On the topological index of irregular surfaces-Reference-Cited by-同舟云学术

On the topological index of irregular surfaces

Published:2006-12-26 Issue:3 Volume:16 Page:435-458
ISSN:1056-3911
Container-title:Journal of Algebraic Geometry
language:en
Short-container-title:J. Algebraic Geom.

Author:

Barja M.,Naranjo J.,Pirola G.

Abstract

We study the topological index of some irregular surfaces that we call generalized Lagrangian. We show that under certain hypotheses on the base locus of the Lagrangian system the topological index is non-negative. For the minimal surfaces of general type with q = 4 q=4 and p g = 5 p_g=5 we prove the same statement without any hypothesis.

Publisher

American Mathematical Society (AMS)

Subject

Geometry and Topology,Algebra and Number Theory

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