Une généralisation de l'homologie de Khovanov

Une généralisation automorphe des nombres de Stirling

Let [n] be theset {1,2, *.. , n> and CT a given permutation in S,, the symmetric group on [n]. The (unsigned) Stirling numbers of the first kind enumerate the permutations on En] with k cycles and those of the second kind give the number partitions of [n] having k blocks. In this paper we compute the number of permutations on [n] with k cycles and the number of partitions on [n] having k blocks...

Hiérarchies de généralisation dans les bases de données relationnelles : une approche hybride de rétro-conception

This paper proposes to combine a heuristic technique and an algorithmic one to provide a method to reverse engineer the generalization/specialization links hidden in a relational database. The heuristic phase combines the exploration of three sources: DDL specifications, DML specifications and data to provide information, such as inclusion links and existence constraints. This information is th...

Une généralisation de la notion d'automate et applications

Sur une souche de BRUCELLA d'origine humaine

cordelia de mallet-joris: une etude structurale de la nouvelle

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