On surface braids of index four with at most two crossings

@article{TeruoNagase2005,
abstract = {Let Γ be a 4-chart with at most two crossings. We show that if the closure of the surface braid obtained from Γ is one 2-sphere, then the sphere is a ribbon surface.},
author = {Teruo Nagase, Akiko Shima},
journal = {Fundamenta Mathematicae},
keywords = {surface braid; knotted surfaces},
language = {eng},
number = {1},
pages = {167-193},
title = {On surface braids of index four with at most two crossings},
url = {http://eudml.org/doc/283220},
volume = {188},
year = {2005},
}

TY - JOUR
AU - Teruo Nagase
AU - Akiko Shima
TI - On surface braids of index four with at most two crossings
JO - Fundamenta Mathematicae
PY - 2005
VL - 188
IS - 1
SP - 167
EP - 193
AB - Let Γ be a 4-chart with at most two crossings. We show that if the closure of the surface braid obtained from Γ is one 2-sphere, then the sphere is a ribbon surface.
LA - eng
KW - surface braid; knotted surfaces
UR - http://eudml.org/doc/283220
ER -