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Model Checking Vector Addition Systems with one zero-test

Rémi Bonnet ; Alain FInkel ; Jérôme Leroux ; Marc Zeitoun.

We design a variation of the Karp-Miller algorithm to compute, in a forward manner, a finite representation of the cover (i.e., the downward closure of the reachability set) of a vector addition system with one zero-test. This algorithm yields decision procedures for several problems for these&nbsp;[&hellip;]

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On Separation by Locally Testable and Locally Threshold Testable Languages

Thomas Place ; Lorijn van Rooijen ; Marc Zeitoun.

A separator for two languages is a third language containing the first one and disjoint from the second one. We investigate the following decision problem: given two regular input languages, decide whether there exists a locally testable (resp. a locally threshold testable) separator. In both cases,&nbsp;[&hellip;]

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