In 1985 Xiao Gang proved that the bicanonical surface of a complex surface S of general type with p2(S) > 2 is not composed of a pencil. In this note a new proof of this theorem is presented.
@article{urn:eudml:doc:44327,
title = {A note on a theorem of Xiao Gang.},
journal = {Collectanea Mathematica},
volume = {55},
year = {2004},
pages = {33-36},
zbl = {1073.14056},
mrnumber = {MR2028179},
language = {en},
url = {http://dml.mathdoc.fr/item/urn:eudml:doc:44327}
}
Mendes Lopes, Margarita. A note on a theorem of Xiao Gang.. Collectanea Mathematica, Tome 55 (2004) pp. 33-36. http://gdmltest.u-ga.fr/item/urn:eudml:doc:44327/