@InProceedings{wild_et_al:LIPIcs.CONCUR.2020.27, author = {Wild, Paul and Schr\"{o}der, Lutz}, title = {{Characteristic Logics for Behavioural Metrics via Fuzzy Lax Extensions}}, booktitle = {31st International Conference on Concurrency Theory (CONCUR 2020)}, pages = {27:1--27:23}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-160-3}, ISSN = {1868-8969}, year = {2020}, volume = {171}, editor = {Konnov, Igor and Kov\'{a}cs, Laura}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CONCUR.2020.27}, URN = {urn:nbn:de:0030-drops-128394}, doi = {10.4230/LIPIcs.CONCUR.2020.27}, annote = {Keywords: Modal logic, behavioural distance, coalgebra, bisimulation, lax extension} }