@InProceedings{goncharov_et_al:LIPIcs.STACS.2025.40, author = {Goncharov, Sergey and Hofmann, Dirk and Nora, Pedro and Schr\"{o}der, Lutz and Wild, Paul}, title = {{Identity-Preserving Lax Extensions and Where to Find Them}}, booktitle = {42nd International Symposium on Theoretical Aspects of Computer Science (STACS 2025)}, pages = {40:1--40:20}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-365-2}, ISSN = {1868-8969}, year = {2025}, volume = {327}, editor = {Beyersdorff, Olaf and Pilipczuk, Micha{\l} and Pimentel, Elaine and Thắng, Nguy\~{ê}n Kim}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.STACS.2025.40}, URN = {urn:nbn:de:0030-drops-228665}, doi = {10.4230/LIPIcs.STACS.2025.40}, annote = {Keywords: (Bi-)simulations, lax extensions, modal logics, coalgebra} }