Korean Journal of Mathematics
- Volume 16 Issue 3
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- Pages.425-437
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- 2008
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- 1976-8605(pISSN)
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- 2288-1433(eISSN)
COMBINATORIAL PROOF FOR e-POSITIVITY OF THE POSET OF RANK 1
- Lee, Jaejin (Department of Mathematics Hallym University)
- Received : 2008.09.08
- Published : 2008.09.30
Abstract
Let P be a poset and G = G(P) be the incomparability graph of P. Stanley [7] defined the chromatic symmetric function