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79
Voted
DM
2006
15 years 25 days ago
2006
Let 1 s1 < s2 <
68
Voted
DM
2006
15 years 25 days 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 ...
78
Voted
DM
2006
15 years 25 days 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...
67
Voted
DM
2007
15 years 24 days 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
82
Voted
DM
2000
15 years 19 days ago
2000
We determine the order of growth of the worst-case number of perfect subgraphs needed to cover an n-vertex graph.