@InProceedings{jayaram_et_al:LIPIcs.ICALP.2017.19, author = {Jayaram, Rajesh and Saha, Barna}, title = {{Approximating Language Edit Distance Beyond Fast Matrix Multiplication: Ultralinear Grammars Are Where Parsing Becomes Hard!}}, booktitle = {44th International Colloquium on Automata, Languages, and Programming (ICALP 2017)}, pages = {19:1--19:15}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-041-5}, ISSN = {1868-8969}, year = {2017}, volume = {80}, editor = {Chatzigiannakis, Ioannis and Indyk, Piotr and Kuhn, Fabian and Muscholl, Anca}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ICALP.2017.19}, URN = {urn:nbn:de:0030-drops-74548}, doi = {10.4230/LIPIcs.ICALP.2017.19}, annote = {Keywords: Approximation, Edit Distance, Dynamic Programming, Context Free Grammar, Hardness} }