50 Povo (Trento) - Via Sommarive, 14, ITALY
e-mail: ballico@science.unitn.it
Abstract.Let 
be a reduced projective curve. Here we study spanned torsion free sheaves on with pure rank 
and low degree (the degree coming only from the singularities of the sheaves). These sheaves come from the disconnecting points of .
Received: March 8, 2009
AMS Subject Classification: 14H51, 14H10, 14H20
Key Words and Phrases: torsion free sheaf, spanned sheaf, reducible curve
Source: International Journal of Pure and Applied Mathematics
ISSN: 1311-8080
Year: 2009
Volume: 52
Issue: 2