Volume 48, Number 2, April-June 2014Isco 2012, guest editors Nelson Maculan, A. Ridha Mahjoub, Eduardo Uchoa
|Page(s)||153 - 165|
|Published online||07 March 2014|
A polyhedral study of a two level facility location model∗
1 CNRS, LIMOS, and Université Blaise
Pascal, Complexe scientifique des Cézeaux, 63173
2 IBM T. J. Watson research Center, Yorktown Heights, NY 10589, USA.
Accepted: 28 November 2013
We study an uncapacitated facility location model where customers are served by facilities of level one, then each level one facility that is opened must be assigned to an opened facility of level two. We identify a polynomially solvable case, and study some valid inequalities and facets of the associated polytope.
Mathematics Subject Classification: 05C85 / 90C27
Key words: Uncapacitated facility location problem / two level facility location
© EDP Sciences, ROADEF, SMAI, 2014
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