Abstract
We give a combinatorial proof that the coefficient of zAB in a certain rational function is a sum of two binomial coefficients.
Original language | English (US) |
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Pages (from-to) | 105-114 |
Number of pages | 10 |
Journal | Discrete Mathematics |
Volume | 83 |
Issue number | 1 |
DOIs | |
State | Published - Jul 1 1990 |
Bibliographical note
Funding Information:School of Mathematics, University of Minnesota, Minneapolis, MN 55455. This work was partially supported by a fellowship from the Sloan Foundation, and by NSF grant DMS:8700995.
Funding Information:
School of Mathematics, University of Minnesota, Minneapolis, MN 55455. This work was partially supported by NSF grant DMS:8501332.