@InProceedings{dillies_et_al:LIPIcs.ITP.2022.9, author = {Dillies, Ya\"{e}l and Mehta, Bhavik}, title = {{Formalising Szemer\'{e}di’s Regularity Lemma in Lean}}, booktitle = {13th International Conference on Interactive Theorem Proving (ITP 2022)}, pages = {9:1--9:19}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-252-5}, ISSN = {1868-8969}, year = {2022}, volume = {237}, editor = {Andronick, June and de Moura, Leonardo}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ITP.2022.9}, URN = {urn:nbn:de:0030-drops-167185}, doi = {10.4230/LIPIcs.ITP.2022.9}, annote = {Keywords: Lean, formalisation, formal proof, graph theory, combinatorics, additive combinatorics, Szemer\'{e}di’s Regularity Lemma, Roth’s Theorem} }