| Some Combinatorial Identities on Lattice-Point Poset |
| Received:September 19, 1995 |
| Key Words:
poset identity convolution.
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| Fund Project:Supported by the NSF of China. |
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| Abstract: |
| This paper is devoted to the counting of j-chains of lattice-point poset. The incidence function and two basic enumerators associated with it are introduced and evaluated. Our results contain a lot of combinatorial sums. |
| Citation: |
| DOI:10.3770/j.issn:1000-341X.1998.01.007 |
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