JournalsjemsVol. 11, No. 6pp. 1385–1427

Geometry of the theta divisor of a compactified jacobian

  • Lucia Caporaso

    Università degli studi Roma Tre, Italy
Geometry of the theta divisor of a compactified jacobian cover
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Abstract

The object of this paper is the theta divisor of the compactified jacobian of a nodal curve. We determine its irreducible components and give it a geometric interpretation. A characterization of hyperelliptic irreducible stable curves is appended as an application.

Cite this article

Lucia Caporaso, Geometry of the theta divisor of a compactified jacobian. J. Eur. Math. Soc. 11 (2009), no. 6, pp. 1385–1427

DOI 10.4171/JEMS/185