Jérôme Leroux, Grégoire Sutre. Reachability in Two-Dimensional Vector Addition Systems with States: One Test Is for Free. In Igor Konnov 0001, Laura Kovács, editors, 31st International Conference on Concurrency Theory, CONCUR 2020, September 1-4, 2020, Vienna, Austria (Virtual Conference). Volume 171 of LIPIcs, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2020. [doi]
Abstract is missing.