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A note on the hardness of Skolem-type sequences
Linköping University, Department of Computer and Information Science, TCSLAB - Theoretical Computer Science Laboratory. Linköping University, The Institute of Technology.
2010 (English)In: DISCRETE APPLIED MATHEMATICS, ISSN 0166-218X, Vol. 158, no 8, 964-966 p.Article in journal (Refereed) Published
Abstract [en]

The purpose of this note is to give upper bounds (assuming P different from NP) on how far the generalizations of Skolem sequences can be taken while still hoping to resolve the existence question. We prove that the existence questions for both multi-Skolem sequences and generalized Skolem sequences are strongly NP-complete. These results are significant strengthenings and simplifications of the recent NP-completeness result for generalized multi-Skolem sequences.

Place, publisher, year, edition, pages
Elsevier Science B.V., Amsterdam. , 2010. Vol. 158, no 8, 964-966 p.
Keyword [en]
Skolem sequence, NP-completeness, Coupled task scheduling
National Category
Computer Science
Identifiers
URN: urn:nbn:se:liu:diva-56302DOI: 10.1016/j.dam.2010.01.006ISI: 000276941800010OAI: oai:DiVA.org:liu-56302DiVA: diva2:318303
Available from: 2010-05-07 Created: 2010-05-07 Last updated: 2010-12-29

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Nordh, Gustav

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