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.
By: Mourad Baïou; Francisco Barahona
Published in: RAIRO - Operations Research, volume 48, (no 2), pages 153-165; 10.1051/ro/2014003 in 2014
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