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Moduli of roots of line bundles on curves
Author(s):
Lucia
Caporaso;
Cinzia
Casagrande;
Maurizio
Cornalba
Journal:
Trans. Amer. Math. Soc.
359
(2007),
3733-3768.
MSC (2000):
Primary 14H10, 14H60;
Secondary 14K30
Posted:
March 7, 2007
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Abstract:
We treat the problem of completing the moduli space for roots of line bundles on curves. Special attention is devoted to higher spin curves within the universal Picard scheme. Two new different constructions, both using line bundles on nodal curves as boundary points, are carried out and compared with pre-existing ones.
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Additional Information:
Lucia
Caporaso
Affiliation:
Dipartimento di Matematica, Università Roma Tre, Largo S. L. Murialdo, 1, 00146 Roma, Italy
Email:
caporaso@mat.uniroma3.it
Cinzia
Casagrande
Affiliation:
Dipartimento di Matematica ``L. Tonelli'', Università di Pisa, Largo B. Pontecorvo, 5, 56127 Pisa, Italy
Email:
casagrande@dm.unipi.it
Maurizio
Cornalba
Affiliation:
Dipartimento di Matematica ``F. Casorati'', Università di Pavia, Via Ferrata, 1, 27100 Pavia, Italy
Email:
maurizio.cornalba@unipv.it
DOI:
10.1090/S0002-9947-07-04087-1
PII:
S 0002-9947(07)04087-1
Received by editor(s):
April 12, 2005
Received by editor(s) in revised form:
May 25, 2005
Posted:
March 7, 2007
Copyright of article:
Copyright
2007,
American Mathematical Society
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