Conforti, Michele, Cornuéjols, Gérard and Zambelli, Giacomo (2004) Bicolorings and equitable bicolorings of matrices. In: Grötschel, Martin , (ed.) The sharpest cut : the impact of Manfred Padberg and his work. MPS-SIAM series on optimization . Society for Industrial and Applied Mathematics, Philadelphia, USA, pp. 33-37. ISBN 9780898715521
Abstract
Two classical theorems of Ghouila-Houri and Berge characterize total unimodularity and balancedness in terms of equitable bicolorings and bicolorings, respectively. In this paper, we prove a bicoloring result that provides a common generalization of these two theorems.
| Item Type: | Book Section |
|---|---|
| Official URL: | http://www.ec-securehost.com/cgi-bin/SIAM/search.c... |
| Additional Information: | © 2004 Society for Industrial and Applied Mathematics |
| Library of Congress subject classification: | Q Science > QA Mathematics |
| Sets: | Departments > Management |
| Rights: | http://www.lse.ac.uk/library/rights/LSERO.htm |
| URL: | http://eprints.lse.ac.uk/31727/ |
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