Here we discuss some Brill-Noether problems for rank 1 sheaves on stable curves.
@article{1430, title = {Brill-Noether Theories for Rank 1 Sheaves on Mg}, journal = {CUBO, A Mathematical Journal}, volume = {12}, year = {2010}, language = {en}, url = {http://dml.mathdoc.fr/item/1430} }
Ballico, E. Brill-Noether Theories for Rank 1 Sheaves on Mg. CUBO, A Mathematical Journal, Tome 12 (2010) . http://gdmltest.u-ga.fr/item/1430/