@InProceedings{fujita_et_al:LIPIcs.RTA.2010.103, author = {Fujita, Ken-Etsu and Schubert, Aleksy}, title = {{The Undecidability of Type Related Problems in Type-free Style System F}}, booktitle = {Proceedings of the 21st International Conference on Rewriting Techniques and Applications}, pages = {103--118}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-939897-18-7}, ISSN = {1868-8969}, year = {2010}, volume = {6}, editor = {Lynch, Christopher}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.RTA.2010.103}, URN = {urn:nbn:de:0030-drops-26475}, doi = {10.4230/LIPIcs.RTA.2010.103}, annote = {Keywords: Lambda calculus and related systems, type checking, typability, partial type inference, 2nd order unification, undecidability, Curry style type system} }