Establishes L membership for identity acceptors, all F in commutative monoids, and L(R)-commutative UoG monoids, plus NL-completeness dichotomies for BA2 and U, using product graphs and Green's relations.
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On the Reachability Problem on Monoid-Labelled Undirected Graphs
Establishes L membership for identity acceptors, all F in commutative monoids, and L(R)-commutative UoG monoids, plus NL-completeness dichotomies for BA2 and U, using product graphs and Green's relations.