@InProceedings{zhang:LIPIcs.ITP.2023.35, author = {Zhang, Jujian}, title = {{Formalising the Proj Construction in Lean}}, booktitle = {14th International Conference on Interactive Theorem Proving (ITP 2023)}, pages = {35:1--35:17}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-284-6}, ISSN = {1868-8969}, year = {2023}, volume = {268}, editor = {Naumowicz, Adam and Thiemann, Ren\'{e}}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ITP.2023.35}, URN = {urn:nbn:de:0030-drops-184105}, doi = {10.4230/LIPIcs.ITP.2023.35}, annote = {Keywords: Lean, formalisation, algebraic geometry, scheme, Proj construction, projective geometry} }