[isabelle] New AFP entry: Executable Transitive Closures of Finite Relations

Executable Transitive Closures of Finite Relations
Christian Sternagel and René Thiemann

We provide a generic work-list algorithm to compute the transitive closure of finite relations where only successors of newly detected states are generated. This algorithm is then instantiated for lists over arbitrary carriers and red black trees (which are faster but require a linear order on the carrier), respectively. Our formalization was performed as part of the IsaFoR/CeTA project where reflexive transitive closures of large tree automata have to be computed.


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