Resumen de A note on a theorem of Xiao Gang
In 1985 Xiao Gang proved that the bicanonical system of a complex surface S of general type with $p2(S) > 2$ is not composed of a pencil ([8]). In this note a new proof of this theorem is presented.
In 1985 Xiao Gang proved that the bicanonical system of a complex surface S of general type with $p2(S) > 2$ is not composed of a pencil ([8]). In this note a new proof of this theorem is presented.
