@InProceedings{nakano:LIPIcs.MFCS.2021.79, author = {Nakano, Keisuke}, title = {{Idempotent Turing Machines}}, booktitle = {46th International Symposium on Mathematical Foundations of Computer Science (MFCS 2021)}, pages = {79:1--79:18}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-201-3}, ISSN = {1868-8969}, year = {2021}, volume = {202}, editor = {Bonchi, Filippo and Puglisi, Simon J.}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.MFCS.2021.79}, URN = {urn:nbn:de:0030-drops-145191}, doi = {10.4230/LIPIcs.MFCS.2021.79}, annote = {Keywords: Turing machines, Idempotent functions, Computable functions, Computation model} }