Polarized surfaces with hyperelliptic sections

Aldo Biancofiore, Maria Lucia Fania and Antonio Lanteri

Vol. 143 (1990), No. 1, 9–24

DOI: 10.2140/pjm.1990.143.9

Abstract

Using an argument by Castelnuovo we classify surfaces X with an ample and spanned line bundle L whose hyperelliptic locus is large enough.

Mathematical Subject Classification 2000

Primary: 14J25

Secondary: 14C20, 14J60

Milestones

Received: 14 June 1988

Revised: 25 October 1988

Published: 1 May 1990