@InProceedings{fernau_et_al:LIPIcs.STACS.2015.302, author = {Fernau, Henning and Manea, Florin and Mercas, Robert and Schmid, Markus L.}, title = {{Pattern Matching with Variables: Fast Algorithms and New Hardness Results}}, booktitle = {32nd International Symposium on Theoretical Aspects of Computer Science (STACS 2015)}, pages = {302--315}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-939897-78-1}, ISSN = {1868-8969}, year = {2015}, volume = {30}, editor = {Mayr, Ernst W. and Ollinger, Nicolas}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.STACS.2015.302}, URN = {urn:nbn:de:0030-drops-49220}, doi = {10.4230/LIPIcs.STACS.2015.302}, annote = {Keywords: combinatorial pattern matching, combinatorics on words, patterns with variables, \$\{cal NP\}\$-complete string problems} }