Combinatorial identities by way of Wilf's multigraph model

Theresa L. Friedman and Paul Klingsberg

International Journal of Mathematics and Mathematical Sciences, 2006, vol. 2006, 1-10

Abstract:

For many families of combinatorial objects, a construction of Wilf (1977) allows the members of the family to be viewed as paths in a directed multigraph. Introducing a partition of these paths generates a number of known, but hitherto disparate, combinatorial identities. We include several examples.

Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:096327

DOI: 10.1155/IJMMS/2006/96327

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