Kelly's combinatorial lemma is a basic tool in the study of Ulam's reconstruction conjecture. A generalization in terms of a family of t-elements subsets of a v-element set was given by Pouzet. We consider a version of this generalization modulo a prime p. We give illustrations to graphs and tournaments.
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Univ West Bohemia, Ctr Excellence NTIS New Technol Informat Soc, Plzen, Czech Republic
Univ West Bohemia, European Ctr Excellence NTIS New Technol Informat, Plzen, Czech RepublicUniv West Bohemia, Ctr Excellence NTIS New Technol Informat Soc, Plzen, Czech Republic
Kaiser, Tomas
Stehlik, Matej
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Univ Paris Cite, CNRS, IRIF, F-75006 Paris, FranceUniv West Bohemia, Ctr Excellence NTIS New Technol Informat Soc, Plzen, Czech Republic
Stehlik, Matej
Skrekovski, Riste
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Univ Ljubljana, Fac Math & Phys, Ljubljana 1000, Slovenia
Fac Informat Studies, Novo Mesto 8000, SloveniaUniv West Bohemia, Ctr Excellence NTIS New Technol Informat Soc, Plzen, Czech Republic