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  • Leroux, Jerome

    2021 IEEE 62nd Annual Symposium on Foundations of Computer Science (FOCS), 2022-Feb.
    Conference Proceeding

    We present a way to lift up the Tower complexity lower bound of the reachability problem for Petri nets to match the Ackermannian upper bound closing a long standing open problem. We also prove that the reachability problem in dimension 17 is not elementary.