@InProceedings{lasota:LIPIcs.STACS.2022.46, author = {Lasota, S{\l}awomir}, title = {{Improved Ackermannian Lower Bound for the Petri Nets Reachability Problem}}, booktitle = {39th International Symposium on Theoretical Aspects of Computer Science (STACS 2022)}, pages = {46:1--46:15}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-222-8}, ISSN = {1868-8969}, year = {2022}, volume = {219}, editor = {Berenbrink, Petra and Monmege, Benjamin}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.STACS.2022.46}, URN = {urn:nbn:de:0030-drops-158561}, doi = {10.4230/LIPIcs.STACS.2022.46}, annote = {Keywords: Petri nets, reachability problem, vector addition systems} }