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Browsing by Author "Horváth, Gábor"
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The Maximal Subgroups and the Complexity of the Flow Semigroup of Finite (Di)graphs
Horváth, Gábor; Nehaniv, Chrystopher; Podoski, Károly (2017-11-30)The flow semigroup, introduced by John Rhodes, is an invariant for digraphs and a complete invariant for graphs. We refine and prove Rhodes's conjecture on the structure of the maximal groups in the flow semigroup for ...