@InProceedings{bessy_et_al:LIPIcs.IPEC.2019.2,
author = {Bessy, St\'{e}phane and Bougeret, Marin and Carneiro, Alan D. A. and Protti, F\'{a}bio and Souza, U\'{e}verton S.},
title = {{Width Parameterizations for Knot-Free Vertex Deletion on Digraphs}},
booktitle = {14th International Symposium on Parameterized and Exact Computation (IPEC 2019)},
pages = {2:1--2:16},
series = {Leibniz International Proceedings in Informatics (LIPIcs)},
ISBN = {978-3-95977-129-0},
ISSN = {1868-8969},
year = {2019},
volume = {148},
editor = {Jansen, Bart M. P. and Telle, Jan Arne},
publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
address = {Dagstuhl, Germany},
URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.IPEC.2019.2},
URN = {urn:nbn:de:0030-drops-114631},
doi = {10.4230/LIPIcs.IPEC.2019.2},
annote = {Keywords: Knot, deadlock, width measure, FPT, W\lbrack1\rbrack-hard, directed feedback vertex set}
}