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On the complexity of partial order properties
Felsner, Stefan ;  Wagner, Dorothea ;  Universität <Berlin, Freie Universität> / Fachbereich Mathematik und Informatik

Main titleOn the complexity of partial order properties
AuthorFelsner, Stefan
AuthorWagner, Dorothea
InstitutionUniversität <Berlin, Freie Universität> / Fachbereich Mathematik und Informatik
No. of Pages13 S.
Series [Freie Universität Berlin, Fachbereich Mathematik und Informatik : Ser. B, Informatik ; 1999,19]
Classification (DDC)510 Mathematics
AbstractThe recognition complexity of ordered set properties is considered, i.e. how many questions have to be asked to decide if an unknown ordered set has a prescribed property. We prove a lower bound of Ω (n²) for properties that are characterized by forbidden substructures of fixed size. For the properties being connected, and having exactly k comparable paris we show that the recogintion complexity is (n:2); the complexity of interval orders is exactly (n:2) -1. Non-trivial upper bounds are given for being a lattice, containing a chain of length k ≥ 2 and having width k.
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FU DepartmentDepartment of Mathematics and Computer Science
Other affiliation(s)Institut für Informatik
Year of publication1999
Type of documentMaps
LanguageEnglish
Terms of use/Rights Nutzungsbedingungen
Created at2009-10-22 : 12:18:56
Last changed2014-01-23 : 04:21:35
 
Static URLhttp://edocs.fu-berlin.de/docs/receive/FUDOCS_document_000000004025
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