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Article Dans Une Revue Electronic Notes in Theoretical Computer Science Année : 2008

Cyclic extensions of order varieties

Résumé

We study complexity problems involving three sorts of combinational structures: cyclic orders, order varieties and cycles. It is known that the problem of telling whether a cyclic order is included in some cycle is NP-complete. We show that the same question for order varieties, a special class of cyclic orders, is in L. For this, we relate the entropy relation between partial orders to the forcing relation of graph theory.
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hal-00692088 , version 1 (27-04-2012)

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Pierre Ille, Paul Ruet. Cyclic extensions of order varieties. Electronic Notes in Theoretical Computer Science, 2008, 212, pp.119-132. ⟨10.1016/j.entcs.2008.04.057⟩. ⟨hal-00692088⟩
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