New York Journal of Mathematics
Volume 9 (2003) 49-53


E. Ballico

Real theta-characteristics on real projective curves

Published: March 22, 2003
Keywords: singular curve, real curve, theta-characteristic, torsion-free sheaf
Subject: 14H20, 14P99

Here we prove the existence of non-locally free real theta-characteristics on any real reduced projective curve.


This research was partially supported by MURST and GNSAGA of INdAM (Italy).

Author information

Dept. of Mathematics, University of Trento, 38050 Povo (TN), Italy