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95
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DM
2006
15 years 4 months ago
2006
A general theorem for providing a class of combinatorial identities where the sum is over all the partitions of a positive integer is proven. Five examples as the applications of ...
104
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DM
2006
15 years 4 months ago
2006
We will present some properties of the direct limit of a direct system of multialgebras in a subcategory of the category of multialgebras obtained by considering as morphisms the i...
DM
2007
15 years 4 months ago
2007
Recently, Sloane and Sellers solved a certain box stacking problem related to non– squashing partitions. These are defined as partitions n = p1 + p2 + · · · + pk with
105
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DM
2000
15 years 3 months ago
2000
We determine the order of growth of the worst-case number of perfect subgraphs needed to cover an n-vertex graph.