@InProceedings{ani_et_al:LIPIcs.FUN.2021.3,
author = {Ani, Joshua and Bosboom, Jeffrey and Demaine, Erik D. and Diomidov, Yenhenii and Hendrickson, Dylan and Lynch, Jayson},
title = {{Walking Through Doors Is Hard, Even Without Staircases: Proving PSPACE-Hardness via Planar Assemblies of Door Gadgets}},
booktitle = {10th International Conference on Fun with Algorithms (FUN 2021)},
pages = {3:1--3:23},
series = {Leibniz International Proceedings in Informatics (LIPIcs)},
ISBN = {978-3-95977-145-0},
ISSN = {1868-8969},
year = {2020},
volume = {157},
editor = {Farach-Colton, Martin and Prencipe, Giuseppe and Uehara, Ryuhei},
publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
address = {Dagstuhl, Germany},
URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.FUN.2021.3},
URN = {urn:nbn:de:0030-drops-127642},
doi = {10.4230/LIPIcs.FUN.2021.3},
annote = {Keywords: gadgets, motion planning, hardness of games}
}