Éric Colin de Verdière, Jeff Erickson. Tightening Nonsimple Paths and Cycles on Surfaces. SIAM Journal on Computing, 39(8):3784-3813, 2010. [doi]
@article{VerdiereE10,
title = {Tightening Nonsimple Paths and Cycles on Surfaces},
author = {Éric Colin de Verdière and Jeff Erickson},
year = {2010},
doi = {10.1137/090761653},
url = {http://dx.doi.org/10.1137/090761653},
researchr = {https://researchr.org/publication/VerdiereE10},
cites = {0},
citedby = {0},
journal = {SIAM Journal on Computing},
volume = {39},
number = {8},
pages = {3784-3813},
}