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A Connection between the Star Problem and the Finite Power Property in Trace Monoids (Extended Abstract)

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Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 1644))

Abstract

This paper deals with a connection between the star problem and the finite power problem in trace monoids. Both problems are decidable in trace monoids without C4 submonoid [21] but remain open in all other trace monoids.

We show a connection between these problems. Assume two disjoint trace monoids IM(Γ,IΓ) and IM(Δ,IΔ. Assume further a recognizable language L L⊆ IM(Δ,IΔ)×IM(Δ,IΔ) such that every trace in L contain at least one letter in Γ and at least one letter in Δ. Our main theorem asserts that L* is recognizable iff L has the finite power property.

This work has been supported by the postgraduate program “Specification of discrete processes by operational models and logics” of the German Research Community (Deutsche Forschungsgemeinschaft).

See orchid.inf.tu-dresden.de/gdp/publikation.html for full papers [12,13].

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Kirsten, D. (1999). A Connection between the Star Problem and the Finite Power Property in Trace Monoids (Extended Abstract). In: Wiedermann, J., van Emde Boas, P., Nielsen, M. (eds) Automata, Languages and Programming. Lecture Notes in Computer Science, vol 1644. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-48523-6_44

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  • DOI: https://doi.org/10.1007/3-540-48523-6_44

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