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Erratum to: “An approximation algorithm for the $k$-level stochastic facility location problem”. (English)
Oper. Res. Lett. 39, No. 2, 160-161 (2011).
Summary: The algorithm proposed by the authors in [Oper. Res. Lett. 38, No. 5, 386‒389 (2010; Zbl 1202.90178)] does not achieve an approximation guarantee of 3 as claimed in Theorem 3.2. A slightly modified algorithm is proposed that achieves an approximation guarantee of 4.
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