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K-permutivity

  • Coding And Combinatorics
  • Conference paper
  • First Online:
Coding Theory and Applications (Coding Theory 1986)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 311))

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Résumé

On dit qu'un tableau T de n colonnes est k-permutif si et seulement si pour tout k-uplet de colonnes {i1, .., ik}, le sous tableau extrait de T, constitué par ces colonnes contient en lignes toutes les permutations de {i1, .. ik} . Pour n et k fixés, on va encadrer le nombre p(n,k) de lignes d'un tel tableau. On obtient:

A k–1n ⩽ p(n,k) ⩽ A k–1n · dk+1 / k! ou A kn est le nombre d'injections d'un ensemble de cardinal p dans un ensemble de cardinal n, et dk+1 le nombre de permutations d'un ensemble de k+1 élèments, sans point fixe.

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References

  1. BARANYAI "On the factorisation of the complete uniform hypergraph" Bolyai J.Mat. Tarsulat, Budapest & North Holland, 1975 p:91–108.

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  2. CHANDRA-KOU-MARKOWSKY-ZAKS "On sets of Boolean n-vectors with all k-projections surjective" IBM Research Report 7/17/81.

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  3. KOMLOS, GREENBERG "A fast non-adaptative algorithm for conflict resolution in multiple access chanels", Mathematics and statistics Research Center, AT & T Bell Laboratories, NJ 07974 (84)

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  4. SLATER "How few n-permutations contain all possible k-permutations?", Journal of Combinatorial theory, Series A 26, 201, 1979.

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  5. ROUX " k-propriétés dans des tableaux de n colonnes" Thèse d'Université, PARIS 6, (mars 1987).

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G. Cohen P. Godlewski

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© 1988 Springer-Verlag Berlin Heidelberg

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Roux, G. (1988). K-permutivity. In: Cohen, G., Godlewski, P. (eds) Coding Theory and Applications. Coding Theory 1986. Lecture Notes in Computer Science, vol 311. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-19368-5_3

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  • DOI: https://doi.org/10.1007/3-540-19368-5_3

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-19368-5

  • Online ISBN: 978-3-540-39243-9

  • eBook Packages: Springer Book Archive

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