Brightwell, Graham and Trotter, William T. (2002) A combinatorial approach to correlation inequalities. Discrete Mathematics, 257 (2-3). pp. 311-327. ISSN 0012-365X
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Identification Number: 10.1016/S0012-365X(02)00432-6
Abstract
In this paper, we initiate a combinatorial approach to proving correlation inequalities for finite partially ordered sets. A new proof is provided for the strong form of the XYZ theorem, due to Fishburn. We also use our method to give a new proof of a related correlation result of Shepp involving two sets of relations. Our arguments are entirely combinatorial in the sense that they do not make use of the Ahlswede/Daykin theorem or any of its relatives.
| Item Type: | Article |
|---|---|
| Official URL: | http://www.elsevier.com/wps/find/journaldescriptio... |
| Additional Information: | © 2002 Elsevier |
| Divisions: | Mathematics |
| Subjects: | Q Science > QA Mathematics |
| Date Deposited: | 17 Oct 2008 09:47 |
| Last Modified: | 11 Dec 2024 22:29 |
| URI: | http://eprints.lse.ac.uk/id/eprint/18179 |
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