@InProceedings{filakovsky_et_al:LIPIcs.STACS.2024.34, author = {Filakovsk\'{y}, Marek and Nakajima, Tamio-Vesa and Opr\v{s}al, Jakub and Tasinato, Gianluca and Wagner, Uli}, title = {{Hardness of Linearly Ordered 4-Colouring of 3-Colourable 3-Uniform Hypergraphs}}, booktitle = {41st International Symposium on Theoretical Aspects of Computer Science (STACS 2024)}, pages = {34:1--34:19}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-311-9}, ISSN = {1868-8969}, year = {2024}, volume = {289}, editor = {Beyersdorff, Olaf and Kant\'{e}, Mamadou Moustapha and Kupferman, Orna and Lokshtanov, Daniel}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.STACS.2024.34}, URN = {urn:nbn:de:0030-drops-197445}, doi = {10.4230/LIPIcs.STACS.2024.34}, annote = {Keywords: constraint satisfaction problem, hypergraph colouring, promise problem, topological methods} }